If the percent yield for the following reaction is 75.0%,and 45.0 g of NO2 are consumed in the reaction,how many grams of nitric acid,HNO3(aq),are produced? 3 NO2(g)+ H2O(l)→ 2 HNO3(aq)+ NO(g)

A) 30.8 g B) 41.1 g C) 54.8 g D) 69.3 g A) 30.8 g B) 41.1 g C) 54.8 g D) 69.3 g

Lithium and nitrogen react to produce lithium nitride: 6 Li(s)+ N2(g)→ 2Li3N(s) How many moles of N2 Are needed to react with 0.500 mol of lithium?

A) 3.00 mol B) 0.500 mol C) 0.167 mol D) 1.50 mol E) 0.0833 mol A) 3.00 mol B) 0.500 mol C) 0.167 mol D) 1.50 mol E) 0.0833 mol

Automotive air bags inflate when sodium azide decomposes explosively to its constituent elements: 2NaN3(s)→ 2 Na(s)+ 3N2(g) How many grams of sodium azide are required to produce 33.0 g of nitrogen?

A) 1.77 g B) 0.785 g C) 76.6 g D) 51.1 g E) 114.9 g A) 1.77 g B) 0.785 g C) 76.6 g D) 51.1 g E) 114.9 g

Calcium oxide reacts with water in a combination reaction to produce calcium hydroxide: CaO(s)+ H2O(l)→ Ca(OH)2(s) In a particular experiment,a 5.00 g sample of CaO is reacted with excess water and 6.11 g of Ca(OH)2 Is recovered.What is the percent yield in this experiment?

A) 122% B) 1.22% C) 7.19% D) 92.5% E) 81.9% A) 122% B) 1.22% C) 7.19% D) 92.5% E) 81.9%

In the reaction: 4 Zn + K2Cr2O7 + 7 H2SO4→ 4 ZnSO4 + 2 CrSO4 +K2SO4 + 7 H2O,if the extent of reaction,x,is 0.0393,how many grams of potassium dichromate is required?

A) 13.9 g B) 3.48 g C) 46.3 g D) 6.35 g E) 11.6 g A) 13.9 g B) 3.48 g C) 46.3 g D) 6.35 g E) 11.6 g

Automotive air bags inflate when sodium azide decomposes explosively to its constituent elements: 2NaN3(s)→ 2 Na(s)+ 3N2(g) How many moles of N2 Are produced by the decomposition of 2.88 mol of sodium azide?

A) 1.92 B) 8.64 C) 4.32 D) 0.960 E) 1.44 A) 1.92 B) 8.64 C) 4.32 D) 0.960 E) 1.44

Calcium oxide reacts with water in a combination reaction to produce calcium hydroxide: CaO(s)+ H2O(l)→ Ca(OH)2 A 4.50 g sample of CaO is reacted with 4.34 g of H2O O.How many grams of water remain after the reaction is complete?

A) 0.00 B) 0.00892 C) 2.90 D) 1.04 E) 0.161 A) 0.00 B) 0.00892 C) 2.90 D) 1.04 E) 0.161

What is the molarity of a sucrose solution (C12H22O11)if 110.0 g of a 92.0% pure solid is dissolved per 250.0 mL of water?

A) 0.296 M B) 1.29 M C) 0.321 M D) 1.40 M E) 1.18 M A) 0.296 M B) 1.29 M C) 0.321 M D) 1.40 M E) 1.18 M

In the reaction: 4 Zn + K2Cr2O7 + 7 H2SO4→ 4 ZnSO4 + 2 CrSO4 +K2SO4 + 7 H2O,if 25.4 g of zinc sulfate is to be made,how many grams of potassium dichromate is required?

A) 13.9 g B) 3.48 g C) 46.3 g D) 6.35 g E) 11.6 g A) 13.9 g B) 3.48 g C) 46.3 g D) 6.35 g E) 11.6 g

How many grams of iron(II)sulfide is required to make 225 g of sulfuric acid,H2SO4? The reactions involved are given below. 4 FeS + 7O2 → 2 Fe2O3 + 4 SO2 2 SO2 + O2 → 2 SO3 SO3 + H2O → H2SO4

A) 101 g B) 251 g C) 126 g D) 202 g E) 502 g A) 101 g B) 251 g C) 126 g D) 202 g E) 502 g

Exam 4: Chemical Reactions

When 11.0 g of calcium metal is reacted with water,5.00 g of calcium hydroxide is produced.Using the following balanced equation,calculate the percent yield for the reaction. Ca(s)+ 2 H₂O(l)→ Ca(OH)₂(aq)+ H₂(g)

Free

(Multiple Choice)

4.9/5

(33)

Question 1

Correct Answer:

Verified

(aq)indicates that the compound is dissolved in alcohol.

