Properties Of Solids And Liquids Question 84

Question: Calculate the amount of heat (in calories) required to convert 5 gm of ice at 0°C to steam at 100° [DPMT 2005]

Options:

A) 3100

B) 3200

C) 3600

D) 4200

Show Answer

Answer:

Correct Answer: C

Solution:

Ice (0°C) converts into steam (100°C) in following three steps.

Total heat required Q=Q1+Q2+Q3

=5×80+5×1×(1000)+5×540=3600cal



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