Question 1

The coefficients used to balance chemical equations can be interpreted in terms of atoms, moles, or grams.

Accepted Answer

A) True 
 B)False

Question 2

In a hydrolysis reaction, water is used to split a molecule

Accepted Answer

A) True 
 B)False

Question 3

In the reaction below:

Accepted Answer

A)  CH3CH2OH is oxidized 
B)  CH3CH2OH is reduced 
C)   
D)  CH3CH2OH in neither oxidized nor reduced

Question 4

Write and balance the equation for the complete combustion of cyclohexane (C₆H₁₂)

Accepted Answer

The answer of Write and balance the equation for the...

Question 5

When properly balanced with whole number coefficients, what is the coefficient on N2 ?

Accepted Answer

A)  4 
B)  1 
C)  2 
D)  3

Question 6

The reaction below is an example of a ___ reaction.

Accepted Answer

A)  hydrogenation 
B)  hydrolysis 
C)  dehydration 
D)  hydration

Question 7

Which set of coefficients properly balance the equation below, going from reactants to products?

Accepted Answer

A)  1,2,1,4 
B)  2,1,1,2 
C)  2,2,3,1 
D)  1,2,2,1

Question 8

When $\Delta$G for a reaction is +286 kcal, the reaction is spontaneous.

Accepted Answer

A) True 
 B)False

Question 9

Baking soda (NaHCO₃) can be used as an antacid. It reacts with and neutralizes stomach acid (HCl). The equation for this reaction is as follows: If 10.0 grams of NaHCO₃ is added to 10.0 g of HCl, which is the limiting reactant?

Accepted Answer

The answer of Baking soda (NaHCO₃) can be used as...

Question 10

Draw the products of this reaction

Accepted Answer

The answer of Draw the products of this reaction
 ...

Question 11

Classify the reaction below as involving synthesis, decomposition, single replacement, or double replacement.

Accepted Answer

A)  double replacement 
B)  single replacement 
C)  decomposition 
D)  synthesis

Question 12

Tums tablets are composed of the substance calcium carbonate. Two tablets have a combined mass of 5.0 grams. Calcium carbonate reacts with and neutralizes excess stomach acid (hydrochloric acid). The products of this reaction are: water, calcium chloride, and carbon dioxide. Calculate the moles of carbon dioxide that will be produced by the reaction of hydrochloric acid with 5.0 grams of calcium carbonate.

Accepted Answer

The answer of Tums tablets are composed of the substance...

Question 13

How many moles of aluminum carbonate are required to neutralize 2.68 moles of HCl?

Accepted Answer

The answer of How many moles of aluminum carbonate are...

Question 14

Ethyne, C2H2, used in welding react with oxygen as shown below.
 Which of the following is about this reaction?

Accepted Answer

A)  carbon is oxidized 
B)  the reaction can be classified as a hydration reaction 
C)  C2H2 is the oxidizing agent 
D)  CO2 is the reducing agent

Question 15

Lithium is a metal that reacts vigorously with oxygen. Which set of coefficents balance the equation below?

Accepted Answer

A)  1,2,1 
B)  2,2,1 
C)  1,2,2 
D)  4,1,2

Question 16

Aluminum will react slowly with the oxygen in the air. When the equation below is balanced, with whole number coefficients, what is the coefficient on aluminum oxide?

Accepted Answer

A)  4 
B)  3 
C)  2 
D)  1

Question 17

In the reaction energy diagram below, the activation energy is represented by:

Accepted Answer

A)  c 
B)  a 
C)  d 
D)  c.

Question 18

Balance the equation below and determine the number of moles of oxygen required to completely burn 5.00 moles of propane.

Accepted Answer

A)  5.00 
B)  10.0 
C)  15.0 
D)  25.0

Question 19

___ lower the ___ of a reaction and therefore increase the reaction rate.

Accepted Answer

A)  reactants, temperature 
B)  catalysts, activation energy 
C)  catalysts, concentration 
D)  activation energy, temperature

Question 20

The following equation is an example of a ___ reaction.

