A) the calculation of the number of atoms conserved in the desired product rather than in waste. B) counting the atoms in the starting material and product. C) having green by-products. D) having green starting materials. A) the calculation of the number of atoms conserved in the desired product rather than in waste. B) counting the atoms in the starting material and product. C) having green by-products. D) having green starting materials.

Exam 5: Chemical Accounting

Ammonia can be prepared by the reaction of magnesium nitride with water.The products are ammonia and magnesium hydroxide.When the equation is written and balanced,the coefficient of magnesium nitride is

(Multiple Choice)

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Question 21

When the equation below is balanced,the coefficient of copper(II)nitrate is: Cu + AgNO₃ → Cu(NO₃)₂ + Ag

(Multiple Choice)

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Question 22

What is the best way to measure the efficiency of a reaction?

(Multiple Choice)

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Question 23

Tin was among the first metals used by humans.Elemental tin is produced by heating tin(IV)oxide,the principal ore of tin,with carbon.The products of this reaction are tin and carbon dioxide.When the equation is written and balanced,the coefficient of carbon is

(Multiple Choice)

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Question 24

The molarity (M)of a solution is the number of moles of solute per liter of solution.

(True/False)

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Question 25

Atom economy is

(Multiple Choice)

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Question 26

Ammonia can be prepared by the reaction of magnesium nitride with water.The products are ammonia and magnesium hydroxide.When the equation is written and balanced,the coefficient of magnesium hydroxide is

(Multiple Choice)

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Question 27

When the equation below is balanced,the coefficient of the hydrogen cyanide,HCN,is: NaCN + H₂SO₄ → Na₂SO₄ + HCN

(Multiple Choice)

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Question 28

Balance the equation: Cu + AgNO₃ → Cu(NO₃)₂ + Ag

(Short Answer)

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Question 29

A liter of solid carbon and a liter of oxygen gas at the same temperature and pressure react to produce carbon dioxide.Using the law of combining volumes,how many liters of carbon dioxide will be produced?

(Multiple Choice)

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Question 30

Solid lithium hydride reacts with water to form aqueous lithium hydroxide and hydrogen gas.When this equation is written and balanced,the coefficient of lithium hydride is

(Multiple Choice)

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Question 31

The molar mass of N₂O is 44 u.

(True/False)

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Question 32

Which of the following is correct,according to Avogadro's hypothesis?

(Multiple Choice)

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Question 33

Calculate the number of moles of sodium chloride needed to make 4.0 L of a 3.0 M solution.

(Multiple Choice)

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Question 34

Ammonia can be prepared by the reaction of magnesium nitride with water.The products are ammonia and magnesium hydroxide.Write and balance the equation.

(Short Answer)

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Question 35

Acetylene (C₂H₂)burns in pure oxygen with a very hot flame.The products of this reaction are carbon dioxide and water.How much oxygen is required to react with 52.0 g of acetylene?

(Multiple Choice)

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Question 36

Balance the equation: AlCl₃ + H₂SO₄ → Al₂(SO₄)₃ + HCl.

(Short Answer)

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Question 37

The reactants are the starting materials in a reaction.

(True/False)

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Question 38

Ammonia can be prepared by the reaction of magnesium nitride with water.The products are ammonia and magnesium hydroxide.When the equation is written and balanced,the coefficient of water is

(Multiple Choice)

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Question 39

The molarity of a solution that contains 8.0 g of NaOH in a liter of solution is

(Multiple Choice)

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Question 40

Showing 21 - 40 of 103

Exam 5: Chemical Accounting

Ammonia can be prepared by the reaction of magnesium nitride with water.The products are ammonia and magnesium hydroxide.When the equation is written and balanced,the coefficient of magnesium nitride is

When the equation below is balanced,the coefficient of copper(II)nitrate is: Cu + AgNO₃ → Cu(NO₃)₂ + Ag

What is the best way to measure the efficiency of a reaction?

Tin was among the first metals used by humans.Elemental tin is produced by heating tin(IV)oxide,the principal ore of tin,with carbon.The products of this reaction are tin and carbon dioxide.When the equation is written and balanced,the coefficient of carbon is

The molarity (M)of a solution is the number of moles of solute per liter of solution.

Atom economy is

Ammonia can be prepared by the reaction of magnesium nitride with water.The products are ammonia and magnesium hydroxide.When the equation is written and balanced,the coefficient of magnesium hydroxide is

When the equation below is balanced,the coefficient of the hydrogen cyanide,HCN,is: NaCN + H₂SO₄ → Na₂SO₄ + HCN

Balance the equation: Cu + AgNO₃ → Cu(NO₃)₂ + Ag

A liter of solid carbon and a liter of oxygen gas at the same temperature and pressure react to produce carbon dioxide.Using the law of combining volumes,how many liters of carbon dioxide will be produced?

Solid lithium hydride reacts with water to form aqueous lithium hydroxide and hydrogen gas.When this equation is written and balanced,the coefficient of lithium hydride is

The molar mass of N₂O is 44 u.

Which of the following is correct,according to Avogadro's hypothesis?

Calculate the number of moles of sodium chloride needed to make 4.0 L of a 3.0 M solution.

Ammonia can be prepared by the reaction of magnesium nitride with water.The products are ammonia and magnesium hydroxide.Write and balance the equation.

Acetylene (C₂H₂)burns in pure oxygen with a very hot flame.The products of this reaction are carbon dioxide and water.How much oxygen is required to react with 52.0 g of acetylene?

Balance the equation: AlCl₃ + H₂SO₄ → Al₂(SO₄)₃ + HCl.

The reactants are the starting materials in a reaction.

Ammonia can be prepared by the reaction of magnesium nitride with water.The products are ammonia and magnesium hydroxide.When the equation is written and balanced,the coefficient of water is

The molarity of a solution that contains 8.0 g of NaOH in a liter of solution is

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