Question

Specific heat capacity of water is about 4186 J/kg/K, and that of steam is about 2010 J/kg/K. What does this mean in simple words?

Options

• Water needs more heat than steam to warm by 1°C

• Both need the same heat to warm by 1°C

• Steam needs more heat than water

• Steam cannot be heated above 100°C

Answer 1

Water needs more heat than steam to warm by 1°C

Explanation:

Water has a higher specific heat capacity, so it needs more heat to increase its temperature by 1°C than steam.