Batteries

An electrochemical cell that is used to convert chemical energy into electrical energy

• electrolysis
• electrode
• voltaic cell
• anode

Tags

NGSS.HS-PS2-5

The electrode at which reduction occurs

• cathode
• anode
• salt bridge
• electrode

Tags

NGSS.HS-PS2-5

What occurs to the mass of copper electrode in the following reaction?
Zn/Zn+2 // Cu+2/Cu

• increases
• decreases
• remains the same

Tags

NGSS.HS-PS1-7

What occurs to the mass of zinc electrode in the following reaction?
Zn/Zn+2 // Ag+1 / Ag

• increases
• decreases
• remains the same

Tags

NGSS.HS-PS1-7

Which type of electrochemical cell is used as a battery?

• voltaic
• electrolytic

Tags

NGSS.HS-PS3-3

If the cell potential is negative, the reaction is?

•  a success
• spontaneous
• not spontaneous

Galvanic cells convert

• mechanical energy in to electrical energy

• potential energy in to electrical energy

• electrical energy in to chemical energy

• chemical energy in to electrical energy

Tags

NGSS.HS-PS1-4

NGSS.HS-PS3-3

What reaction occurs at the anode?

• Ag⁺ + e^- →Ag
• Ag → Ag⁺ + e^-
• Ni²⁺ + 2e^- → Ni
• Ni → Ni²⁺ + 2e^-

Tags

NGSS.HS-PS1-2

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

• Watts
• Volts
• Amps
• Ohms

What type of battery?

• Silver battery

• Fuel battery

• Dry cell battery

• Lead acid battery