AP Chemistry, Voltaic Cells

Batteries store energy as _________ energy.

• motion

• solar

• chemical

• electrical

Tags

NGSS.HS-PS1-4

What is the primary function of a voltaic cell?

• To convert chemical energy into electrical energy

• To convert electrical energy into chemical energy

• To store electrical energy

• To measure electrical resistance

Tags

NGSS.HS-PS3-2

In a voltaic cell, which component is responsible for conducting ions between the two half-cells?

• Electrode

• Salt bridge

• Voltmeter

• Battery

Which of the following reactions occurs at the anode of a voltaic cell?

• Oxidation

• Reduction

• Neutralization

• Precipitation

• +1.10 V

• -1.10 V

• +0.42 V

• -0.42 V

Which of the following metals will act as the anode in a voltaic cell composed of zinc and copper?

• Zinc

• Copper

• Both

• Neither

In a voltaic cell, what is the purpose of the salt bridge?

• To allow the flow of electrons

• To maintain electrical neutrality

• To increase the cell potential

• To decrease the cell potential

What is the role of the electrolyte in a voltaic cell?

• To conduct electricity

• To provide a medium for ion exchange

• To act as a catalyst

• To insulate the electrodes

Which of the following best describes the flow of electrons in a voltaic cell?

• From anode to cathode through the external circuit

• From cathode to anode through the external circuit

• From anode to cathode through the salt bridge

• From cathode to anode through the salt bridge

Tags

NGSS.HS-PS2-5

NGSS.HS-PS3-5

What happens to the mass of the anode in a voltaic cell during operation?

• It increases

• It decreases

• It remains the same

• It fluctuates

Tags

NGSS.HS-PS1-7