What are the chemicals that react with one another in a chemical reaction?

The image shows a pendulum in simple harmonic motion the pendulum starts at a and swing to e

1. a camcorder has a power rating of 19 watts. if the output voltage from its battery is 7 volts, what current does it use?answer units 2. a 1.5m wire carries a 6 a current when a potential difference of 57 v is applied. what is the resistance of the wire? your

Avoltaic cell converts chemical energy to