For the question(s) that follow, consider the following balanced equation. Mg₃N₂(s) + 6H₂O(l) → 3Mg(OH)₂(s) + 2NHS1U1B13S1U1B0(g) -When 85.0 g of CH4 are mixed with 160. g of O₂ the limiting reactant is __________. CH4 + 2O₂ → CO₂ + 2H₂O

A) CH4 B) O₂ C) CO₂ D) H₂O A) CH4 B) O₂ C) CO₂ D) H₂O

For the question(s) that follow, consider the following balanced equation. Mg₃N₂(s) + 6H₂O(l) → 3Mg(OH)₂(s) + 2NHS1U1B13S1U1B0(g) -Find the mass of AlCl3 that is produced when 25.0 grams of Al2O₃ react with excess HCl according to the following equation. Al2O₃(s) + 6HCl(aq) → 2AlCl3(aq) + 3H₂O(l)

A) 155 g B) 72.9 g C) 65.4 g D) 32.6 g E) 16.3 g A) 155 g B) 72.9 g C) 65.4 g D) 32.6 g E) 16.3 g

What is the molar mass of sodium phosphate, Na3PO₄?

A) 119.0 g B) 308.0 g C) 164.0 g D) 226.0 g E) 354.0 g A) 119.0 g B) 308.0 g C) 164.0 g D) 226.0 g E) 354.0 g

Exam 6: Chemical Reactions and Quantities

For the question(s) that follow, consider the following balanced equation. Mg₃N₂(s) + 6H₂O(l) → 3Mg(OH)₂(s) + 2NH₃(g) -When 85.0 g of CH₄ are mixed with 160. g of O₂ the limiting reactant is __________. CH₄ + 2O₂ → CO₂ + 2H₂O

(Multiple Choice)

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Question 81

0.100 mole of lithium weighs

(Multiple Choice)

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Question 82

When 10.0 g of NH₃ reacts, the actual yield of N₂ is 8.50 g. What is the percent yield? 4NH₃ (g) + 6NO(g) → 5N₂ (g) + 6H₂O(l)

(Multiple Choice)

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Question 83

For the question(s) that follow, consider the following balanced equation. Mg₃N₂(s) + 6H₂O(l) → 3Mg(OH)₂(s) + 2NH₃(g) -Find the mass of AlCl₃ that is produced when 25.0 grams of Al₂O₃ react with excess HCl according to the following equation. Al₂O₃(s) + 6HCl(aq) → 2AlCl₃(aq) + 3H₂O(l)

(Multiple Choice)

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Question 84

What type of reaction is the following? Zn + 2HCl → ZnCl₂ + H₂

(Short Answer)

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Question 85

For the reaction: 2H₂O(l) + 137 kcal → 2H₂ (g) + O₂ (g) how many kcal are needed to react 50.0 g H₂O(l)?

(Multiple Choice)

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Question 86

Calculate the molar mass of magnesium chloride, MgCl₂.

(Multiple Choice)

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Question 87

For the question(s) that follow, consider the following equation. 2Mg + O₂ → 2MgO -In the reaction of nitrogen gas, N₂, with hydrogen gas, H₂, to form ammonia gas, NH₃ , how many moles of hydrogen are needed to react with two moles of nitrogen?

(Multiple Choice)

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Question 88

In the following reaction, when the equation is correctly balanced, what is the correct coefficient for aluminum chloride? Al(s) + Cl₂(g) → AlCl₃(s)

(Multiple Choice)

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Question 89

Identify the letter of the diagram corresponding to the given type of reaction. A. B. -endothermic reaction

(Multiple Choice)

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Question 90

The molar mass of chlorine gas is 35.5 g.

(True/False)

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Question 91

What is the molar mass of sodium phosphate, Na₃PO₄?

(Multiple Choice)

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Question 92

In an oxidation-reduction reaction, the substance reduced always

(Multiple Choice)

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Question 93

Acetylene gas, C₂H₂, reacts with oxygen according to the following equation. If 1.00 mole of acetylene reacts completely with sufficient oxygen, how many moles of carbon dioxide are produced? 2C₂H₂ + 5O₂ → 4CO₂ + 2H₂O

(Short Answer)

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Question 94

Which of the following is an oxidation-reduction reaction?

