Question 1

The anode terminal in a voltaic cell is the _____ terminal.

Accepted Answer

A)  -) 
B)  +) 
C)  Neutral

Question 2

Automobiles from northern states tend to show more signs of rust formation than southern states. The reason for this is that the rate of corrosion is affected by _____, which is more common during winter months especially in northern states.

Accepted Answer

A)  the cold air and clouds 
B)  rain clouds 
C)  snow, ice, and salt mixtures

Question 3

Which of the following acids is a strong oxidant?

Accepted Answer

A)  HCl 
B)  HNO3 
C)  HI

Question 4

Electron flow in a voltaic cell is always from _____ to _____.

Accepted Answer

A)  anode to cathode 
B)  cathode to anode 
C)  anode to negative terminal

Question 5

The process of corrosion involves what type of reaction?

Accepted Answer

A)  double displacement reaction 
B)  acid-base reaction 
C)  redox reaction

Question 6

In a voltaic cell, oxidation occurs at the _____.

Accepted Answer

A)  anode terminal 
B)  cathode terminal 
C)  positive terminal

Question 7

A voltaic cell must be split into two separate cells, an oxidation and reduction half-cells. The two half-cells must be connected by a _____ so ions can freely flow between the two half-cells to balance the charges or the voltaic cell cannot function.

Accepted Answer

A)  metallic wire 
B)  salt bridge 
C)  membrane

Question 8

Certain anaerobic organisms such as methanogens have the ability to metabolize carbon dioxide into methane in the presence of hydrogen. Methane is produced by the oxidation of _____?

Accepted Answer

A)  H2 
B)  CO2 
C)  CH4

Question 9

In a voltaic cell, electrons are produced at the _____.

Accepted Answer

A)  positive terminal 
B)  anode terminal 
C)  cathode terminal

Question 10

Based on the reduction potential data, what is the standard cell potential for the following electrochemical cell reaction: Zns) + Cu2+aq) $\rightarrow$ Zn2+aq) + Cus)?  E°red = -0.763 V for Zn2+aq) + 2e- $\rightarrow$  Zns)
E°red = +0.340 V for Cu2+aq) + 2e- $\rightarrow$  Cus)

Accepted Answer

A)  +1.103 V 
B)  -0.423 V 
C)  +0.423 V

Exam 17: Electrochemistry

The anode terminal in a voltaic cell is the _____ terminal.

Automobiles from northern states tend to show more signs of rust formation than southern states. The reason for this is that the rate of corrosion is affected by _____, which is more common during winter months especially in northern states.

Which of the following acids is a strong oxidant?

Electron flow in a voltaic cell is always from _ to _.

The process of corrosion involves what type of reaction?

In a voltaic cell, oxidation occurs at the _____.

A voltaic cell must be split into two separate cells, an oxidation and reduction half-cells. The two half-cells must be connected by a _____ so ions can freely flow between the two half-cells to balance the charges or the voltaic cell cannot function.

Certain anaerobic organisms such as methanogens have the ability to metabolize carbon dioxide into methane in the presence of hydrogen. Methane is produced by the oxidation of _____?

In a voltaic cell, electrons are produced at the _____.

Based on the reduction potential data, what is the standard cell potential for the following electrochemical cell reaction: Zns) + Cu²⁺aq) $\rightarrow$ Zn²⁺aq) + Cus) ? E°_red = -0.763 V for Zn²⁺aq) + 2e^- $\rightarrow$ Zns) E°_red = +0.340 V for Cu²⁺aq) + 2e^- $\rightarrow$ Cus)

Exam 17: Electrochemistry

The anode terminal in a voltaic cell is the _____ terminal.

Automobiles from northern states tend to show more signs of rust formation than southern states. The reason for this is that the rate of corrosion is affected by _____, which is more common during winter months especially in northern states.

Which of the following acids is a strong oxidant?

Electron flow in a voltaic cell is always from _____ to _____.

The process of corrosion involves what type of reaction?

In a voltaic cell, oxidation occurs at the _____.

A voltaic cell must be split into two separate cells, an oxidation and reduction half-cells. The two half-cells must be connected by a _____ so ions can freely flow between the two half-cells to balance the charges or the voltaic cell cannot function.

Certain anaerobic organisms such as methanogens have the ability to metabolize carbon dioxide into methane in the presence of hydrogen. Methane is produced by the oxidation of _____?

In a voltaic cell, electrons are produced at the _____.

Based on the reduction potential data, what is the standard cell potential for the following electrochemical cell reaction: Zns) + Cu2+aq) →\rightarrow→ Zn2+aq) + Cus) ? E°red = -0.763 V for Zn2+aq) + 2e- →\rightarrow→ Zns) E°red = +0.340 V for Cu2+aq) + 2e- →\rightarrow→ Cus)

Electron flow in a voltaic cell is always from _ to _.

Based on the reduction potential data, what is the standard cell potential for the following electrochemical cell reaction: Zns) + Cu²⁺aq) $\rightarrow$ Zn²⁺aq) + Cus) ? E°_red = -0.763 V for Zn²⁺aq) + 2e^- $\rightarrow$ Zns) E°_red = +0.340 V for Cu²⁺aq) + 2e^- $\rightarrow$ Cus)