Question 1

Classify the following reaction.

Accepted Answer

A)   combination
B)   decomposition
C)   combustion
D)   exchange
E)   displacement D

Question 2

Stoichiometric coefficients found in a balanced equation can be used to derive _____________ ratios.

Accepted Answer

mole

Question 3

In the reaction given, how many grams of oxygen will completely react with 18.0 g of water?

Accepted Answer

16.0

Question 4

The Roman numerals in the reaction given represent the coefficients in the balanced chemical equation. What are the values of the coefficients?

Accepted Answer

A)   
B)   
C)   
D)   
E)

Question 5

Classify the following reaction.

Accepted Answer

A)   combustion
B)   exchange
C)   combination
D)   decomposition
E)   displacement

Question 6

Classify the following reaction.

Accepted Answer

A)   exchange
B)   decomposition
C)   displacement
D)   combustion
E)   combination

Question 7

How many grams of CuCl are formed from the complete reaction of 0.750 mol Cu?

Accepted Answer

A)   148.5 g
B)   101 g
C)   74.5 g
D)   43.6 g
E)   32.2 g

Question 8

Classify the following reaction.

Accepted Answer

A)   combustion
B)   exchange
C)   combination
D)   decomposition
E)   displacement

Question 9

How many grams of MgI2 are produced by the reaction of 25.0 g of Mg with 25.0 g of I2?

Accepted Answer

A)   9.20 g
B)   18.4 g
C)   27.4 g
D)   49.0 g
E)   195 g

Question 10

How many grams of TiCl4 are needed to produce 0.132 moles of MgCl2?

Accepted Answer

A)   6.26 g
B)   12.5 g
C)   12.6 g
D)   25.0 g
E)   50.1 g

Question 11

Classify the following reaction.

Accepted Answer

A)   combustion
B)   exchange
C)   combination
D)   decomposition
E)   displacement

Question 12

The Roman numerals in the reaction given represent the coefficients in the balanced chemical equation. What are the values of the coefficients?

Accepted Answer

A)   
B)   
C)   
D)   
E)

Question 13

What is the theoretical yield (in grams of NaCl) when 0.750 mol of sodium reacts with excess chlorine to produce NaCl?

Accepted Answer

The answer of What is the theoretical yield (in grams...

Question 14

In the reaction given below, how many grams of water are consumed if 4.0 g of hydrogen gas and 32.0 g of oxygen gas are produced?

Accepted Answer

A)   2.0 g
B)   4.0 g
C)   18.0 g
D)   20.0 g
E)   36.0 g

Question 15

The Roman numerals in the reaction given represent the coefficients in the balanced chemical equation. What are the values of the coefficients?

Accepted Answer

A)   
B)   
C)   
D)   
E)

Question 16

How many grams of KClO3 are needed to produce of 4.26 moles of O2?

Accepted Answer

A)   136 g
B)   174 g
C)   348 g
D)   522 g
E)   783 g

Question 17

Classify the following reaction.

Accepted Answer

A)   combustion
B)   exchange
C)   combination
D)   decomposition
E)   displacement

Question 18

The complete combustion of a hydrocarbon produces 90.36 g of CO2 and 46.25 g of H2O. What is the empirical formula of the hydrocarbon?

Accepted Answer

A)   CH
B)   CH2
C)   C2H5
D)   C3H8
E)   C3H4

Question 19

How many moles of O2 will be produced by the decomposition of 32.0 grams of hydrogen peroxide, H2O2?

Accepted Answer

A)   34.0 mol
B)   0.470 mol
C)   0.941 mol
D)   1.88 mol
E)   544 mol

Question 20

Classify the following reaction.

Accepted Answer

A)   decomposition
B)   exchange
C)   combination
D)   displacement
E)   combustion

Exam 4: Quantities of Reactants and Products

Classify the following reaction.

Stoichiometric coefficients found in a balanced equation can be used to derive _____________ ratios.

In the reaction given, how many grams of oxygen will completely react with 18.0 g of water?

The Roman numerals in the reaction given represent the coefficients in the balanced chemical equation. What are the values of the coefficients?

Classify the following reaction.

Classify the following reaction.

How many grams of CuCl are formed from the complete reaction of 0.750 mol Cu?

Classify the following reaction.

How many grams of MgI₂ are produced by the reaction of 25.0 g of Mg with 25.0 g of I₂?

How many grams of TiCl₄ are needed to produce 0.132 moles of MgCl₂?

Classify the following reaction.

The Roman numerals in the reaction given represent the coefficients in the balanced chemical equation. What are the values of the coefficients?

What is the theoretical yield (in grams of NaCl) when 0.750 mol of sodium reacts with excess chlorine to produce NaCl?

In the reaction given below, how many grams of water are consumed if 4.0 g of hydrogen gas and 32.0 g of oxygen gas are produced?

The Roman numerals in the reaction given represent the coefficients in the balanced chemical equation. What are the values of the coefficients?

How many grams of KClO₃ are needed to produce of 4.26 moles of O₂?

Classify the following reaction.

The complete combustion of a hydrocarbon produces 90.36 g of CO₂ and 46.25 g of H₂O. What is the empirical formula of the hydrocarbon?

How many moles of O₂ will be produced by the decomposition of 32.0 grams of hydrogen peroxide, H₂O₂?

Classify the following reaction.