How many moles of chlorine are present in 3 moles of MgCl2

It is dangerous to mix chlorine and vinegar together as cleaner because that would produce a large amount of chlorine gas by shifting the equilibrium to the left.

As per the Le Chatelier's principle, if the equilibrium of a reaction is disturbed by changing any property of the reaction, then the reaction will automatically shift in that direction which would compensate the effect of the change in property, in order to establish the equilibrium again.

In the reaction,

Cl₂(g) + 2NaOH(aq) ⇄ NaOCl(aq) + NaCl(aq) + H₂O(l)

Currently this reaction is in equilibrium, but if the concentration of any of the product is added in the system, the equilibrium will be disturbed, to established the equilibrium again, the the reaction will shift towards left and more and more amount of reactant will be formed, and more and more chlorine gas will be formed which is toxic.

Now to the doubt asked in the question,

If vinegar is added to the system, the amount of NaOH will be consumed which will decrease the concentration of NaOH and the concertation of water will increase because of acid water neutralization reaction.

The increased amount of water and the decreased amount of NaOH will heavily shift the equilibrium to the Left which is again producing chlorine gas which is not good.

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Using the calculated molarity of the unknown acid, you can use the Rice table to determine the initial pH of the solution.


The rice table is a tool that is used to determine the unknown variables when calculating equilibrium concentrations. When titrating an unknown acid, the molarity of the solution is determined by using stoichiometric ratios. Once the molarity of the unknown acid is known, the Rice table can be used to determine the initial pH of the solution.

This is achieved by setting up a table that shows the initial concentration of each species, the change in concentration, and the equilibrium concentration. By using the equilibrium concentrations, it is possible to determine the equilibrium constant and calculate the pH of the solution.

In conclusion, if the initial pH determined using the Rice table matches the actual pH of the titration curve, it confirms that the calculation of the molarity was correct. If the pH values do not match, it is an indication of an error in the calculations, and a recalculation is necessary.

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In Niels Bohr’s model of the atom, electrons are configured in a series of concentric shells around the nucleus. The shells are numbered, with the shell closest to the nucleus being numbered one, and each succeeding shell numbered two, three, and so on.

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Answer:

it's A) or E)

others are not suitable cuz their melting point is weak.

Answer:

Gallium

Explanation:

Because the melting point is low and the drinks are usually around 60-70 degrees Celsius so it wil melt

Answer:

Na (Sodium)

Explanation:

Sodium is a metal, and when combined with Chlorine (which is a non-metal) it creates an ionic compound

Option C is correct. The Sodium combined with Chlorine to form an ionic compound.

Ionic Compound:

These are the compounds that are made up of two ions, one positive and one negative. In the solution, they conduct electricity. They formed when a metal interacts with a non-metal.

For example- NaCl

Therefore, the Sodium combined with Chlorine to form a an ionic compound.

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Answer:

100 g of water dissolves 204 g of sugar. Therefore, 25 g of water would dissolve 204×25÷100 =51g of sugar at 20°C.

Explanation:

Answer: 408g of sugar

Explanation: the amount of water increased by 2

so, multiply: 204 times 2= 408

The correct increasing order of solubility for the given gases is: NH₃ < N₂ < CO₂

A chemical's solubility is the maximum amount of that substance that will dissolve in a specific amount of solvent at a specific temperature. Solubility has several practical applications, including water filtering, beverage manufacturing, and vitamin storage.

The ability of a medicine to dissolve is essential to its effectiveness. A drug substance could be absorbed without it, which results in limited bioavailability. Drugs with poor solubility can potentially cause problems with metabolism or permeability, interaction with other medications, or the requirement for prolonged drug release.

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Answer:

Glue is made up of - combination of polyvinyl acetate (PVA), water, ethanol, acetone and other substances. The animal remains that are the raw materials for glue may include ears, tails, scraps of hide or skin, scrapings from the fleshy sides of hides, tendons, bones and collagen taken from animal parts, particularly horse hooves and bones.

Explanation:

Oof hope this helps =)

Answer:

Synthetic glues and adhesives are made from polyvinyl acetate, water, ethanol, acetone and some other substances. The water is used to modify the glue's consistency while the other substances are used to control the drying rate of the glue.

The yield of the response is 245.6% and the number of moles of H2SO4 is 0.09849 moles.

