Question

0.05 kg steam at 373 K and 0.45 kg of ice at 253 K are mixed in an insulated vessel. The equilibrium temperature of the mixture is (in °C)
[Given, Lfusion = 80 cal/g = 336 J/g, Lvaporisation = 540 cal/g = 2268 J/g, Sice = 2100 J/kg K = 0.5 cal/g K and Swater = 4200 J/kg K = 1 cal/g K]
(A) O
(B) 20
(C) 30
(D) 100​

Answer 1

the answer is of this ques. is 30