Properties Of Solids And Liquids Question 395
Question: Assuming no heat losses, the heat released by the condensation of x g of steam at $ 100{}^\circ C $ can be used to convert y g of ice at $ 0{}^\circ C $ into water at$ 100{}^\circ C $ , the ratio x:y is:
Options:
A) 1 : 1
B) 1 : 2
C) 1 : 3
D) 3 : 1
Show Answer
Answer:
Correct Answer: C
Solution:
[c] The heat lost in condensation $ =x\times 540 cal $ .
$ \therefore x\times 540=y\times 80+y\times l\times ( 100-0 ) $ or $ \frac{x}{y}=\frac{1.}{3} $ .
