Question

What amount of heat energy would be necessary to raise the temperature of 100 g of water at room temperature (25°C) to the boiling point (100°C)? The specific heat of water is 1.0 cal/g°C.
75 kcal
100 kcal
750 kcal
7.5 kcal

Answer 1

Answer:

7.5 kcal

Explanation:

1.0 cal /g-C   * 100 g * (100- 25 C) = 7500 cal = 7.5 kcal