Free

(True/False)

4.9/5

(37)

Question 2

Correct Answer:

Verified

False

How many grams of a solid mixture containing strontium chloride would one need to make 558 mL of a 0.100 M strontium chloride solution,if the solid mixture contains 58.6% strontium chloride by weight?

Free

(Multiple Choice)

4.8/5

(29)

Question 3

Correct Answer:

Verified

How many grams of H₂ gas can be produced by the reaction of 54.0 grams of Al(s)with an excess of dilute hydrochloric acid in the reaction shown below? 2 Al(s)+ 6 HCl(aq)→ 2 AlCl₃(aq)+ 3 H₂(g)

(Multiple Choice)

4.8/5

(36)

Question 4

The reactant that is in excess determines the amount of products formed.

(True/False)

4.7/5

(32)

Question 5

If the percent yield for the following reaction is 75.0%,and 45.0 g of NO₂ are consumed in the reaction,how many grams of nitric acid,HNO₃(aq),are produced? 3 NO₂(g)+ H₂O(l)→ 2 HNO₃(aq)+ NO(g)

(Multiple Choice)

4.8/5

(34)

Question 6

Lithium and nitrogen react to produce lithium nitride: 6 Li(s)+ N₂(g)→ 2Li₃N(s) How many moles of N₂ Are needed to react with 0.500 mol of lithium?

(Multiple Choice)

4.7/5

(40)

Question 7

How many grams of NaOH (MW = 40.0 g mol^-1)are there in 250.0 mL of a 0.275 mol L^-1 NaOH solution?

(Short Answer)

4.9/5

(35)

Question 8

What is the concentration of HCl in the final solution when 65 mL of a 12 mol L^-1 HCl(aq)solution is diluted with pure water to a total volume of 0.15 L?

(Multiple Choice)

4.9/5

(36)

Question 9

Automotive air bags inflate when sodium azide decomposes explosively to its constituent elements: 2NaN₃(s)→ 2 Na(s)+ 3N₂(g) How many grams of sodium azide are required to produce 33.0 g of nitrogen?

(Multiple Choice)

4.8/5

(38)

Question 10

Calcium oxide reacts with water in a combination reaction to produce calcium hydroxide: CaO(s)+ H₂O(l)→ Ca(OH)₂(s) In a particular experiment,a 5.00 g sample of CaO is reacted with excess water and 6.11 g of Ca(OH)₂ Is recovered.What is the percent yield in this experiment?

(Multiple Choice)

4.8/5

(32)

Question 11

In the reaction: 4 Zn + K₂Cr₂O₇ + 7 H₂SO₄→ 4 ZnSO₄ + 2 CrSO₄ +K₂SO₄ + 7 H₂O,if the extent of reaction,x,is 0.0393,how many grams of potassium dichromate is required?

(Multiple Choice)

4.8/5

(35)

Question 12

Automotive air bags inflate when sodium azide decomposes explosively to its constituent elements: 2NaN₃(s)→ 2 Na(s)+ 3N₂(g) How many moles of N₂ Are produced by the decomposition of 2.88 mol of sodium azide?

(Multiple Choice)

4.8/5

(38)

Question 13

A student dissolved 4.00 g of Co(NO₃)₂ in enough water to make 100 mL of stock solution.He took 4.00 mL of the stock solution and then diluted it with water to give 275 mL of a final solution.How many grams of NO₃^- ion are there in the final solution?

(Multiple Choice)

4.8/5

(38)

Question 14

Calcium oxide reacts with water in a combination reaction to produce calcium hydroxide: CaO(s)+ H₂O(l)→ Ca(OH)₂ A 4.50 g sample of CaO is reacted with 4.34 g of H₂O O.How many grams of water remain after the reaction is complete?

(Multiple Choice)

4.8/5

(30)

Question 15

What is the molarity of a sucrose solution (C₁₂H₂₂O₁₁)if 110.0 g of a 92.0% pure solid is dissolved per 250.0 mL of water?

(Multiple Choice)

4.8/5

(40)

Question 16

In the reaction: 4 Zn + K₂Cr₂O₇ + 7 H₂SO₄→ 4 ZnSO₄ + 2 CrSO₄ +K₂SO₄ + 7 H₂O,if 25.4 g of zinc sulfate is to be made,how many grams of potassium dichromate is required?

(Multiple Choice)

4.9/5

(34)

Question 17

How many grams of iron(II)sulfide is required to make 225 g of sulfuric acid,H₂SO₄? The reactions involved are given below. 4 FeS + 7O₂ → 2 Fe₂O₃ + 4 SO₂ 2 SO₂ + O₂ → 2 SO₃ SO₃ + H₂O → H₂SO₄

(Multiple Choice)

4.8/5

(39)

Question 18

How many millilitres of 0.132 mol L^-1 Solution are needed to neutralize 50.00 mL of 0.0789 mol L^-1 NaOH?

