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17 March, 08:40

Find the final equilibrium temperature when a 10.0 g of milk at 10.0c is added to 1.60 x 10^2 g of coffee with a temperature of 90.0 c

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  1. 17 March, 08:56
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    Heat lost = heat gained, so if x is the equilibrium temperature heat lost is 160 (90-x) and heat gained is 10 (x-10).

    14400-160x=10x-100, 170x=14500, x=14500/170=85.3℃.
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