(Multiple Choice)

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Question 95

What is the classification for this unbalanced reaction? Fe + HCl → FeCl₃ + H₂

(Multiple Choice)

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Question 96

Identify the energy associated with each of the labeled parts of the following diagram. -Region C A) heat of reaction B) activation energy C) energy of reactants D) energy of products

(Short Answer)

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Question 97

The molar mass of copper(II) nitrate, Cu(NO₃)₂is __________.

(Short Answer)

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Question 98

What type of reaction is the following? 2KClO₃O₃ → 2KCl + 3O₂

(Short Answer)

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Question 99

3.00 moles of NO₂ have a mass of

(Multiple Choice)

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Question 100

Showing 81 - 100 of 115

Exam 6: Chemical Reactions and Quantities

For the question(s) that follow, consider the following balanced equation. Mg₃N₂(s) + 6H₂O(l) → 3Mg(OH)₂(s) + 2NH3(g) -When 85.0 g of CH4 are mixed with 160. g of O₂ the limiting reactant is __________. CH4 + 2O₂ → CO₂ + 2H₂O

0.100 mole of lithium weighs

When 10.0 g of NH3 reacts, the actual yield of N₂ is 8.50 g. What is the percent yield? 4NH3 (g) + 6NO(g) → 5N₂ (g) + 6H₂O(l)

What type of reaction is the following? Zn + 2HCl → ZnCl₂ + H₂

For the reaction: 2H₂O(l) + 137 kcal → 2H₂ (g) + O₂ (g) how many kcal are needed to react 50.0 g H₂O(l)?

Calculate the molar mass of magnesium chloride, MgCl₂.

For the question(s) that follow, consider the following equation. 2Mg + O₂ → 2MgO -In the reaction of nitrogen gas, N₂, with hydrogen gas, H₂, to form ammonia gas, NH3 , how many moles of hydrogen are needed to react with two moles of nitrogen?

In the following reaction, when the equation is correctly balanced, what is the correct coefficient for aluminum chloride? Al(s) + Cl₂(g) → AlCl3(s)

Identify the letter of the diagram corresponding to the given type of reaction. A. B. -endothermic reaction

The molar mass of chlorine gas is 35.5 g.

What is the molar mass of sodium phosphate, Na3PO₄?

In an oxidation-reduction reaction, the substance reduced always

Acetylene gas, C2H₂, reacts with oxygen according to the following equation. If 1.00 mole of acetylene reacts completely with sufficient oxygen, how many moles of carbon dioxide are produced? 2C2H₂ + 5O₂ → 4CO₂ + 2H₂O

Which of the following is an oxidation-reduction reaction?

What is the classification for this unbalanced reaction? Fe + HCl → FeCl3 + H₂

Identify the energy associated with each of the labeled parts of the following diagram. -Region C A) heat of reaction B) activation energy C) energy of reactants D) energy of products

The molar mass of copper(II) nitrate, Cu(NO₃)₂is __________.

What type of reaction is the following? 2KClO₃O₃ → 2KCl + 3O₂

3.00 moles of NO₂ have a mass of

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For the question(s) that follow, consider the following balanced equation. Mg₃N₂(s) + 6H₂O(l) → 3Mg(OH)₂(s) + 2NH₃(g) -When 85.0 g of CH₄ are mixed with 160. g of O₂ the limiting reactant is __________. CH₄ + 2O₂ → CO₂ + 2H₂O

When 10.0 g of NH₃ reacts, the actual yield of N₂ is 8.50 g. What is the percent yield? 4NH₃ (g) + 6NO(g) → 5N₂ (g) + 6H₂O(l)

For the question(s) that follow, consider the following equation. 2Mg + O₂ → 2MgO -In the reaction of nitrogen gas, N₂, with hydrogen gas, H₂, to form ammonia gas, NH₃ , how many moles of hydrogen are needed to react with two moles of nitrogen?

In the following reaction, when the equation is correctly balanced, what is the correct coefficient for aluminum chloride? Al(s) + Cl₂(g) → AlCl₃(s)

What is the molar mass of sodium phosphate, Na₃PO₄?

Acetylene gas, C₂H₂, reacts with oxygen according to the following equation. If 1.00 mole of acetylene reacts completely with sufficient oxygen, how many moles of carbon dioxide are produced? 2C₂H₂ + 5O₂ → 4CO₂ + 2H₂O

What is the classification for this unbalanced reaction? Fe + HCl → FeCl₃ + H₂