(Multiple Choice)

4.8/5

(33)

Question 19

Sodium metal and water react to form hydrogen and sodium hydroxide.If 5.98 g of sodium react with water to form 0.26 g of hydrogen and 10.40 g of sodium hydroxide,what mass of water was involved in the reaction?

(Multiple Choice)

4.7/5

(35)

Question 20

Showing 1 - 20 of 170

Exam 4: Chemical Reactions

When 11.0 g of calcium metal is reacted with water,5.00 g of calcium hydroxide is produced.Using the following balanced equation,calculate the percent yield for the reaction. Ca(s)+ 2 H2O(l)→ Ca(OH)2(aq)+ H2(g)

(aq)indicates that the compound is dissolved in alcohol.

How many grams of a solid mixture containing strontium chloride would one need to make 558 mL of a 0.100 M strontium chloride solution,if the solid mixture contains 58.6% strontium chloride by weight?

How many grams of H2 gas can be produced by the reaction of 54.0 grams of Al(s)with an excess of dilute hydrochloric acid in the reaction shown below? 2 Al(s)+ 6 HCl(aq)→ 2 AlCl3(aq)+ 3 H2(g)

The reactant that is in excess determines the amount of products formed.

If the percent yield for the following reaction is 75.0%,and 45.0 g of NO2 are consumed in the reaction,how many grams of nitric acid,HNO3(aq),are produced? 3 NO2(g)+ H2O(l)→ 2 HNO3(aq)+ NO(g)

Lithium and nitrogen react to produce lithium nitride: 6 Li(s)+ N2(g)→ 2Li3N(s) How many moles of N2 Are needed to react with 0.500 mol of lithium?

How many grams of NaOH (MW = 40.0 g mol-1)are there in 250.0 mL of a 0.275 mol L-1 NaOH solution?

What is the concentration of HCl in the final solution when 65 mL of a 12 mol L-1 HCl(aq)solution is diluted with pure water to a total volume of 0.15 L?

Automotive air bags inflate when sodium azide decomposes explosively to its constituent elements: 2NaN3(s)→ 2 Na(s)+ 3N2(g) How many grams of sodium azide are required to produce 33.0 g of nitrogen?

Calcium oxide reacts with water in a combination reaction to produce calcium hydroxide: CaO(s)+ H2O(l)→ Ca(OH)2(s) In a particular experiment,a 5.00 g sample of CaO is reacted with excess water and 6.11 g of Ca(OH)2 Is recovered.What is the percent yield in this experiment?

In the reaction: 4 Zn + K2Cr2O7 + 7 H2SO4→ 4 ZnSO4 + 2 CrSO4 +K2SO4 + 7 H2O,if the extent of reaction,x,is 0.0393,how many grams of potassium dichromate is required?

Automotive air bags inflate when sodium azide decomposes explosively to its constituent elements: 2NaN3(s)→ 2 Na(s)+ 3N2(g) How many moles of N2 Are produced by the decomposition of 2.88 mol of sodium azide?

A student dissolved 4.00 g of Co(NO3)2 in enough water to make 100 mL of stock solution.He took 4.00 mL of the stock solution and then diluted it with water to give 275 mL of a final solution.How many grams of NO3- ion are there in the final solution?

Calcium oxide reacts with water in a combination reaction to produce calcium hydroxide: CaO(s)+ H2O(l)→ Ca(OH)2 A 4.50 g sample of CaO is reacted with 4.34 g of H2O O.How many grams of water remain after the reaction is complete?

What is the molarity of a sucrose solution (C12H22O11)if 110.0 g of a 92.0% pure solid is dissolved per 250.0 mL of water?

In the reaction: 4 Zn + K2Cr2O7 + 7 H2SO4→ 4 ZnSO4 + 2 CrSO4 +K2SO4 + 7 H2O,if 25.4 g of zinc sulfate is to be made,how many grams of potassium dichromate is required?

How many grams of iron(II)sulfide is required to make 225 g of sulfuric acid,H2SO4? The reactions involved are given below. 4 FeS + 7O2 → 2 Fe2O3 + 4 SO2 2 SO2 + O2 → 2 SO3 SO3 + H2O → H2SO4

How many millilitres of 0.132 mol L-1 Solution are needed to neutralize 50.00 mL of 0.0789 mol L-1 NaOH?

Sodium metal and water react to form hydrogen and sodium hydroxide.If 5.98 g of sodium react with water to form 0.26 g of hydrogen and 10.40 g of sodium hydroxide,what mass of water was involved in the reaction?

