Define Kelvin's Temperature. ​

Answer:

920mL of water

Explanation:

To solve this question we need to find as first the mass that must be added of water to make 1000mL of syrup using specific gravity. Thus, we can know the volume of water that mus be added:

1.31 is 1.31g/mL. In 1000mL = 1310g/1000mL. As the mass added of sucrose is 850g, the mass of water = Volume of water is:

1310g - 850g = 460g of water = 460mL to make 1L, To make 2L the amount of water that must be added is:

460mL * 2  =

The number of milliliters of water are used to prepare two liters of syrup is 920 mL of water.

Given that,

Based on the above information, the calculation is as follows:

1.31 is = 1.31g/mL.

Now

In 1000mL = \(1310g \div 1000mL\).

Now if the mass is added so the mass of water should be equivalent to the volume of the water.

= 1310g - 850g

= 460g of water

Now

= 460mL for 1L,

To make 2L the water should be  

= 460mL (2)

= 920mL of water

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Answer:

85.076572

Explanation:

= (84.911789×0.7217) + (86.909183×0.2738)

= 85.076572

The electron configuration for sulfur is 1s² 2s² 2p⁶ 3s² 3p⁴, which is option e, as this notation indicates the distribution of electrons in different energy levels and orbitals around the sulfur atom. The superscript numbers represent the number of electrons in each orbital.

The electron configuration is a representation of how electrons are distributed in different energy levels and orbitals around an atom. In the case of sulfur, the atomic number is 16, which means it has 16 electrons. To determine the electron configuration, it is followed the Aufbau principle, which states that electrons fill the lowest energy orbitals first before moving to higher energy levels.

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complete question is below

Select the correct answer.

What is the electron configuration for sulfur?

O A.

OB.

O C.

O D.

E

15² 25² 2p 3s² 3p4

15² 1p6 2s² 2p 3s²

15² 25² 2p 3s² 3p³ 4s¹

15² 25² 2p 3p¹ 3d

1s² 2s² 2p⁶ 3s² 3p⁴

H⁣⁣⁣⁣ere's l⁣⁣⁣ink t⁣⁣⁣o t⁣⁣⁣he a⁣⁣⁣nswer:

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The property of benzene that is a result of delocalisation of electrons in the benzene ring is the stability of the benzene ring.

Benzene is a colorless, highly flammable liquid with a pleasant odor. It's an important starting material for a variety of chemical products, including plastics, resins, synthetic fibers, rubber additives, and dyes. Its molecular formula is C6H6, and its structure is a hexagonal ring of carbon atoms, with a hydrogen atom bonded to each carbon atom. Each carbon atom also has a delocalized pi electron that interacts with the pi electrons of the other carbon atoms in the ring.

Delocalization is a general term for describing the movement of electrons away from a single atom or a pair of atoms. When the pi electrons in a benzene ring are delocalized, they move freely around the ring, creating a cloud of electron density above and below the ring. Because the electrons are free to move around, they don't belong to any single carbon atom in the ring but instead belong to the entire ring. As a result of the delocalization of electrons in the benzene ring, it has a high degree of stability, making it a common feature in organic compounds.

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Answer:

See explanation

Explanation:

Now , we have the equation of the reaction as;

2H2S(g) + 302(g)------->2SO2(g) + 2H2O(g)

This equation shows that SO2 gas is produced in the process. Let us recall that this same SO2 gas is the anhydride of H2SO4. This means that it can dissolve in water to form H2SO4

So, when SO2 dissolve in rain droplets, then H2SO4 is formed thereby lowering the pH of rain water. This is acid rain.

The mass of the isotope that would remain is 300 g.

The half-life of a substance is the time it takes for half of the substance to decay or disappear. It is a fundamental concept in the field of radioactivity and is used to describe the rate at which radioactive isotopes decay.

We know that the half life of the uranium 238 is 4.5 * 10^6 years. Then we know that;

N/No = (1/2)^t/t1/2

N = amount at time t

No = amount initially present

t1/2 = half life

t = time taken

Thus we have;

N/1000 = (1/2)^36 x 10^9 / 4.5 * 10^6

N = [ (1/2)^3.6 x 10^9 / 4.5 * 10^6 ] * 1000

N = 300 g

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Answer:

Density. What is DENSITY? DENSITY is a physical property of matter, as each element and compound has a unique density associated with it. Density defined in a qualitative manner as the measure of the relative "heaviness" of objects with a constant volume.

Explanation:

have a nice weekend

The atomic ratio of carbon to oxygen in carbon monoxide (CO) is 1:1, and the atomic ratio of carbon to oxygen in carbon dioxide (CO₂) is 2:1.

Firstly, we can analyze the decomposition of carbon monoxide (CO) and carbon dioxide (CO₂) to determine the atomic ratios involved.

Let's denote the atomic ratio of carbon to oxygen in carbon monoxide as x, and the atomic ratio of carbon to oxygen in carbon dioxide as y.

