Electrochemistry

Which energy conversion shown below takes place in an galvanic cell?

• Electrical to chemical
• Mechanical to chemical
• Mechanical to electrical
• Chemical to electrical

Reduction happens at the 

• Spa
  anode
• Cathode
• Salt bridge
• Anode

Oxidation happens at the

• Anode
• Cathode
• Salt bridge
• Voltmeter

This electrode in a voltaic cell loses mass 

• Anode
• Cathode

In a voltaic cell, the half cell that receives cations from the salt bridge is

• Cathode
• Anode

What unit of measurement do we use to measure electrical potential?

• Watts
• Volts
• Amps
• Ohms

In which direction does electricity flow in a voltaic cell (battery)?

• Electrons flow from the cathode to the anode
• Electrons flow from left to right
• Electrons flow from anode to cathode
• Electrons flow from right to left

Which of the metals would be the anode in a battery with these two elements?

• Gold: reduction potential = 1.5 V
• Chlorine: reduction potential = 1.368 V
• Neither could serve as the anode

Which of the metals would be the cathode in a battery with these two elements?

• Gold: reduction potential = 1.5 V
• Chlorine: reduction potential = 1.368 V
• Neither could serve as the anode

What is the formula for Hydrochloric acid?

• HClO
• ClO₃
• HCl
• HCO₃