How many grams are in .093 liters of O2 gas at STP?

Answers

Answer 1

There are 1.313 grams in .093 liters of O₂ gas at STP.

First, we need to determine the number of moles present in 0.093 liters of O₂ gas. This can be done using the ideal gas law equation which is PV = nRT where P is the pressure, V is the volume, n is the number of moles, R is the ideal gas constant and T is the temperature.

We know that at STP, the temperature is 273K, the pressure is 1 atm and R = 0.0821 L atm/mol K. Therefore, n = (PV)/(RT) = (1 atm x 0.093 L)/(0.0821 L atm/mol K x 273 K) = 0.00346 mol. Next, we can find the mass of 0.00346 moles of O₂ using the molar mass of O₂ which is 32 g/mol. Therefore, mass = moles x molar mass = 0.00346 mol x 32 g/mol = 0.1107 g or 1.313 grams rounded to three significant figures.

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Related Questions

help i will mark brainliest

help i will mark brainliest

Answers

ANSWER:
D. A gas has a changeable shape and has the same volume in any container.

Hope it helps u!

in general, what happens during an oxidation-reduction reaction between two molecules?

Answers

Answer:

the atom of the oxidized molecule donates an electron to the reduced molecule that attracts the electrons

During an oxidation-reduction reaction, electrons are transferred between two molecules. The molecule that loses electrons is oxidized, while the molecule that gains electrons is reduced.

Oxidation-reduction reactions involve a transfer of electrons from one molecule to another. The molecule that loses electrons becomes oxidized because it has lost electrons, while the molecule that gains electrons becomes reduced because it has gained electrons. This transfer of electrons is typically facilitated by the presence of a catalyst or an electron acceptor, such as oxygen or a metal ion.

Thus, during an oxidation-reduction reaction, electrons are transferred between two molecules, leading to the oxidation of one molecule and the reduction of the other. This process is essential for many biological and chemical reactions, including cellular respiration and the combustion of fuels.

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The drummer is the best performer. What is the noun in this sentence

Answers

Answer:

Performer if not I say drummer

let me know the answer!

Explanation:

drummer is the noun because a noun is a person place thing or idea

Which of the substances have a standard enthalpy of formation (NHf∘) equal to zero?a. C (diamond).b.F2(g).c.NH3(g).d. Hg (l).

Answers

Standard enthalpy of production for an isotope in its mean position is 0 by definition. F2(g) F 2 (g) as well as Hg(l) H g (l) are in their fixed positions among the chemicals listed.

What is meant by enthalpy?

Enthalpy is a property or condition function that mimics energy; it has the same dimensions as power generation and is thus quantified in kilowatt hours or ergs. The value of hysteresis is solely dependent on the temperature. pressure, and makeup of the system, not on the history.

What is an illustration of enthalpy?

The total energy content of such a body the with constant is equal to this enthalpy. You must realize that while energy may take different forms, enthalpy rarely changes.

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Part of ecosystem Contains energy storage molecules? (yes or no) Energy storage molecules flowing in? (yes or no) Energy storage molecules flowing out? (yes or no)
Producers
yes
no
yes
Consumers
yes
yes
yes
Decomposers
yes
yes
yes
Dead matter
yes
yes
yes
Abiotic matter

Answers

Part of ecosystem | Contains energy storage molecules? (yes or no) | Energy storage molecules flowing in? (yes or no) | Energy storage molecules flowing out? (yes or no)

Producers | Yes | No | Yes

Consumers | Yes | Yes | Yes

Decomposers | Yes | Yes | Yes

Dead matter | Yes | Yes | Yes

Abiotic matter | No | No | No

In an ecosystem, different components play different roles in terms of energy storage and flow.

Producers, such as plants, have the ability to produce energy-rich molecules through photosynthesis, storing energy in the form of carbohydrates. They do not rely on external sources of energy storage molecules, but they release energy storage molecules into the ecosystem when consumed or when they undergo decomposition.