According to the given data;

Decomposition of carbon monoxide (CO);

Oxygen produced = 3.36 g

Carbon produced = 2.52 g

We know that the atomic mass of carbon is 12 g/mol, and the atomic mass of oxygen is 16 g/mol. Using these values, we can calculate the number of moles for each element;

Number of moles of oxygen = mass / atomic mass = 3.36 g / 16 g/mol = 0.21 mol

Number of moles of carbon = mass / atomic mass = 2.52 g / 12 g/mol = 0.21 mol

Since the atomic ratio of carbon to oxygen in carbon monoxide is x, we can write the following equation;

0.21 mol C / (0.21 mol O) = x

Simplifying the equation, we have;

x = 1

Therefore, the atomic ratio of carbon to oxygen in carbon monoxide is 1:1.

Decomposition of carbon dioxide (CO₂);

Oxygen produced = 9.92 g

Carbon produced = 3.72 g

Following the same calculations as before;

Number of moles of oxygen = mass / atomic mass = 9.92 g / 16 g/mol = 0.62 mol

Number of moles of carbon = mass / atomic mass = 3.72 g / 12 g/mol = 0.31 mol

Since the atomic ratio of carbon to oxygen in carbon dioxide is y, we can write the following equation;

0.31 mol C / (0.62 mol O) = y

Simplifying the equation, we have;

y = 0.5

Therefore, the atomic ratio of carbon to oxygen in carbon dioxide is 1:0.5, which can be simplified to 2:1.

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--The given question is incomplete, the complete question is

"Missed this? watch kcv: atomic theory; read section 2.3. you can click on the review link to access the section in your text. carbon and oxygen form both carbon monoxide and carbon dioxide. when samples of these are decomposed, the carbon monoxide produces 3.36 g of oxygen and 2.52 g of carbon, while the carbon dioxide produces 9.92 g of oxygen and 3.72 g of carbon. Calculate the atomic ratio of carbon to oxygen in carbon monoxide, and carbon dioxide."--

According to ideal gas law ;

PV = nRT where, P refers to the pressure of the ideal gas, V is the volume of the ideal gas, n is the total amount of ideal gas that is measured in terms of moles, R is the universal gas constant, and T is the temperature.

If Volume of system is reduced to half = V/2

then; P = 2(nRT/V), Pressure will be doubled to reestablish the equilibrium.

What is Chemical equilibrium?

Chemical equilibrium, condition in the course of a reversible chemical reaction in which no net change in the amounts of reactants and products occurs. A reversible chemical reaction is one in which the products, as soon as they are formed, react to produce the original reactants.

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Answer:

Ca

Explanation:

Ca is larger than Ca2+ because, in the periodic table, the atomic radius increases from top to bottom and from left to right. Also Ca has 2 more electrons than Ca2+ therefore, its atom is bigger because it has an extra shell.

Ca²⁺ is smaller than Ca. As Ca²⁺  has lost two electrons to become positively charged.

Ca²⁺ is the calcium ion, which has lost two electrons to become positively charged. When an atom loses electrons, it becomes smaller because there are fewer negatively charged electrons in the electron cloud to balance the positive charge of the nucleus.

On the other hand, Ca refers to the neutral calcium atom, which has an equal number of protons and electrons. In comparison to Ca²⁺, the neutral calcium atom has two additional electrons, which increases the electron cloud and overall size of the atom.

Therefore, Ca²⁺ is smaller than Ca.

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According to the law of conservation of mass and stoichiometry, number of moles of KCl produced along with 0.45 moles of oxygen is 2 moles of KCl.

According to law of conservation of mass, it is evident that mass is neither created nor destroyed rather it is restored at the end of a chemical reaction .

Law of conservation of mass and energy are related as mass and energy are directly proportional which is indicated by the equation E=mc².Concept of conservation of mass is widely used in field of chemistry, fluid dynamics.

As according to the equation, 245.1 g of potassium chlorate produces 149.1 g of KCl and 48 g of oxygen

∴245.1 g of potassium chlorate produces 244.65 g of KCl  along with 7.2 g of oxygen .

In terms of moles, 2 moles of potassium chlorate produces 2 moles of KCl as number of moles=mass/molar mass that is, 149.1/74.55=2

Thus, the number of moles of KCl produced is 2 moles.

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Answer:

Mass increases since its going from liquid to solid.

Explanation:

Answer:

A. 7

(assuming the water is neutral)

Nuclear Fission include used in nuclear power plants and byproducts have long half-lives, Nuclear fusion includes occurs on the sun and needs very high temperatures, while Nuclear fission and Nuclear fusion includes release lots of energy.

Nuclear fission is a physico chemical process caused when an atom divides into two smaller atoms, which released important amounts of energy and it is used to generate electricity in nuclear power plants.

Conversely, Nuclear fusion occurs when smaller atoms such as hydrogen fuse to form larger atoms, which is able to generate much more energy when compares to Nuclear fusion, and this process fuel energy in the sun.

Therefore, with this data, we can see that fission nuclear and fusion nuclear are very different processes in terms of the division of fusion of atoms and they release differential amounts of energy.

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Answer:DNA

Explanation:Dna

Phenol and bromomethane are the major products obtained upon treatment of methyl phenyl ether with excess HBr.

What do you mean by Phenol and Bromomethane?

