1 gallon = 4 q
1 quart = 946
27 g/l to lb/grams

Answer:

The  mass of  \(Fe^{3+}\) present is  \(x = 7.2 *10^{4} \ ng\)

Explanation:

From the question we are told that

   The  diameter of the spot is  \(d = 1.0 \ cm\)

   The  volume of the  solution present is  \(v = 12 \mu L = 12 *10^{-6} \ L\)

    The  mass of  \(Fe^{3+}\) ions in  one  liter of solution is \(m_f = 6.0 \ g\)

Generally the mass of  \(Fe^{3+}\) ions present is  v is mathematically represented as

         \(x = \frac{v * m_f}{ 1}\)

           \(x = \frac{12 *10^{-6} * 6}{1}\)

           \(x = 7.2*10^{-5} \ g\)

Converting to nanograms

We have  

            \(x = 7.2*10^{-5} \ g = \frac{ 7.2*10^{-5}}{1 *10^{-9}} = 7.2 *10^{4} \ ng\)

Answer:

soysauce bro

Explanation:

Answer:

trail mix

Explanation:

a heterogeneous mixture is a mixture with non-uniform composition. two or more of the mixture's components must be separate for the mixture to be heterogeneous.

Answer:

Hydrogen ions

Explanation: acids will produce hydrogen ions, I asked my teacher. Please tell me if we are wrong.

Answer:

C. oxygen

Explanation:

oxygen cannot for a polar covalent bond with another oxygen atom

Answer:

oxygen

Explanation:

It is true that many acid-base indicators can be extracted from fruit skins or flower petals. These natural indicators change color depending on the pH level of the solution they are in, allowing us to identify whether a substance is acidic or basic. Examples of such natural indicators include red cabbage, blueberries, and rose petals.

Substances that change color in response to changes in the pH (acidity or alkalinity) of a solution is called acid-base indicators . They are commonly used in chemistry and biology experiments to determine the endpoint of any titration or to indicate the pH of solution.

Indicators can be natural or synthetic compounds and their color changes due to the presence or absence of hydrogen ions (H+) in the solution.

However, the extraction process may vary depending on the type of indicator and the source material used.

To know more about acid-base indicators, refer

https://brainly.com/question/2815636

#SPJ11

With respect to bonding and electrical conductivity, respectively, sulfur hexafluoride, sf6(g), would be described as "covalent and a nonconductor" because sulfur hexafluoride would be a covalent compound since neither fluorine nor sulfur are metallic elements and aqueous solutions containing covalent bonding do not conduct electricity.

The ability of an electrical charges or heat to move through a material is measured by its conductivity. A material is considered a conductor if it offers relatively minimal resistance to the transfer of thermal or electric energy.

The electricity is conducted by-

To know more about the Electrical conductivity, here

https://brainly.com/question/902006

#SPJ4

Answer:

D is the answer

Explanation:

Answer:

This will be a story. (comic can also be done with this. In fact it is better)

The title is the journey of the ice cube. (change it if you want)

Main character - ice cube

There was an ice cube made by the water from the freezer in an ice shop.

The ice cube, with a bunch of other ice cubes, were taken to be packed and sold to a restaurant. The ice cube was excited to where he was going while the other ice cubes are just meh. Now that the ice cubes arrived, a restaurant worker stores the ice cubes in a cooler and later used to put ice in a lemonade. While the lemonade in a glass cup was carried outside the porch of the restaurant by the waiter, the ice cube was fascinated by the environment of the restaurant. The waiter finally serves the thirsty customer and the customer drank almost half of the lemonade but the ice cube did not get in the man's mouth. Instead the other ice cubes went. The ice cube feared the person. Shortly after checking his phone, the customer was about to reach on to the glass until the hands accidentally pushes the glass over and falls. The ice cube and the remaining ice cubes spread away with the wasted lemonade liquid. No one bothered cleaning up the ice cubes, only the glass shards because the floor is a smooth concrete. Outside was really hot from the sun anyways so it would melt the ice cube and sooner evaporate. As it was in liquid form, the "ice cube" was feeling relaxed because it was just chilling on the floor. And when it evaporates, the ice cubes becomes more fascinated since it goes up to the sky while having a sky-view from above.

