Electrochemistry

What is electrolysis?

• breaking down of a compound using a current

• making a compound using a current

Tags

NGSS.HS-PS2-5

Explain why the electrolyte has to be a aqueous or molten state

• So the ions can move

• So the electrons can move

In a chemical cell, chemical energy change to ________ energy

• electrical

• chemical

`1. ________ energy is converted into _______ energy through electrolysis process.

• Electrical, chemical

• Chemical, electrical

• Chemical, kinetic

• Kinetic, chemical

Chemical cell

• voltage cell

• current cell

• galvanometer cell

• electrolyte cell

Tags

NGSS.HS-PS2-5

Example of electrolyte:

• Molten glukosa

• Molten lead(II bromide

• Acetamide

• Molten sulphur

Tags

NGSS.HS-PS2-5

4. _____________ which is the electrode connected to a negative terminal of electrical resources

5.___ is the decomposition process of a compound in molten or aqueous state to its constituent element when the electric current flows through it

• Electrolitic

• Electrolite

• Electrolysis

• Electrode

Tags

NGSS.HS-PS2-5

NGSS.HS-PS1-3

Electrolyte cannot produce electricity in ________condition because no free ion is to flow the current.

• solid

• liquid

• aqueous

• gas

Tags

NGSS.HS-PS2-5

8. In the electrochemical series, metals are arranged according to its atomic tendency to donate___

• proton

• electron

• neutron

• nucleus

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2