Consumers, including herbivores, carnivores, and omnivores, obtain energy storage molecules by consuming producers or other consumers. They receive energy-rich molecules flowing into their systems through their diet and release energy storage molecules when they respire or excrete waste.

Decomposers break down organic matter, including dead plants and animals, into simpler substances and release energy storage molecules in the process. They receive energy storage molecules flowing into their systems from the breakdown of organic matter and release energy storage molecules back into the ecosystem.

Dead matter, which refers to organic material that is no longer living, contains energy storage molecules. When dead matter decomposes, the stored energy is released into the ecosystem.

Abiotic matter, which includes non-living components like minerals and gases, does not contain energy storage molecules and does not participate in the flow of energy storage molecules within the ecosystem.

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identify the most important types of interparticle forces present in each of the following substances (in solid form): ar, hcl, baso4, h2o, nano3, p4, csi, c2h6, co2,seo2

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The most important types of interparticle forces present in each of the following substances (in solid form) are as follows: Ar (argon): The interparticle forces present in argon are London dispersion forces. These forces arise due to temporary fluctuations in electron distribution, resulting in the creation of temporary dipoles.

2. HCl (hydrogen chloride): The interparticle forces present in HCl are dipole-dipole interactions. HCl is a polar molecule with a positive hydrogen end and a negative chlorine end. The positive end of one molecule attracts the negative end of another molecule, leading to dipole-dipole interactions. 3. BaSO4 (barium sulfate): The interparticle forces present in BaSO4 are ionic bonds. Barium sulfate consists of Ba2+ cations and SO42- anions held together by electrostatic attractions.

4. H2O (water): The interparticle forces present in water are hydrogen bonds. Water is a polar molecule with hydrogen bonding occurring between the hydrogen atom of one water molecule and the oxygen atom of another water molecule. 5. NaNO3 (sodium nitrate): The interparticle forces present in NaNO3 are ionic bonds. Sodium nitrate consists of Na+ cations and NO3- anions held together by electrostatic attractions.

6. P4 (phosphorus): The interparticle forces present in phosphorus are covalent bonds. Phosphorus forms P4 molecules through covalent bonding, where atoms share electrons7. CsI (cesium iodide): The interparticle forces present in CsI are ionic bonds. Cesium iodide consists of Cs+ cations and I- anions held together by electrostatic attractions. 8. C2H6 (ethane): The interparticle forces present in ethane are London dispersion forces. Ethane is a nonpolar molecule, and the temporary fluctuations in electron distribution result in temporary dipoles.

9. CO2 (carbon dioxide): The interparticle forces present in CO2 are London dispersion forces. Carbon dioxide is a nonpolar molecule, and the temporary fluctuations in electron distribution result in temporary dipoles. 10. SeO2 (selenium dioxide): The interparticle forces present in SeO2 are dipole-dipole interactions. Selenium dioxide is a polar molecule, and the positive end of one molecule attracts the negative end of another molecule.

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Calculate the minimum mass of ammonia needed to produce 396 kg of ammonium sulfate, (NH4)2SO4, and excess sulfuric acid.

2NH3 + H2SO4 → (NH4)2SO4

Answers

Answer:

2N2H2SO4

Explanation:

this is your answer calculate

What mitigation measures can communities do to reduce the damage and impact of sudden geologic hazards?

Answers

Explanation:

require an emergency support immediately

Which of the following concerning Coulomb's law is/are correct? 1. i The energy of an ionic bond is proportional to the size of the ion charges. The energy of an ionic bond is inversely proportional to the distance between the charges. The size of an ion is not important in determining the energy of an ionic bond. w O A. 1 only O B. 2 only OC. 3 only O D. 1 and 2 E. 1, 2, and 3 Based on Coulombic forces, which would you expect to have the strongest ionic bond? OKCI Mgo O MgF2 O Naci O NaBr

Answers

The correct option is E. 1, 2, and 3.As for the strongest ionic bond, MgF2 would be expected to have the strongest bond because both Mg and F ions have high charges (+2 and -1, respectively), resulting in a larger product of charges compared to the other options.