Accepted Answer

A)  synthesis 
B)  decomposition 
C)  single replacement 
D)  double replacement

Exam 5: Reactions

The coefficients used to balance chemical equations can be interpreted in terms of atoms, moles, or grams.

In a hydrolysis reaction, water is used to split a molecule

In the reaction below:

Write and balance the equation for the complete combustion of cyclohexane (C₆H₁₂)

When properly balanced with whole number coefficients, what is the coefficient on N₂ ?

The reaction below is an example of a ___ reaction.

Which set of coefficients properly balance the equation below, going from reactants to products?

When $\Delta$ G for a reaction is +286 kcal, the reaction is spontaneous.

Baking soda (NaHCO₃) can be used as an antacid. It reacts with and neutralizes stomach acid (HCl). The equation for this reaction is as follows: If 10.0 grams of NaHCO₃ is added to 10.0 g of HCl, which is the limiting reactant?

Draw the products of this reaction

Classify the reaction below as involving synthesis, decomposition, single replacement, or double replacement.

How many moles of aluminum carbonate are required to neutralize 2.68 moles of HCl?

Ethyne, C₂H₂, used in welding react with oxygen as shown below. Which of the following is about this reaction?

Lithium is a metal that reacts vigorously with oxygen. Which set of coefficents balance the equation below?

Aluminum will react slowly with the oxygen in the air. When the equation below is balanced, with whole number coefficients, what is the coefficient on aluminum oxide?

In the reaction energy diagram below, the activation energy is represented by:

Balance the equation below and determine the number of moles of oxygen required to completely burn 5.00 moles of propane.

_ lower the _ of a reaction and therefore increase the reaction rate.

The following equation is an example of a ___ reaction.

Exam 5: Reactions

The coefficients used to balance chemical equations can be interpreted in terms of atoms, moles, or grams.

In a hydrolysis reaction, water is used to split a molecule

In the reaction below:

Write and balance the equation for the complete combustion of cyclohexane (C6H12)

When properly balanced with whole number coefficients, what is the coefficient on N2 ?

The reaction below is an example of a ___ reaction.

Which set of coefficients properly balance the equation below, going from reactants to products?

When Δ\DeltaΔ G for a reaction is +286 kcal, the reaction is spontaneous.

Baking soda (NaHCO3) can be used as an antacid. It reacts with and neutralizes stomach acid (HCl). The equation for this reaction is as follows: If 10.0 grams of NaHCO3 is added to 10.0 g of HCl, which is the limiting reactant?

Draw the products of this reaction

Classify the reaction below as involving synthesis, decomposition, single replacement, or double replacement.

How many moles of aluminum carbonate are required to neutralize 2.68 moles of HCl?

Ethyne, C2H2, used in welding react with oxygen as shown below. Which of the following is about this reaction?

Lithium is a metal that reacts vigorously with oxygen. Which set of coefficents balance the equation below?

Aluminum will react slowly with the oxygen in the air. When the equation below is balanced, with whole number coefficients, what is the coefficient on aluminum oxide?

In the reaction energy diagram below, the activation energy is represented by:

Balance the equation below and determine the number of moles of oxygen required to completely burn 5.00 moles of propane.

___ lower the ___ of a reaction and therefore increase the reaction rate.

The following equation is an example of a ___ reaction.

Write and balance the equation for the complete combustion of cyclohexane (C₆H₁₂)

When properly balanced with whole number coefficients, what is the coefficient on N₂ ?

When $\Delta$ G for a reaction is +286 kcal, the reaction is spontaneous.

Baking soda (NaHCO₃) can be used as an antacid. It reacts with and neutralizes stomach acid (HCl). The equation for this reaction is as follows: If 10.0 grams of NaHCO₃ is added to 10.0 g of HCl, which is the limiting reactant?

Ethyne, C₂H₂, used in welding react with oxygen as shown below. Which of the following is about this reaction?

_ lower the _ of a reaction and therefore increase the reaction rate.