Question: What is the specific heat capacity of water if it takes 4200 J to raise the temperature of 1 kg of water by 1°C? (2021)

Options:

1. 2100 J/kg°C
2. 4200 J/kg°C
3. 8400 J/kg°C
4. 1000 J/kg°C

Correct Answer: 4200 J/kg°C

Solution:

The specific heat capacity of water is defined as the amount of heat required to raise the temperature of 1 kg of water by 1°C, which is given as 4200 J/kg°C.