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KEAM 2010 Physics and Chemistry Paper
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© examsnet.com
Question : 59
Total: 119
The heat capacity per mole of water is
(
R
is universal gas constant)
9
R
9
2
R
6
R
5
R
3
R
Validate
Solution:
Molar specific heat of water
=
molar mass of water
×
specific heat of water
=
18
g
mol
×
1
cal
g
∘
C
=
18
cal
mol
∘
C
=
9
R
[ where
,
R
=
2
cal
m
o
l
−
2
∘
C
−
1
]
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