Electrochemical cells

What is an electrolyte?

• The liquid part of the electrochemical cell

• The metal part of the electrochemical cell

• The part that measures the voltage in an electrochemical cell

How do you complete the circuit when using 2 half-cells?

• acid bridge

• base bridge

• salt bridge

The circuit must be complete for the electrons to flow.

• True

• False

What is the name of the negative contact of a battery?

• Anode
• Diode
• Cathode
• Monode

Energy is the ability _____________.

• to do work
• to power things
• to move objects
• to turn on a light

Heat energy is also called ______ energy.

• chemical

• electrical

• mechanical

• thermal

What type of energy is stored in batteries or food?

• Potential energy

• Thermal energy

• Chemical energy

• Mechanical energy

Reactions in voltaic cells are

• spontaneous, redox reactions
• non-spontaneous, redox reactions
• spontaneous, non-redox reactions
• non-spontaneous, non-redox reactions

What is the name of the positive contact of a battery?

• Anode
• Diode
• Cathode
• Monode

Electric current is produced by which kind of reaction?

• Double Displacement

• Combution

• Electrical

• Redox