Of water at and of ice at are mixed together in a calorimeter

PHYSICS · Subjective · CBSE · Physics · Thermal Properties of Matter · Thermal Properties of Matter

Problem

5 g5\,\text{g} of water at 30∘C30^\circ\text{C} and 5 g5\,\text{g} of ice at −20∘C-20^\circ\text{C} are mixed together in a calorimeter. Find the final temperature of the mixture. The water equivalent of the calorimeter is negligible, the specific heat of ice is 0.5 cal g−1 ∘C−10.5\,\text{cal g}^{-1}\,{}^\circ\text{C}^{-1}, and the latent heat of ice is 80 cal g−180\,\text{cal g}^{-1}.

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