Consider a galvanic cell that is set up under standard conditions and allowed to

Question

Consider a galvanic cell that is set up under standard conditions and allowed to react. How many of the following responses are true?

1. Electrons are produced spontaneously at the anode electrode
2. Electrons will flow from the cathode half cell to the anode half cell
3. The mass of the cathode electrode will increase as the galvanic cell approaches being "dead"
4. The salt bridge acts as a second pathway for electrons to flow thereby "completing" the electrical circuit
5. The half reaction with the higher standard reduction potential will be found in the cathode portion of the cell

Explanation / Answer

In galvanic cell at anode oxidation reaction is takes place. Electrons are flow from anode half cell to cathode half cell. Salt bridge prevent the mixing of the teo solution but allow the flow of ions through it.

1. Electrons are produced spontaneously at the anode electrode.

4. The salt bridge acts as a second pathway for electrons to flow thereby "completing" the electrical circuit

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