Matter: Its Properties and Measurement

Atoms and the Atomic Theory

Chemical Compounds

Introduction to Reactions in Aqueous Solutions

Gases

Thermochemistry

Electrons in Atoms

The Periodic Table and Some Atomic Properties

Chemical Bonding I: Basic Concepts

Chemical Bonding Ii: Valence Bond and Molecular Orbital Theories

Intermolecular Forces: Liquids and Solids

Spontaneous Change: Entropy and Gibbs Energy

Solutions and Their Physical Properties

Principles of Chemical Equilibrium

Acids and Bases

Additional Aspects of Acidbase Equilibria

Solubility and Complex-Ion Equilibria

Electrochemistry

Chemical Kinetics

Chemistry of the Main-Group Elements I: Groups 1,2,13,and 14

Chemistry of the Main-Group Elements Ii: Groups 18,17,16,15,and Hydrogen

The Transition Elements

Complex Ions and Coordination Compounds

Nuclear Chemistry

Structures of Organic Compounds

Reactions of Organic Compounds

Chemistry of the Living State

Filters

When 11.0 g of calcium metal is reacted with water,5.00 g of calcium hydroxide is produced.Using the following balanced equation,calculate the percent yield for the reaction. Ca(s)+ 2 H₂O(l)→ Ca(OH)₂(aq)+ H₂(g)

How many grams of H₂ gas can be produced by the reaction of 54.0 grams of Al(s)with an excess of dilute hydrochloric acid in the reaction shown below? 2 Al(s)+ 6 HCl(aq)→ 2 AlCl₃(aq)+ 3 H₂(g)

If the percent yield for the following reaction is 75.0%,and 45.0 g of NO₂ are consumed in the reaction,how many grams of nitric acid,HNO₃(aq),are produced? 3 NO₂(g)+ H₂O(l)→ 2 HNO₃(aq)+ NO(g)

Lithium and nitrogen react to produce lithium nitride: 6 Li(s)+ N₂(g)→ 2Li₃N(s) How many moles of N₂ Are needed to react with 0.500 mol of lithium?

How many grams of NaOH (MW = 40.0 g mol^-1)are there in 250.0 mL of a 0.275 mol L^-1 NaOH solution?

What is the concentration of HCl in the final solution when 65 mL of a 12 mol L^-1 HCl(aq)solution is diluted with pure water to a total volume of 0.15 L?

Automotive air bags inflate when sodium azide decomposes explosively to its constituent elements: 2NaN₃(s)→ 2 Na(s)+ 3N₂(g) How many grams of sodium azide are required to produce 33.0 g of nitrogen?

Calcium oxide reacts with water in a combination reaction to produce calcium hydroxide: CaO(s)+ H₂O(l)→ Ca(OH)₂(s) In a particular experiment,a 5.00 g sample of CaO is reacted with excess water and 6.11 g of Ca(OH)₂ Is recovered.What is the percent yield in this experiment?

In the reaction: 4 Zn + K₂Cr₂O₇ + 7 H₂SO₄→ 4 ZnSO₄ + 2 CrSO₄ +K₂SO₄ + 7 H₂O,if the extent of reaction,x,is 0.0393,how many grams of potassium dichromate is required?

Automotive air bags inflate when sodium azide decomposes explosively to its constituent elements: 2NaN₃(s)→ 2 Na(s)+ 3N₂(g) How many moles of N₂ Are produced by the decomposition of 2.88 mol of sodium azide?

A student dissolved 4.00 g of Co(NO₃)₂ in enough water to make 100 mL of stock solution.He took 4.00 mL of the stock solution and then diluted it with water to give 275 mL of a final solution.How many grams of NO₃^- ion are there in the final solution?

Calcium oxide reacts with water in a combination reaction to produce calcium hydroxide: CaO(s)+ H₂O(l)→ Ca(OH)₂ A 4.50 g sample of CaO is reacted with 4.34 g of H₂O O.How many grams of water remain after the reaction is complete?

What is the molarity of a sucrose solution (C₁₂H₂₂O₁₁)if 110.0 g of a 92.0% pure solid is dissolved per 250.0 mL of water?

In the reaction: 4 Zn + K₂Cr₂O₇ + 7 H₂SO₄→ 4 ZnSO₄ + 2 CrSO₄ +K₂SO₄ + 7 H₂O,if 25.4 g of zinc sulfate is to be made,how many grams of potassium dichromate is required?

How many grams of iron(II)sulfide is required to make 225 g of sulfuric acid,H₂SO₄? The reactions involved are given below. 4 FeS + 7O₂ → 2 Fe₂O₃ + 4 SO₂ 2 SO₂ + O₂ → 2 SO₃ SO₃ + H₂O → H₂SO₄

How many millilitres of 0.132 mol L^-1 Solution are needed to neutralize 50.00 mL of 0.0789 mol L^-1 NaOH?