To decide the yield of the response, we first need to ascertain how much \(H2SO4\) created:

Volume of H2SO4 = 20.1 mL = 0.0201 L

Grouping of H2SO4 = 4.9 M

Measure of H2SO4 = \(fixation x volume\) = \(4.9 M x 0.0201 L = 0.09849\) moles

We realize that the response is:

\(SO3(g) + H2O(l) → H2SO4(aq)\)

The decent condition lets us know that 1 mole of SO3 responds with 1 mole of H2O to create 1 mole of H2SO4. Hence, the hypothetical yield of \(H2SO4\) would be 0.0401 moles (since 40.1g of SO3 is comparable to 0.4 moles of SO3).

The genuine yield is given  \(H2SO4\) created, which is 0.09849 moles.

The yield of the response is then, at that point:

Yield = \((genuine yield/hypothetical yield) x 100 percent\)

= \((0.09849 moles/0.0401 moles) x 100%\)

= 245.6%

Subsequently, the yield of the response is 245.6%.

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If 25 mL of 0. 10 M NaOH were used to titrate 20. ML of HCl solution, 0.125M  is the molarity of the HCl solution.

Molarity is also known as concentration in terms of quantity, molarity, or substance. It is a way to gauge how much of a certain chemical species—in this case, a solute—is present in a solution. It is a substance in unit volume of solutions in terms of quantity. The amount of moles / litre is the molarity unit that is most frequently used in chemistry. One mol/L of a solution's concentration is referred to as its molarity. It is frequently abbreviated as 1 M.

Molarity₁×Volume₁=Molarity₂×Volume₂

0. 10×25 =Molarity₂× 20

Molarity₂= 0.125M

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Answer:

Oxidized

Explanation:

Oxidation and reduction are terms used to describe reactions in which  electrons move from one atom or molecule to another atom or molecule. Oxidation occurs when electrons are lost, while reduction occurs when electrons are gained. (The charge is reduced).  The two processes are linked, whenever one substance is oxidized another has to be reduced.

A 138 mL solution of H3(AsO4) is neutralized by 52.0 mL of a 0.30 M Ag(OH) solution. 0.11M  is the concentration of the H3(AsO4).

Concentration in chemistry is calculated by dividing a constituent's abundance by the mixture's total volume. Mass concentration, concentration in moles, numerical concentration, or volume concentration are four different categories of mathematical description.

Any type of chemical mixture can be referred to by the term "concentration," however solvents and solutes in solutions are most usually mentioned. There are different types of molar (quantity) concentration, including normal concentration or osmotic concentration.

Molarity₁×Volume₁=Molarity₂×Volume₂    

0.30 ×52.0=Molarity₂× 138

Molarity₂ = 15.6/ 138

                =0.11M

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Explanation:

The frequency of 100 MHz is equivalent to a frequency of 100,000,000 Hz (hertz).

Answer: 1 x 10^8 Hz

Explanation:

One:

plants make their own food through a process known as photosynthesis

Two:

Photosynthesis is a process used by plants and other organisms to convert light energy into chemical energy and stored in the form of starch which can be used later

Three:

Photosynthesis converts carbon dioxide and water into oxygen and glucose. Glucose is used as food by the plant and oxygen is a by-product.

Answer:

1. b

2. a

3. b

Explanation:

General characteristic of an organic compound is low melting point. So, option (1) is correct.

Organic compound are any of a large class of compounds in which one or more carbon atoms are covalently bonded to atoms of other elements, most commonly hydrogen, oxygen, or nitrogen. The only carbon-containing compounds not known to be organic include carbides, carbonates, and cyanides. Organic compounds are important because all living things contain carbon. They are the basic building blocks of many cycles that power the earth. For example, there is the carbon cycle, where carbon is exchanged between plants and animals during photosynthesis and cellular respiration.

Organic molecules have lower melting and boiling points because the attractive forces between molecules are weaker, so it does not require much energy to break them apart.

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Refer to the attachment

The  heat that released when 3.00 L of 0.400 m Al(OH)₃ is mixed with 2.00 L of 0.700 m H₂SO₄ is 18.8 kJ.

The balanced equation for the reaction between aluminum hydroxide and sulfuric acid is:

Al(OH)₃ + 3H₂SO₄ → Al₂(SO₄)₃ + 6H₂O

The molarity of aluminum hydroxide and sulfuric acid are 0.400 M and 0.700 M, respectively. The volume of the aluminum hydroxide and sulfuric acid are 3.00 L and 2.00 L, respectively.

To determine the amount of heat released, we need to determine the limiting reactant. We'll compare the amount of aluminum hydroxide to the amount of sulfuric acid.

