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A mixture containing 21.4 g of ice (at exactly 0.00 ∘C) and 75.3 g of water (at 80.2 ∘C) is placed in an insulated container.

Assuming no loss of heat to the surroundings, what is the final temperature of the mixture?

A mixture containing 21.4 of ice (at exactly 0.00 ) and 75.3 of water (at 80.2 ) is placed in an insulated container.

Assuming no loss of heat to the surroundings, what is the final temperature of the mixture?

41.9 ∘C

46.9 ∘C

44.7 ∘C

32.6 ∘C

Verified Answer :

MissPhiladelphia

Heat
gained in a system can be calculated by multiplying the given mass to the
specific heat capacity of the substance and the temperature difference. In a mixture it should be that heat gained is equal to the heat removed. We calculate as follows

Q1 = -Q2

21.4(T2-0.00) = -75.3(T2 - 80.2)
T2 = 62.45

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