The mass (in g) of potassium chlorate required to supply the proper amount of oxygen needed to burn 117.3 g of methane is 1196.82 g

Methane burns in oxygen to produce carbon (iv) oxide and water according to the equation of the reaction below:

CH₄ + 2O₂  ----> CO₂ + 2H₂O

1 mole of methane requires 2 moles of oxygen for complete combustion

1 mole of methane has a mass of 16 g

moles of methane in 117.3 g = 117.3/16 = 7.33 moles of methane

7.33 moles of methane will require 2 * 7.33 moles of oxygen

7.33 moles of methane will require 14.66 moles of oxygen

The decomposition of potassium chlorate produces oxygen

The equation of the reaction is given below:

2 moles of potassium chlorate produces 3 moles of oxygen

14.66 moles of oxygen will be produced by 14.66 * 2/3  moles of potassium chlorate

14.66 moles of oxygen will be produced by 9.77 moles of potassium chlorate

1 mole of  potassium chlorate has a mass of 122.5

9.77 moles of potassium chlorate has a mass of 1196.82 g

Therefore, the mass (in g) of potassium chlorate required to supply the proper amount of oxygen needed to burn 117.3 g of methane is 1196.82 g

Learn more about mass and molar mass at: https://brainly.com/question/15476873

Out of the options listed, washing clothes in cold water instead of warm is an energy conservation practice. Option C is correct.

Energy conservation refers to the practice of reducing the amount of energy used in daily activities while still achieving the desired results. This practice is essential in reducing greenhouse gas emissions, combating climate change, and reducing reliance on non-renewable energy sources.

This practice reduces the amount of energy required to heat water, which saves both energy and money. Heating water accounts for a significant amount of energy use in households, and by reducing the temperature, a significant amount of energy can be saved.

Raising the temperature on a water heater, on the other hand, is not an energy conservation practice. This action leads to increased energy consumption, as the water heater needs to work harder to maintain the desired temperature. It is recommended to keep the temperature of the water heater at 120°F to reduce energy consumption.

Running the washing machine with smaller loads can reduce water usage, but it may not necessarily reduce energy usage. Energy consumption is directly related to the amount of water used, the temperature of the water, and the duration of the washing cycle.

Lowering the thermostat's temperature in the summer can save energy if it leads to a reduction in air conditioning usage. However, if it leads to increased use of fans or other cooling equipment, it may not result in energy conservation.

In conclusion, washing clothes in cold water instead of warm is an energy conservation practice that households can adopt to reduce energy usage, save money, and contribute to environmental sustainability. Option C.

For more such questions on conservation  visit:

https://brainly.com/question/14840218

#SPJ11

Answer:

Hunds rule is violated here.

Hunds rule : pairing of electrons takes place only if all the orbitals are filled with single electrons each.

In the polysaccharide cellulose, large numbers of monosaccharides are linked together through glycosidic linkages.

TPolysaccharides, which are the most ubiquitous carbohydrates in nature, serve a number of functions, including energy storage and incorporation into plant cell walls.

Tens to thousands of monosaccharides are joined together via glycosidic linkages to form large polymers known as polysaccharides. The three most frequent polysaccharides are starch, glycogen, and cellulose. They are collectively referred to as homopolymers because, after complete hydrolysis, each of these three exclusively yields one type of monosaccharide (glucose).

Heteropolymers may also comprise sugar acids, amino sugars, or non-carbohydrate substances in addition to monosaccharides. Polysaccharides, a class of non-reducing carbohydrates, are not sweet and do not change. 

To learn more about polysaccharide of refer to:

https://brainly.com/question/29352715

#SPJ4

Item 12 a student mixes 40. Ml of 0. 10mhbr(aq) with 60. Ml. The [oh−] of the resulting solution is 0.02.

A solution is a mixture of two or more than two substances.

The reaction is \(\rm HBr + KOH = KBr + H_2O\)

To calculate the OH-

1 mole of HBr reacts with 1 mole of KOH

Moles of HBr = 40 mL × 0.1 M = 4 mm moles

Moles of KOH = 60 mL × 0.1 M = 6 m moles

Moles of [OH-] = 6 - 4 = 2 m moles

Volume of solution = 100 mL

[OH-] = 2mmoles/100 mL = 0.02 M

Thus, the [oh−] of the resulting solution is 0.02.

Learn more about OH ions.

https://brainly.com/question/17439197

#SPJ4

Answer:

Dilute sulfuric acid reacts with metals higher than hydrogen in the reactivity series to form sulfate salts and hydrogen gas. Note the metal reactions are different with concentrated sulfuric acid. Iron is cleaned free from rust prior to coating with tin to form tinplate and with zinc to form galvanized iron.

The liquid form of 1-octene has no color. Flashpoint of 70 °F. Less dense (at about 6 lb/gal) and insoluble in water than water, as a result, floats on water.