1. The energy of an ionic bond is proportional to the size of the ion charges: According to Coulomb's law, the attractive force between two charged particles is directly proportional to the product of their charges. Therefore, larger ion charges will result in a stronger attractive force and higher energy in an ionic bond.

2. The energy of an ionic bond is inversely proportional to the distance between the charges: Coulomb's law states that the attractive force between two charged particles is inversely proportional to the square of the distance between them. As the distance decreases, the attractive force increases, leading to a stronger ionic bond with higher energy.

3. The size of an ion is not important in determining the energy of an ionic bond: This statement is incorrect. The size of an ion does play a role in determining the energy of an ionic bond. Larger ions generally have a higher charge density, which increases the attractive force and energy of the bond.

The energy of an ionic bond depends on the size of the ion charges and the distance between the charges, as stated by Coulomb's law. Therefore, options 1, 2, and 3 are all correct.

As for the strongest ionic bond, MgF2 would be expected to have the strongest bond because both Mg and F ions have high charges (+2 and -1, respectively), resulting in a larger product of charges compared to the other options. Additionally, the small size of F ions would lead to a shorter distance between the charges, further increasing the strength of the bond.

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Which statement best describes the role of the respiratory system?
5 points
O collects waste produced by cells and removes it from the body
it breaks down food, absorbs nutrients, and gets rid of solid waste
brings oxygen into the lungs and releases carbon dioxide and water (waste materials)
from the body.
the body's transportation system

Answers

Answer:

Brings oxygen into the lungs and releases carbon dioxide and water ( waste materials) from the body ...

is Answer of your question.

Thank you ☺️☺️

rare earth elements plz

Answers

Answer:

Rare earth elements are lanthanum, cerium, praseodymium, neodymium, promethium, samarium, europium, gadolinium, terbium, dysprosium, holmium, erbium, thulium, ytterbium, lutetium, scandium, yttrium - that appear in low concentrations in the ground.

Explanation:

The rare earth elements (REE) are a set of seventeen metallic elements. These include the fifteen lanthanides on the periodic table plus scandium and yttrium. Rare earth elements are an essential part of many high-tech devices.

in the procedure, you are asked to add a few drops of concentrated sulfuric acid in case crystallization does not occur. how does this help in getting your product?

Answers

Adding concentrated sulfuric acid to a reaction mixture can aid in crystallization by removing water and lowering solubility, but should be done with caution and under proper safety protocols.

The addition of concentrated sulfuric acid to a reaction mixture can help to facilitate the crystallization of a product by promoting the formation of a solid phase from a liquid solution.

When a solution is cooled, the solubility of most compounds decreases, which can lead to the precipitation of a solid. However, some compounds may still remain in solution even at low temperatures, and this can prevent the formation of crystals.

The addition of concentrated sulfuric acid can aid in the formation of crystals by removing water from the reaction mixture. Sulfuric acid is a strong dehydrating agent and can react with water to form a sulfuric acid hydrate, which is highly concentrated and capable of removing water from the solution. This lowers the solubility of the compound, thereby promoting the formation of crystals.

However, it's important to note that the addition of concentrated sulfuric acid should be done with caution as it can be a highly exothermic reaction and can generate toxic fumes. Therefore, it should only be done under proper laboratory safety protocols and with the guidance of a trained professional.

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what traits or traits did the plants in the F generation exhibit when you think of the traits of the parent plants why is the result surprising.

Answers

The traits that the offspring got were taken from the parents.

How do offspring's get traits?

Offspring get traits from their parents through the process of inheritance. Traits are determined by genes, which are segments of DNA that contain the instructions for building and maintaining an organism's body and traits.

Each parent contributes half of their genes to their offspring through their gametes, which are reproductive cells such as sperm and eggs. When a sperm fertilizes an egg, the resulting zygote has a complete set of genes from both parents.

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a can of cola contains about 39 grams of sucrose, c12h22o11. how many moles of sucrose does this represent?

Answers

Therefore, there are approximately 0.1135 moles of sucrose in a can of cola.

