Question

10 gm of ice cubes at 0°C are released in a tumbler (water equivalent 55 g) at 40°C. Assuming that negligible heat is taken from the surroundings, the temperature of water in the tumbler becomes nearely (L = 80 cal/g)

(a) 31°C

(b) 22°C

(c) 19 °C

(d) 15 °C

Answer 1

Correct option (b) 22°C

Explanation:

 Let the final temperature be T