Kg of water of 60°C is mixed with 1 kg of water at 30°C kept in a vessel of heat capacity 220 J K-1. The specific heat of water is 4200 J Kg-1K ‘. Then the final temperature is nearly.
A. 35°C
B. 45°C
C. 55°C
D. 50°C
Answer:D
Kg of water of 60°C is mixed with 1 kg of water at 30°C kept in a vessel of heat capacity 220 J K-1. The specific heat of water is 4200 J Kg-1K ‘. Then the final temperature is nearly.
A. 35°C B. 45°C C. 55°C D. 50°C