Sucrose, also known as table sugar, has the chemical formula \(C_{12}H_{22}O_{11}\). The molar mass of sucrose can be calculated by adding up the atomic masses of each element in the molecule. Carbon, hydrogen, and oxygen are the main elements in sucrose and each have a unique atomic mass. By multiplying the number of atoms of each element by its atomic mass, we get the total molar mass of the molecule, which is 342.34 g/mol. To find the number of moles of sucrose in a sample, we divide the mass of the sample by its molar mass. In this case, 39 g of sucrose represents 0.1135 moles.

\((12*12.01) + (11.16.00) = 342.34 g/mol\)

So the number of moles of sucrose is:

\(\frac{39}{342.34} = 0.1135\)

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a can of cola contains about 39 grams of sucrose, c12h22o11. how many moles of sucrose does this represent?

The Ostwald process is used commercially to produce nitric acid, which is, in turn, used in many modern chemical processes. In
the first step of the Ostwald process, ammonia is reacted with oxygen gas to produce nitric oxide and water.
What is the maximum mass of H₂O that can be produced by combining 78.3 g of each reactant?
4 NH3(g) + 5O₂(g) → 4 NO(g) + 6H₂O(g)

Answers

This makes the O2 the limiting reactant and the NH3 is present in excess since only 49.3 g of H2O can be produced.

What is Ostwald process?Nitric acid is produced chemically using the Ostwald process. The method was created by Wilhelm Ostwald, who patented it in 1902. The primary raw material for the most popular type of fertilizer manufacturing is provided by the Ostwald process, a mainstay of the contemporary chemical industry. Ammonia is transformed into nitric acid in two phases via the Ostwald process. Nitric oxide and nitrogen dioxide are produced by the oxidation of ammonia in step 1. The generated nitrogen dioxide is then absorbed in water in step 2. Nitric acid is the result of this.

Therefore,

Once more, you must determine which reactant, if any, is limiting since they are giving you the masses of BOTH reactants.

produced from 73.0 g NH3 × 1 mol NH3/17 g × 6 mol H2O/4 mol NH3 × 18 g H2O/mol

Maximum quantity of H2O generated is 49.3 g at 73.0 g O2 × 1 mol O2/32 g × 6 mol H2O/5 mol O2 × 18 g H2O/mol.

This makes the O2 the limiting reactant and the NH3 is present in excess since only 49.3 g of H2O can be produced.

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How many moles are present in 3.4 x 1023 atoms of Na?

Answers

moles of H2SO4

Avogadro's number (6.022 × 1023) is defined as the number of atoms, molecules, or "units of anything" that are in a mole of that thing. So to find the number of moles in 3.4 x 1023 molecules of H2SO4, divide by 6.022 × 1023 molecules/mole and you get 0.5646 moles but there are only 2 sig figs in the given so we need to round to 2 sig figs. There are 0.56 moles in 3.4 x 1023 molecules of H2SO4

Note the way this works is to make sure the units are going to give us moles. To check, we do division of the units just like we were dividing two fractions:

(molecules of H2SO4) = (molecules of H2SO4)/1 and so we have 3.4 x 1023/6.022 × 1023 [(molecules of H2SO4)/1]/[(molecules of H2SO4)/(moles of H2SO4)]. Now, invert the denominator and multiply:

Based on the periodic table, which of the following elements has properties most like neon’s?

A- Boron (B)
B- Hydrogen (H)
C- Fluorine (F)
D- Krypton (Kr)

Answers

Answer:

D. Krypton (Kr)

Explanation:

because

Neon and Krypton, both are belongs to Inert or Noble gas Group

D.krypton (Kr).............

PLEASE ANSWER REALLY QUICK!!

Drag the item from the item bank to its corresponding match.
Put responses in the correct input to answer the question. Select a response, navigate to the desired input and insert the response. Responses can be selected and inserted using the space bar, enter key, left mouse button or touchpad. Responses can also be moved by dragging with a mouse.
This is to observe carefully and in detail so as to identify causes, key factors, or possible results.
This is what people do when they are searching for information. People often look in more than one location.
This is a prediction of the outcome of scientific processes based on analysis.
This is the process of steps taken in completing a task, such as a lab investigation.

