Electrochemical Cell Do Now

Electrical energy is converted to Chemical energy in ...

• A Galvanic/ Voltaic Cell

• A Electrolytic Cell

• Both Galvanic/Voltaic and Electrolytic cells

The reaction is spontaneous in ...

• A Galvanic Cell

• A Electrolytic Cell

• Both Galvanic and Electrolytic cells

This electrode in a voltaic cell gains mass

• Anode

• Cathode

In an electrochemical cell,

Which would be an accurate half-equation at the anode for aluminum?

• Al³⁺ + 3e^- --> Al

• Al --> Al³⁺ + 3e^-

• Al³⁺ --> Al + 3e^-

• Al + 3e^- --> Al³⁺

In the electrolysis of molten sodium chloride sodium metal is produced at the 

• anode
• cathode

A salt bridge is used in...

• A Galvanic Cell

• A Electrolytic Cell

• Both Galvanic and Electrolytic cells

In electrolytic cell, anode will attract...

• Cations
• Anions

The anode is where oxidation occurs in...

• A Galvanic Cell/ voltaic

• A Electrolytic Cell

• Both Galvanic and Electrolytic cells

What occurs during electrolysis of a molten salt?

• Electricity is produced by a spontaneous redox reaction
• Electricity cause a non-spontaneous redox reaction to occur
• Electrons flow through the molten salt
• Electrons are removed from both ions of the molten salt

Tags

NGSS.HS-PS2-5

A student decided to silver-plate a locker key using the apparatus shown. In this cell, the key is the

• anode and is connected to the positive terminal of the power supply
• anode and is connected to the negative terminal of the power supply
• cathode and is connected to the positive terminal of the power supply
• cathode and is connected to the negative terminal of the power supply