The molar heat capacity of water at constant pressure is 75 `JK^(-1)mol^(-1)`. When 1.0 kJ of heat is supplied to 100 g of water which is free to expa

Question

The molar heat capacity of water at constant pressure is 75 `JK^(-1)mol^(-1)`. When 1.0 kJ of heat is supplied to 100 g of water which is free to expa

The molar heat capacity of water at constant pressure is 75 `JK^(-1)mol^(-1)`. When 1.0 kJ of heat is supplied to 100 g of water which is free to expand the increase in temperature of water is
A. 2.4 K
B. 3.6 K
C. 4. 8 K
D. 1.2 K

Monjur Alahi

4 views

2025-01-04 04:42

1 Answers

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Salim Ahmed Kawsar · Accepted Answer · 2023-02-05T15:29:48+06:00

Salim Ahmed Kawsar

Correct Answer - A
Heat capacity of water per gram`=(75)/(18)=4.17J`
`Q=mc=100xx4.17xxt=1000`
`t=(1000)/(100xx4.17)=2.4K`

4 views Answered 2023-02-05 15:29