A solid of mass 60 g at $100^{\circ} \mathrm{C}$ is placed in 150 g of water at $20^{\circ} \mathrm{C}$. The final steady temperature is $25^{\circ} \mathrm{C}$. Calculate the heat capacity of solid. [sp. heat capacity of water $=4.2 \mathrm{~J} \mathrm{~g}^{-1} \mathrm{~K}^{-1}$ ]
Explanation
To calculate the heat capacity of the solid, we need to use the formula Q = mcΔT, where Q is the heat transferred, m is the mass, c is the specific heat capacity, and ΔT is the change in temperature. We can use the given data to find the heat transferred by the water and then use it to find the heat capacity of the solid.
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