Voltaic and Electrolytic Cells

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

• Electrical to chemical

• Mechanical to chemical

• Mechanical to electrical

• Chemical to electrical

Tags

NGSS.HS-PS3-2

Select the true statements about voltaic (or galvanic) cells.

• cathode gains mass

• positive ions migrate through the salt bridge towards the cathode

• reduction occurs at anode

• free electrons originate from the cathode

This set of apparatus is used to..?

• Generate electricity

• Put iron onto the silver plate

• put a layer of silver onto the iron spoon

• remove impurities of the spoon

Tags

NGSS.HS-ETS1-3

Oxidation occurs at the anode in ...

• A voltaic Cell

• A Electrolytic Cell

• Both voltaic and Electrolytic cells

Tags

NGSS.HS-PS2-5

In electroplating, the object to be plated is the

• cathode

• anode

Tags

NGSS.HS-PS2-5

A voltaic cell is made by connecting these two half-cells below. Which reaction must be "flipped"?

• Mn

• Pb

• both

• none

What is the voltage of the voltaic cell made from these two half-reactions?

• 1.06 V

• -1.06 V

• 1.32 V

• -1.32 V

Calculate the cell potential of voltaic cell

• –1.51
• - 0.03
• +0.03
• +1.51

What is the equation and cell potential?

• 2Al³⁺ + 3Ni → 2Al + 3Ni²⁺ E^O = 1.89 V

• 2Al + 3Ni²⁺ → 2Al³⁺ + 3Ni E^O = 1.89 V

• 2Al³⁺ + 3Ni → 2Al + 3Ni²⁺ E^O = 1.43 V

• 2Al + 3Ni²⁺ → 2Al³⁺ + 3Ni E^O = 1.43 V

Tags

NGSS.HS-PS1-2

NGSS.HS-PS1-4

What is cell potential?

• 0.67
• 0.93
• 1.47
• 1.73

Tags

NGSS.HS-PS1-4

NGSS.HS-PS3-1