Having the chemical formula CH2CHC6H13, 1-octene is an organic compound. The double bond in the alkene is in the alpha (primary) position, making the compound more reactive and giving it useful chemical properties. The alkene is also referred to as a higher olefin and alpha-olefin.

Learn more about 1-octene

https://brainly.com/question/11907688

#SPJ4

Approximately 0.002974 grams of molybdenum may have formed during the passage of 74.5 amps for 3.629 hours through the electrolytic cell.

To calculate the grams of molybdenum formed, we need to use Faraday's laws of electrolysis and the molar mass of molybdenum.

First, we determine the charge passed through the electrolytic cell using the equation:

Q = I * t

where Q is the charge in coulombs, I is the current in amperes, and t is the time in seconds.

Next, we use Faraday's constant (F) to convert the charge (Q) into moles of electrons transferred:

moles of electrons = Q / F

Since the molar ratio between electrons and molybdenum is 3:1 (from the oxidation state of Mo(III)), the moles of molybdenum formed will be:

moles of Mo = (moles of electrons) / 3

Finally, we can calculate the grams of molybdenum formed using its molar mass:

grams of Mo = (moles of Mo) * molar mass of Mo

Given:

I = 74.5 A

t = 3.629 hours = 3.629 * 3600 s (converting hours to seconds)

molar mass of Mo = X g/mol (unknown)

Now, by plugging in the values and calculating the grams of molybdenum formed, we can find the answer.

To learn more about electrolytic cell click here

brainly.com/question/10174059

#SPJ11

The half-life of the compound is approximately 197.37 minutes based on the given information.

The half-life of a compound is the time it takes for half of the initial amount of the compound to undergo decomposition or decay. In this case, if 81 percent of the sample decomposes in 75 minutes, we can use this information to estimate the half-life.

Since 81 percent of the compound decomposes, it means that 19 percent remains after 75 minutes. To find the half-life, we need to determine the time it takes for the remaining 19 percent to decay to 50 percent. This can be calculated by multiplying the given time (75 minutes) by the ratio of the remaining fraction (19 percent) to the desired fraction (50 percent).

Therefore, the half-life of the compound can be estimated by multiplying 75 minutes by (0.5 / 0.19), which equals approximately 197.37 minutes. Thus, the half-life of the compound is approximately 197.37 minutes based on the given information.

To know more about decomposition, refer here:

https://brainly.com/question/24936069#

#SPJ11

5.77 ×10^14 is the green photon's frequency.

Answer:

Molar mass of Al2O3 = 101.961276 g/mol

This compound is also known as Aluminium Oxide.

Convert grams Al2O3 to moles or moles Al2O3 to grams

Molecular weight calculation:

26.981538*2 + 15.9994*3

Percent composition by element

Element Symbol Atomic Mass # of Atoms Mass Percent

Aluminium Al 26.981538 2 52.925%

Oxygen O 15.9994 3 47.075%

Explanation:

Percent composition by element

Element Symbol Mass Percent

Aluminium Al 52.925%

Oxygen O 47.075%

The chemical reaction is called hydrolysis, which is a type of catabolic reaction. "Hydro-" means that water is used and "-lysis" means to break down. Thus, hydrolysis is a process that uses water as a resource to break down ATP into ADP and phosphate..

A chemical reaction is a process in which one or more substances are changed into one or a different substance and produce new products. Substance is a chemical element or compound. Chemical reactions rearrange reactant atoms to make different substances.

Because of the many chemical reactions that occur around us, a form of chemical equation is created to make it easier for humans to express chemical reactions. A chemical equation is a mathematical statement that represents the formation of products from the reactants and also states the specific conditions under which the reaction occurs.

The reactants are on the left side, while the products formed are on the right side and are connected by arrows. For example, A+B➡️C+D

From the equation above, you can see that A and B are reactants that react and form products C and D. In actual chemical equations, reactants are denoted by their chemical formulas. Based on the conservation of mass, the chemical equation must be balanced, that is, the number of atoms on both sides must be the same.

Learn more about chemical reaction at https://brainly.com/question/11314881.

#SPJ4

The substance that he will have the most will be sodium chloride.

More than 70% of the surface of the Earth is covered by seawater, the liquid that makes up the oceans and seas. 96.5 percent of seawater is made up of pure water, 2.5 percent salt, and minor amounts of dissolved inorganic and organic compounds, particles, and a few atmospheric gases.

When a chemist analyzes the composition of a sample and heats it to cause the water to evaporate, he is left with the solid substances that had been dissolved in the sample. Sodium chloride is the most significant salt that is created by ocean water. He next goes through a series of steps to separate the solid materials from one another. The highest substance found in ocean water, according to his measurements, is salt, specifically sodium chloride.

