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The molar heat capacity of water at cons...

The molar heat capacity of water at constant pressure, C, is `75 JK^(-1) mol^(-1)`. When 1.0 kJ of heat is supplied to 100 g water which is free to expand, the increase in temperature of water is :

A

6.6 K

B

1.2 K

C

2.4 K

D

4.8 K

Text Solution

Verified by Experts

The correct Answer is:
C
Heat capacity of water per gram `=75/18=4.17`
`Q=mST`
`1000=100xx4.17xxT`
`T=1000(100xx4.17)=2.4 K`.
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