In an electroplating apparatus, where does the oxidation reaction occur? on the surface of the anode on the surface of the cathode in the solution on the surface of the battery

3. how much energy in joules is required to evaporate .0005 kg of liquid ammonia to vapor at the same temperature? 4. how much energy ( in megajoules ) is given up by .75 kg of water at 0c when it freezes to form ice at 0c? 5. explain how heat works between and at critical temperatures?

Convert .347 kilometers to miles show your work

State one important difference between a physical change and a chemical change?