Question

The temperature of 100 grams of water changes from 16°C to 20°C. What is the total number of calories of heat energy absorbed by the water?

A.
25


B.
40


C.
100


D.
400

Answer 1

D. 400 cal

Step-by-step explanation:

Spec heat of water 1 cal/gm-C

1 cal / gm-C * 100 gm * ( 20-16 C) = 400 cal