Achunk of aluminum at 91.4°c was added to 200.0 g of water at 15.5°c. the specific heat of aluminum is 0.897 j/g°c, and the specific heat of water is 4.18 j/g°c. when the temperature stabilized, the temperature of the mixture was 18.9°c. assuming no heat was lost to the surroundings, what was the mass of aluminum added?

Explanation:

Given:

Heat lost by Al to go from 91.4°C to 18.9°C:

where:

temperature difference for Al

mass of aluminium

...........................................(1)

Heat gained by water to go from 15.5°C to 18.9°C:

where:

temperature difference for water

...........................................(2)

According to the law of conservation of energy:

When there is no heat loss to the surrounding:

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