PLEASE ANSWER REALLY QUICK!!Drag the item from the item bank to its corresponding match.Put responses
PLEASE ANSWER REALLY QUICK!!Drag the item from the item bank to its corresponding match.Put responses
PLEASE ANSWER REALLY QUICK!!Drag the item from the item bank to its corresponding match.Put responses
PLEASE ANSWER REALLY QUICK!!Drag the item from the item bank to its corresponding match.Put responses
PLEASE ANSWER REALLY QUICK!!Drag the item from the item bank to its corresponding match.Put responses

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We can see here that:

The cloudiest month - AprilThe coldest month - JanuaryThe hottest month - MayWhen the temperature first rose above 90 degrees - February.

We see here that the bar graph will be more understandable if there is: A. Title.

Another thing that can aid in understanding the bar graph is: B. add pictures.

What is bar graph?

Using rectangular bars with heights or lengths proportional to the values they represent, a bar chart or bar graph displays categorical data. Both a vertical and a horizontal bar plot are possible. A column chart is another name for a vertical bar graph.

An appropriate question to guide Sarah's research will be: C. Which fixture uses the most water in our home?

To make this a real experiment, Sarah has to do the following: D. Collect and analyze data before and after the leaks are fixed.

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Calculate the molarity of 75.0 ml. of a solution that is 0.92 % by mass NaCl. Assume the density of the solution is the same as pure water 0.213333 M 7th attempt Feedback The Mackenzie River in northern Canada contains, on average, 0.820 mM Ca2+ 0.430 mM Mg2+ 0.300 mm Na 0.0200 mMK 0.250 mMCI 0.380 mM SO42- and 1.82 mM HCO3 What, on average, is the total mass of these ions in 4.00 L of Mackenzie River water? X 51

Answers

The molarity of 0.92% NaCl in 75.0 ml is 0.158 M, assuming density is the same as water.

To calculate the molarity of a solution that is 0.92% by mass NaCl in 75.0 ml, we need to convert the mass percentage into grams. 0.92% of 75.0 ml is 0.69 g of NaCl.

The molar mass of NaCl is 58.44 g/mol.

Therefore, the moles of NaCl in 0.69 g is 0.0118 mol.

To calculate the molarity, we divide the moles of NaCl by the volume in liters. 75.0 ml is equivalent to 0.075 L.

Thus, the molarity of the solution is 0.158 M.

This assumes the density of the solution is the same as pure water, which is typically used as a standard for comparison.

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what can cause a chemical weathering

Answers

Chemical weathering can be caused by rain water reacting with the mineral grains in rocks, which form to create new minerals and soluble salts.

Can a chemical reaction of iron pipes form rust? Chemical reactions lesson 2.3

Answers

Answer:

Yes

Explanation:

Although rust is considered the result of an oxidation reaction, it's worth noting not all iron oxides are rust. Rust forms when oxygen reacts with iron, but simply putting iron and oxygen together isn't sufficient. Although about 21% of air consists of oxygen,1  rusting doesn't occur in dry air. It occurs in moist air and in water.

arrange the following atoms in order of decreasing atomic radius Na,P,Al,K,Mg,Cl,Cs

Answers

We can arrange the given atoms in order of decreasing atomic radius:

Cs > K > Na > Mg > Al > P > Cl

When arranging atoms in order of decreasing atomic radius, the general trend is to move from left to right across a period and from top to bottom within a group on the periodic table. The atomic radius generally increases as you move down a group and decreases as you move across a period.

Based on this trend, we can arrange the given atoms in order of decreasing atomic radius:

Cs > K > Na > Mg > Al > P > Cl

Cs (Cesium) has the largest atomic radius as it is located at the bottom of Group 1 (alkali metals) on the periodic table.

K (Potassium) has a slightly smaller atomic radius than Cs but is still larger than the next elements.

Na (Sodium) is smaller than K but larger than the subsequent elements.

