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

Tags

NGSS.HS-PS2-5

What is a voltmeter?

• 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

Different pairs of metals produce different voltages.

• True

• False

The circuit must be complete for the electrons to flow.

• True

• False

Electrons will flow from the element higher in the Electrochemical Series to the one lower in the Electrochemical Series in a spontaneous chemical reaction

• True

• False

Which cell is not spontaneous?

• voltaic
• electrolytic

Atoms of which element can most easily be oxidized?

• Copper
• Zinc
• Iron
• Calcium

Tags

NGSS.HS-PS1-2

The electrolysis of molten sodium chloride produces:

• hydrochloric acid
• sodium metal and chlorine gas
• chlorine gas and aqueous sodium hydroxide
• glucose

Tags

NGSS.HS-PS3-5

Reactions in voltaic cells are

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