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Calorimetry

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By Expert Faculty of Sri Chaitanya
Question

10 g of water at 70°C is mixed with 5 g of water at 30°C. Find the temperature of the mixture in equilibrium.

Moderate
Solution

Let t° C be the temperature of the mixture. From energy conservation,

Heat given by 10 g of water = Heat taken by 5 g of water

 or m1Cwater Δt1=m2Cwater Δt2(10)(70t)=5(t30)t=36.67C


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