Mg (Magnesium) is smaller than Na but larger than Al.

Al (Aluminum) is smaller than Mg but larger than P.

P (Phosphorus) is smaller than Al but larger than Cl.

Cl (Chlorine) has the smallest atomic radius among the given atoms.

So, the atoms arranged in order of decreasing atomic radius are Cs, K, Na, Mg, Al, P, Cl.

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if the molar mass of the dye used was 791.41 how many grams of dye were dissolved in 10.0 ml of the solution in part a

Answers

if the molar mass of the dye used was 791.41, 41.55x10^6many grams of dye were dissolved in 10.0 ml of the solution in part a

molar moles of the dye = 791.4g/m,  volume of the dye solution: 10.0ml, weight of dissolved dye is calculated by theformula =  weight of dye = molarity x Mol mass x volume /1000  5.25X10^6 X 791.41% / 1009 = 41.55x10^6. In chemistry, the molar mass of an organic compounds is described as the volume of a sample of the that chemical divided by the quantity of substance in that sample, that is the number of moles measured in moles. The molar mass of a drug is a bulk characteristic, not a molecular property. A substance's molar mass is the mass in g. of one mole of the substance. As demonstrated in this video, the molar mass of a substance could be determined by adding the molar masses of the its constituent atoms. The calculated molar mass can then be used to convert between mass and the number of molecules of the substance. Furthermore, the main distinction between the two is that molar mass helps give the volume of a mole of a specific substance.

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what advice would you give to your friend who has been suffering from domestic violence​

Answers

Answer:

the advices are,

1. i would say him or her to give all information about not to do domestic violence who has doing it.

2. i would say him/ herto be strict towards the domestic violence.

3. i would suggest him or her to raise voice aganist towards the domestic violence.

5. i would suggest him or her to negotiate to them for theirbasic rights.

6. if its not possible then i would suggest him or her to complain to the police.

hope u like it ...

Answer:  If my friend has been suffering from domestic violence, then I will advice her to be strict towards domestic violence, believe in yourself, don't lose hope, provide the information about not doing domestic violence for who has doing it, I will suggest her to raise voice against it, to fight for the basic rights, If not possible then i would advice her to complain to police and if it is even worst then I will advice her to leave as soon as possible, make your own decision, etc These advice i would give if my friend has been suffering from domestic violence.

Explanation:

Hope it will help you...................

which, if any, extraction method effectively purified fluorene from ethyl 4-aminobenzoate?

Answers

A combination of simple distillation and acid-base extraction is an effective method for purifying fluorene from ethyl 4-aminobenzoate.

The extraction method that effectively purified fluorene from ethyl 4-aminobenzoate is a combination of simple distillation and acid-base extraction.The purification of fluorene from ethyl 4-aminobenzoate by using a combination of simple distillation and acid-base extraction is an effective method. Simple distillation is an effective technique for separating and purifying organic compounds that have different boiling points, while acid-base extraction is used to extract a specific component from a mixture.The extraction process usually involves adding a suitable solvent, such as ether, to the mixture, followed by shaking. The solvent is then separated from the mixture, and the component of interest is extracted into the solvent.The mixture obtained from the simple distillation was then treated with NaOH solution to convert ethyl 4-aminobenzoate to its ionic form (anion), which was then separated using a separatory funnel. The fluorene was then obtained by evaporating the solvent after acidifying the separated portion with hydrochloric acid, which was extracted using a separatory funnel.

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what is the ph at the equivalence point for the titration of 0.17 m solutions of the following acids and bases, and which of the indicators shown below would be suitable for each titration?

Answers

SCUBS

Explanation:

Scubs is the form of pop by nayeon and Liz doesn't get line kitch

Q-3 Determine the fugacity in atm for pure ethane at 310 K and 20.4 atm and change in the chemical potential between this state and a second state od ethane where temperature is constant but pressure is 24 atm.

Answers

The fugacity in atm for pure ethane at 310 K and 20.4 atm is given by the equation: f = 20.4 exp (-Δg1/RT). The change in chemical potential between this state and a second state of ethane where the temperature is constant but the pressure is 24 atm is -0.0911RT.

