Question
Question: A calorimeter (water equivalent 50 gm) contains 20 gm ice at – 20<sup>0</sup>C. Find the amount of s...
A calorimeter (water equivalent 50 gm) contains 20 gm ice at – 200C. Find the amount of steam at 1000C require to just melt all the ice. (Sw= 1 cal/gm-0C, Sice = 0.5 cal/gm-0C, Lf = 80 cal/gm,Lv = 540 cal/gm)
A
5.185 gm
B
4.375 gm
C
9.843 gm
D
None of these
Answer
4.375 gm
Explanation
Solution
Heat given by steam = Heat taken by ice
+ calorimeter