Q.
The molar heat capacity of water at constant pressure Cm,p is 75JK−1mol−1 . What will be the increase in temperature of water when 1KJ of energy is supplied for the heating of the sample?
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a
1.2 K
b
2.4K
c
3.6K
d
2K
answer is B.
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Detailed Solution
Q=nCm,pΔTQ=nCm,pΔTΔT=QnCp,m=1×10310018×75=2.4K
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