Learn more about sodium chloride

brainly.com/question/9811771

#SPJ4

If all of the bonding electrons in a molecule are bonded in two-hybrid sp orbitals are likely to have a linear shape.

One of a set of hybrid orbitals is produced when one s orbital and one p orbital is combined mathematically to form two new equivalent, perpendicular orbitals.

A linear molecule is one in which the atoms are arranged in a straight line (less than a 180° angle). The sp hybridization occurs at the central atom of molecules with linear electron-pair geometries.

Carbon dioxide (O=C=O) and beryllium hydride \(BeH_2\) are examples of linear electron pairs and molecular geometry.

Hence, option A is correct.

Learn more about the sp orbitals here:

https://brainly.com/question/10472619

#SPJ1

Answer:

100gmol

Explanation:

Answer:

Requiere que el agua pase por membranas de filtración.

Explanation:

Un purificador de agua que utiliza energía solar es un dispositivo innovador y tecnológico que funciona como una estación de saneamiento básico con capacidad para purificar el agua y eliminar el 99% de virus y bacterias.

El sistema funciona de la siguiente manera: cuenta con bomba, panel solar, cargador y mangueras. La bomba mueve el agua a través del filtro utilizando la energía de la batería que se carga con la energía de la luz solar. Incluso en días con poca exposición al sol, el sistema es capaz de utilizar la energía acumulada de la batería y purificar 1 litro de agua en 1 minuto.

Se trata de una tecnología simple e innovadora que puede ser de gran ayuda en el saneamiento básico de lugares que no contienen agua potable, debido a la facilidad y portabilidad del sistema.

Answer:

1

Explanation:

M r ( NaCl ) = A r ( Na ) +  A r ( Cl )  =  23 + 35,5  =  58,5

 So, 1 mol of NaCl has a mass of 58,5 g.

Moles of NaCl  =  58,5 g NaCl

times (x)

1 mol NaCl  = 58,5 g NaCl  =  1,00 mol NaCl

According to the mole concept, there are 0.140 moles in teaspoon of salt that contains 5 g.

Mole is defined as the unit of amount of substance . It is the quantity measure of amount of substance of how many elementary particles are present in a given substance.

It is defined as exactly 6.022×10²³ elementary entities. The elementary entity can be a molecule, atom ion depending on the type of substance. Amount of elementary entities in a mole is called as Avogadro's number.

It is widely used in chemistry as a suitable way for expressing amounts of reactants and products.For the practical purposes, mass of one mole of compound in grams is approximately equal to mass of one molecule of compound measured in Daltons. Molar mass has units of gram per mole . In case of molecules, where molar mass  in grams present in one mole  of atoms is its atomic mass.Number of moles is calculated as, mass/molar mass.

In this case number of moles is calculated as, 5/35.5=0.140 moles.

Thus, there are 0.140 moles in 5 g teaspoon of salt.

Learn more about mole,here:

https://brainly.com/question/21323029

#SPJ2

Answer:

the third

Explanation:

when you remove the first the nucleur attraction becomes greater pulling the other valence electron closer thus the more you remove the harder it gets because the pull from the nucleus increases.

There are various kind of elements that are present in periodic table. Some elements are harmful, some are radioactive, some are noble gases. Option C is correct option.

Periodic table is a table in which we find elements with properties like metals, non metals, metalloids and radioactive element arranges in increasing atomic number.

The elements that belongs to Group 2A metals are alkaline earth metals, their electronic configurations is [noble gas ]ns² so, it is easy to remove first electron and then second electron but it is very difficult to remove the third electron because after removing two electron we get noble gas configuration and effective nuclear charge also increases after removal of second electron.

Therefore, the correct option is option C.

Learn more about periodic table, here:

https://brainly.com/question/11155928

#SPJ2

Molecular compounds include a prefix on the first and second elements and a suffix on the second element, whereas ionic compounds do not have prefixes.

Option B is correct.

There are many different kinds of chemical compounds, including organic compounds, ionic compounds, molecular compounds, and so on. Each compound has its own name, and the naming patterns vary from one compound to the next.

There are typically two elements in molecular compounds, particularly binary compounds. These are named so that the first element's name appears first and the second element's name appears second. The second element will have a suffix, while both elements will have prefixes.

Ionic mixtures are unbiased mixtures comprised of emphatically charged particles called cations and adversely charged particles called anions. For double ionic mixtures (ionic mixtures that contain just two sorts of components), the mixtures are named by composing the name of the cation initially followed by the name of the anion.

Learn more about ionic compounds:

brainly.com/question/2687188

#SPJ4