Specific Heat Capacity

Specific heat capacity is the amount of energy required to increase the temperature of 1 kg of a substance by 1°C without changing its _____.

The unit of specific heat capacity is J/kg°C.

• True

• False

The specific heat capacity of water is 4200 J/kg°C. How much energy is needed to raise the temperature of 1 kg of water by 1°C?

The specific heat capacity of water is 4200 J/kg°C. How much energy is needed to raise the temperature of 2 kg of water by 1°C?

The specific heat capacity of water is 4200 J/kg°C. How much energy is needed to raise the temperature of 0.5 kg of water by 1°C?

The specific heat capacity of water is 4200 J/kg°C. How much energy is needed to raise the temperature of 2 kg of water by 2°C?

Which of these substances is the best conductor of heat?

• Water (s.h.c = 4200 J/kg°C)

• Copper (s.h.c = 390 J/kg°C)

• Mercury (s.h.c = 139 J/kg°C)

• Air (s.h.c = 718 J/kg°C)