Fugacity is a measure of the escaping tendency of a component in a mixture, which is defined as the pressure that the component would have if it obeyed ideal gas laws. It is used as a correction factor in the calculation of equilibrium constants and thermodynamic properties such as chemical potential. Here we need to determine the fugacity in atm for pure ethane at 310 K and 20.4 atm and the change in the chemical potential between this state and a second state of ethane where the temperature is constant but the pressure is 24 atm. So, using the formula of fugacity: f = P.exp(Δu/RT) Where P is the pressure of the system, R is the gas constant, T is the temperature of the system, Δu is the change in chemical potential of the system.  Δu = RT ln (f / P)The chemical potential at the initial state can be calculated using the ideal gas equation as: PV = nRT    

=>  P

= nRT/V

=> 20.4 atm

= nRT/V

=> n/V

= 20.4/RT The chemical potential of the system at the initial state is:

Δu1 = RT ln (f/P)

= RT ln (f/20.4) Also, we know that for a pure substance,

Δu = Δg. So,

Δg1 = Δu1 The change in pressure is 24 atm – 20.4 atm

= 3.6 atm At the second state, the pressure is 24 atm.

Using the ideal gas equation, n/V = 24/RT The chemical potential of the system at the second state is: Δu2 = RT ln (f/24) = RT ln (f/24) The change in chemical potential is Δu2 – Δu1 The change in chemical potential is

Δu2 – Δu1 = RT ln (f/24) – RT ln (f/20.4)

= RT ln [(f/24)/(f/20.4)]

= RT ln (20.4/24)

= - 0.0911 RT Therefore, the fugacity in atm for pure ethane at 310 K and 20.4 atm is:

f = P.exp(Δu/RT)

=> f

= 20.4 exp (-Δu1/RT)

=> f

= 20.4 exp (-Δg1/RT) And, the change in the chemical potential between this state and a second state of ethane where the temperature is constant but pressure is 24 atm is -0.0911RT. Therefore, the fugacity in atm for pure ethane at 310 K and 20.4 atm is given by the equation: f = 20.4 exp (-Δg1/RT). The change in chemical potential between this state and a second state of ethane where the temperature is constant but the pressure is 24 atm is -0.0911RT.

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Two moles of sulfur trioxide (SO) are produced from the combination reaction of two moles of

sulfur dioxide and one mole of oxygen. How many moles of sulfur trioxide are produced from 4

moles of sulfur dioxide?

Answers


If two moles of sulfur trioxide are produced from two moles of sulfur dioxide and one mole of oxygen, then one mole of sulfur trioxide is produced from one mole of sulfur dioxide and 1/2 mole of oxygen.

Therefore, to find out how many moles of sulfur trioxide are produced from 4 moles of sulfur dioxide, we need to first calculate how many moles of oxygen are required.


- Two moles of sulfur trioxide are produced from two moles of sulfur dioxide and one mole of oxygen.
- This means that one mole of sulfur trioxide is produced from one mole of sulfur dioxide and 1/2 mole of oxygen.
- To find out how many moles of sulfur trioxide are produced from 4 moles of sulfur dioxide, we need to calculate how many moles of oxygen are required.
- Since one mole of sulfur dioxide requires 1/2 mole of oxygen, 4 moles of sulfur dioxide will require 2 moles of oxygen.
- Therefore, 4 moles of sulfur dioxide will produce 4 moles of sulfur trioxide.



The given chemical equation is:

2 SO2 + O2 → 2 SO3

This equation tells us that two moles of sulfur trioxide are produced from two moles of sulfur dioxide and one mole of oxygen.

We can use stoichiometry to find out how many moles of sulfur trioxide are produced from 4 moles of sulfur dioxide.

Step 1: Calculate how many moles of oxygen are required to produce 4 moles of sulfur dioxide.

From the chemical equation, we know that 2 moles of sulfur dioxide react with 1 mole of oxygen to produce 2 moles of sulfur trioxide.