Al(OH)₃ + 3H₂SO₄ → Al₂(SO₄)₃ + 6H₂O

Moles of Al(OH)₃ = molarity × volume

= 0.400 mol/L × 3.00 L

= 1.20 mol

Moles of H₂SO₄ = molarity × volume

= 0.700 mol/L × 2.00 L

= 1.40 mol

The stoichiometric ratio between Al(OH)₃ and H₂SO₄ is 1:3. Since there are only 1.20 mol of Al(OH)₃ and 1.40 mol of H₂SO₄, aluminum hydroxide is the limiting reactant.

The amount of heat released is determined using the heat of reaction and the limiting reactant.

ΔHrxn = -15.7 kJ/molAl(OH)₃

Since 1 mol of Al(OH)₃ produces 1/3 mol of H₂SO₄, the amount of H₂SO₄ reacted is 1.20 mol × (1/3) = 0.40 mol.

The amount of heat released isq = ΔHrxn × molAl(OH)₃

= -15.7 kJ/mol × 1.20 mol

= -18.8 kJ

Therefore, when 3.00 L of 0.400 M Al(OH)₃ is mixed with 2.00 L of 0.700 M H₂SO₄, 18.8 kJ of heat is released.

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Answer:

-169°C to -104°C

Explanation:

Ethene, also known as ethylene exists in solid, liquid and gaseous states. Ethene is an aliens with condensed structural formula C2H4. Athens is a colourless gas. It is flammable and is also a sweet smelling gas in its pure form. It is the monomer in the production of polyethylene which is of great importance in the plastic industry. In agriculture, it is used to induce the ripening of fruits. It can be hydrated in order to produce ethanol.

The liquid range of ethene refers to the temperatures at which ethene is found in the liquid state of matter. It is actually the difference between the melting point and the boiling points of ethene. Hence the liquid range of ethene is -169°C to -104°C

Answer:

attached here is the diagram of the solution

Explanation:

(1) The two half-cell reactions are:

Cd(s) -> Cd2+(aq) + 2e-

2Ag+(aq) + 2e- -> 2Ag(s)

(2) The net reaction is:

Cd(s) + 2Ag+(aq) -> Cd2+(aq) + 2Ag(s)

In the first half-cell reaction, solid cadmium (Cd) is oxidized to form cadmium ions (Cd2+) and two electrons (2e-). In the second half-cell reaction, silver ions (Ag+) are reduced to form solid silver (Ag) and two electrons (2e-).

To combine the two half-cell reactions and determine the net reaction, the electrons on both sides must be balanced. Since two electrons are produced in the first reaction and two are consumed in the second reaction, they cancel out. Thus, the net reaction involves the solid cadmium reacting with silver ions to form cadmium ions and solid silver.

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Answer:  but thx for the points

Explanation:

sorry i dont know Explanation:

the mass of AgCl produced from 143 g of AgNO3 can be calculated using stoichiometry.


The balanced chemical equation for the reaction between sodium chloride (NaCl) and silver nitrate (AgNO3) is:

NaCl + AgNO3 → AgCl + NaNO3

From the equation, we can see that one mole of AgNO3 reacts with one mole of NaCl to produce one mole of AgCl. Therefore, we need to use the molar mass of AgNO3 to convert 143 g of AgNO3 to moles, and then use the mole ratio between AgNO3 and AgCl to determine the amount of AgCl produced in moles. Finally, we can convert the moles of AgCl to grams using the molar mass of AgCl.

Step 1: Convert grams of AgNO3 to moles

molar mass of AgNO3 = 107.87 g/mol

moles of AgNO3 = 143 g / 107.87 g/mol = 1.325 mol

Step 2: Use mole ratio to determine moles of AgCl produced

From the balanced equation, the mole ratio between AgNO3 and AgCl is 1:1. Therefore, the amount of AgCl produced in moles is also 1.325 mol.

Step 3: Convert moles of AgCl to grams

molar mass of AgCl = 143.32 g/mol

mass of AgCl produced = 1.325 mol x 143.32 g/mol = 190.0 g

Therefore, the mass of AgCl produced from 143 g of AgNO3 is 190.0 g (in units of grams).

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Wind power and hydroelectric power are renewable resources whereas, steel, gemstones, apple tress coal and oil etc. are non- renewable sources. Hence, they cannot be regenerated when exhausted.

Renewable sources are resources that can used for longer period or eternal. They can be regenerated and reused even after consumption of the existing amount. Wind power, solar power, hydroelectric power etc. are renewable sources and they are nature genuine.

Non- renewable sources are those which cannot be regenerated once they are exhausted. For example,  petroleum, coal, oil, diesel etc. are non-renewable because, once they completed from the earth, they cannot be regenerated or  excavated.

Non-renewable sources are creating pollution by the production of toxic hydrocarbon gases as well. Gemstones are non renewable because, once they consumed, they cannot be generated.

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