Question #55370

1 Answer
Aslam S.
Jul 3, 2015

409.2 Jkg^-1K^ -1 or 0.409Jg^-1 C^-1

Explanation:

Specific Heat Capacity is defined as amount of energy necessary to raise the temperature of a unit mass (kg) by one degree K i.e. in SI units Jkg^-1K^-1
As degree change in C and K are same dividing the SI unit by 1000 gives value in Jg^-1 C^-1 1 kg = 1,000 g
calculated by the formula E=mc(T_2-T_1) where E is the energy, m is the mass and (T_2-T_1)the change in temperature.

89.8=13.3 xx c xx(37.2-20.7) c
giving c= 0.409 Jg^-1 C^-1

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