1. If you wish to warm 100 kg of water by 20°C for your bath, show that 8370 kJ of heat is required. 2. The specific heat capacity of copper is 0.092 calorie per gram per degree Celsius. Show that the...

1. If you wish to warm 100 kg of water by 20°C for your bath, show that 8370 kJ of heat is required.

2. The specific heat capacity of copper is 0.092 calorie per gram per degree Celsius. Show that the heat required to raise the temperature of a 10-g piece of copper from 0°C to 100°C is 92 calories.