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1kg of ice at 20'c mixed with 2 kg water at 90'c.no los of energy to environment. What is the final temp of the mixture? Latent heat of ice=334.4kj/kg specific heat of water and ice are 4.18 and 2.09 kj/kgK resp

Arun
25763 Points
3 years ago

Dear student

mi si $\Delta$T + mi L + mi sw (T-0) = mw sw (90 -T)
1 * 2.09 *20 + 1 * 334.4 + 1 *4.18 * T =  2 * 4.18 * (90 -T)

T = 60 - 30 = 30 °c

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