Therefore, 1 mole of sulfur dioxide requires 1/2 mole of oxygen to produce 1 mole of sulfur trioxide.

To produce 4 moles of sulfur trioxide from sulfur dioxide, we need:

4 moles SO2 x (1/2) moles O2/mole SO2 = 2 moles O2

Step 2: Calculate how many moles of sulfur trioxide are produced from 4 moles of sulfur dioxide and 2 moles of oxygen.

From the chemical equation, we know that 2 moles of sulfur dioxide and 1 mole of oxygen react to produce 2 moles of sulfur trioxide.

Therefore, 1 mole of sulfur dioxide and 1/2 mole of oxygen react to produce 1 mole of sulfur trioxide.

To produce 4 moles of sulfur trioxide, we need:

4 moles SO2 x (1 mole SO3/1 mole SO2) = 4 moles SO3

Therefore, 4 moles of sulfur dioxide will produce 4 moles of sulfur trioxide.

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WRITE AND BALANCE THE FOLLOWING EQUATIONS: Ca + H,O -> Ca(OH), + AI(NO3)3 +_ H,SO - Al2(SO )3 + HNO3 *If the equation is already balanced- write "balanced" in the answer box.

Answers

The balanced equation becomes: 2Ca + 2H2O -> 2Ca(OH)2 + 2Al(NO3)3 + H2SO4 -> Al2(SO4)3 + HNO3
Now, the equation is balanced with equal numbers of atoms on both sides.

The given equation is: Ca + H2O -> Ca(OH)2 + Al(NO3)3 + H2SO4 -> Al2(SO4)3 + HNO3

To balance the equation, we need to ensure that the number of atoms on both sides of the equation is equal.

First, let's balance the calcium (Ca) atoms. There is one Ca atom on the left side and two Ca atoms on the right side. To balance this, we need to put a coefficient of 2 in front of Ca on the left side.

The balanced equation becomes: 2Ca + H2O -> Ca(OH)2 + Al(NO3)3 + H2SO4 -> Al2(SO4)3 + HNO3

Next, let's balance the hydrogen (H) atoms. There are two H atoms in H2O and two H atoms in H2SO4 on the left side. On the right side, there are four H atoms in Ca(OH)2 and three H atoms in HNO3. To balance this, we need to put a coefficient of 2 in front of H2O on the left side.

The balanced equation becomes: 2Ca + 2H2O -> Ca(OH)2 + Al(NO3)3 + H2SO4 -> Al2(SO4)3 + HNO3

Now, let's balance the oxygen (O) atoms. There are four O atoms in Ca(OH)2 on the right side. To balance this, we need to put a coefficient of 2 in front of Ca(OH)2 on the right side.

The balanced equation becomes: 2Ca + 2H2O -> 2Ca(OH)2 + Al(NO3)3 + H2SO4 -> Al2(SO4)3 + HNO3

Finally, let's balance the aluminum (Al) atoms. There is one Al atom on the right side. To balance this, we need to put a coefficient of 2 in front of Al(NO3)3.

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what is the number of atoms in a volume of 4.48 L of He gas STP?

a) 6.02 x 10^23
b) 3.02 x 10^23
c) 1.34 x 10^25
d) 1.20 x 10^23

Answers

Avogadro's number can be multiplied by the number of moles to determine the number of atoms in 4.48 L of He gas at STP is  1.20 x 10²³ atoms.

Option D is correct.

Evaluating :

                       N = N × n

                = 6.02 x 10²³ × 0.200 mol

                            = 1.20 x 10²³ atoms.

Therefore, the answer is 1.20 x 10²³ atoms.

What number does Avogadro have?

In physics and chemistry, Avogadro's number is a fundamental constant that indicates the number of atoms, ions, or molecules in one mole of a substance. It is exactly 6.02214076 x 10²³ particles per mole, as defined.

STP: What is it?

Standard Temperature and Pressure is spelled STP. For the purpose of measuring the physical properties of gases, STP is utilized as a reference condition. It has a temperature of 0° Celsius and a pressure of one atmosphere.

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