Tag Archive for 'voltaic-cells'

Rechargeable Battery ScholAR Demonstration

Published in Lesson Plans. Tags: chemicals, chemistry, electrochemical cells, electrolytic cells, non spontaneous reactions, scholar, spontaneous reactions, voltaic cells.

Purpose
To illustrate a non-spontaneous and spontaneous reaction.

Materials

Copper (II) chloride, CuCl2 (1.0 M solution)
2 ea. graphite electrodes
Power source (15V max.)
Volt meter
Electrical leads (with Alligator Clips)
250 mL beaker
100 mL graduated cylinder

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Orange Clock ScholAR Demonstration

Published in Lesson Plans. Tags: batteries, chemicals, chemistry, electrochemistry, redox reactions, scholar, voltaic cells.

Purpose
To illustrate several principles of batteries by using orange juice to power an electric clock.

Materials

Magnesium strip or ribbon
Copper strip
Orange juice
Steel wool (not a soap pad)
Electrical leads (with Alligator Clips)
Battery powered clock (variety that requires a single 1.5 V AA battery)
250 mL beaker

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