Question
Question: If mass energy equivalence is taken into account, when water is cooled to form ice, the mass of wate...
If mass energy equivalence is taken into account, when water is cooled to form ice, the mass of water should
A
Increase
B
Remain unchanged
C
Decrease
D
First increase then decrease
Answer
Remain unchanged
Explanation
Solution
When water is cooled at 00C to form ice then 80 calorie/gm (latent heat) energy is released. Because potential energy of the molecules decreases. Mass will remain constant in the process of freezing of water.