quiz genchem chapter 7

What is electrochemistry?

• The study of acids and bases

• The study of heat in reactions

• The study of electricity and chemical reactions

• The study of nuclear changes

Oxidation means

• Gaining electrons

• Gaining protons

• Losing electrons

• Losing neutrons

Reduction means

• Gaining electrons

• Losing electrons

• Losing protons

• Gaining neutrons

In a redox reaction, oxidation and reduction

• Occur separately

• Must occur together

• Require a catalyst

• Only occur in gases

The species that gains electrons is the

• Oxidizing agent

• Reducing agent

• Acid

• Base

Which is the anode in a voltaic cell?

• Where reduction occurs

• Where oxidation occurs

• Where electrons are accepted

• Where ions are formed

Which direction do electrons flow in a voltaic cell?

• Cathode to anode

• Anode to cathode

• From salt bridge

• No flow

What device is used to maintain electrical neutrality in a voltaic cell?

• Battery

• Wire

• Salt bridge

• Beaker

What sign is the anode in a voltaic cell?

• Positive

• Neutral

• Negative

• Depends on ions

What is the cell potential measured in?

• Amperes

• Coulombs

• Volts

• Joules