Phenols  are a class of chemical compounds which consist of a hydroxyl group (—OH) bonded directly to an aromatic hydrocarbon group. The simplest of the class is phenol, C6H5OH. Friedlieb Ferdinand Runge discovered Phenol in the year 1834. It was extracted from coal tar.

Bromomethane, commonly known as methyl bromide, is an organobromine compound with formula CH3Br. It is a colorless, odorless, nonflammable gas which is produced both industrially and biologically.  It consist of a  a tetrahedral shape and is  recognized as a ozone-depleting chemical.

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Answer: 7.60 L of hydrogen gas will be liberated.

Explanation:

The number of moles is defined as the ratio of the mass of a substance to its molar mass.

The equation used is:

\(\text{Number of moles}=\frac{\text{Given mass}}{\text{Molar mass}}\)    ......(1)

Given mass of Mg = 8.25 g

Molar mass of Mg = 24.305 g/mol

Plugging values in equation 1:

\(\text{Moles of Mg}=\frac{8.25g}{24.305g/mol}=0.340mol\)

The given chemical equation follows:

\(Mg+2HCl\rightarrow MgCl_2+H_2\)

By the stoichiometry of reaction:

If 1 mole of magnesium produces 1 mole of hydrogen gas

So, 0.340 moles of magnesium will be produce = \(\frac{1}{1}\times 0.340=0.340mol\) of hydrogen gas

At STP conditions:

1 mole of a gas occupies 22.4 L of volume

So, 0.340 moles of hydrogen gas will occupy = \(\frac{22.4L}{1mol}\times 0.340mol=7.60L\) of hydrogen gas

Hence, 7.60 L of hydrogen gas will be liberated.

The compound form with a sodium cation and a carbonate anion has the following molecular formula: Na2CO3, and the name is the same as the individual names but now together, Sodium carbonate, letter B

Chemical inactivation and excretion into bile are hepatic clearance mechanisms that rely on bile canaliculi. The hepatic clearance mechanisms that rely on phagocytosis are Kupffer cells.  

The liver is an essential organ that performs various vital functions in the body. Hepatic clearance mechanisms are a series of physiological processes that occur in the liver. These mechanisms aid in removing or eliminating toxins or drugs from the body.

The liver acts as a filter that removes substances from the blood and eliminates them from the body. Various hepatic clearance mechanisms include phagocytosis, chemical inactivation, excretion into bile, and renal excretion. These mechanisms work together to eliminate harmful substances from the body.

For example, phagocytosis is a process that relies on Kupffer cells. Kupffer cells are a type of liver macrophages that remove old or damaged red blood cells, bacteria, and other foreign substances. Chemical inactivation involves the conversion of a toxic substance into a less toxic or inactive form.

The liver converts toxic substances through oxidation, reduction, and hydrolysis reactions. The excretion of toxic substances into bile occurs in the liver's bile canaliculi. Bile is a digestive juice that contains bile salts, cholesterol, bilirubin, and other substances.

Therefore, the correct answers are bile canaliculi and kupffer cells respectively.

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Answer:

When a gas occupies a smaller volume, it exerts a higher pressure; when it occupies a larger volume, it exerts a lower pressure (assuming the amount of gas and the temperature do not change). Since P and V are inversely proportional, a graph of 1/P vs. V is linear.

Explanation:

Answer:

Volume and Pressure: Boyle's Law

Decreasing the volume of a contained gas will increase its pressure, and increasing its volume will decrease its pressure. In fact, if the volume increases by a certain factor, the pressure decreases by the same factor, and vice versa.

When the system reaches equilibrium in the reaction 2NO2(g) <-> N2O4(g) + 58kJ, the rate of the forward reaction (formation of N2O4) is equal to the rate of the reverse reaction (decomposition of N2O4 into NO2).

This means that at equilibrium, the concentrations of the reactants and products remain constant over time, and the system is in a balanced state.

As at equilibrium, the rate of the forward reaction is equal to the rate of the reverse reaction. This means that the concentration of nitrogen dioxide molecules (2NO2) reacting to form dinitrogen tetroxide (N2O4) is the same as the concentration of N2O4 molecules breaking down to form NO2 molecules.

However, the equilibrium constant (Kc) for this reaction indicates that at equilibrium, there will be more N2O4 present than NO2. This is because the forward reaction is exothermic (it releases heat) and therefore, according to Le Chatelier's principle, the equilibrium will shift towards the side with fewer moles of gas, which is N2O4.

So, although the rates of the forward and reverse reactions are the same at equilibrium, the concentrations of the reactants and products are not equal.

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The correct way to set up the relationship between milligrams and grams is 1mg-10-³g. option D is correct.

The milligrams and grams are is eual to the 1g = 1,000mg. 1,000 milligrams (mg) in 1 gram (g).

The conversion of  your gram figure to milligrams multiply your figure by 1000.  1mg is 1/1000g. There are 1,000 milligrams in 1 gram.

Therefore, The correct way to set up the relationship between milligrams and grams is 1mg-10-³g. option D is correct.

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Answer:

chemistry

Explanation:

it is the study of structer, composition and change that matter undergoes

Answer:

b nitrogen&oxygen

Explanation:

i'm built different