Properties Of Solids And Liquids Question 30
Question: If mass energy equivalence is taken into account, when water is cooled to form ice, the mass of water should [AIEEE 2002]
Options:
A) Increase
B) Remain unchanged
C) Decrease
D) First increase then decrease
Show Answer
Answer:
Correct Answer: B
Solution:
When water is cooled at 0°C 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.
