A 5.0 g sample of aluminum with a specific heat of 0.90 J / (g °C) was heated from 22.1°C to 32.1°C. How much heat, to the nearest joule, did the aluminum gain?

Question

Chemistry

Anton Gates

5 April, 04:35

A 5.0 g sample of aluminum with a specific heat of 0.90 J / (g °C) was heated from 22.1°C to 32.1°C. How much heat, to the nearest joule, did the aluminum gain?

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Isabelle Case · Answer 1

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. It is expressed as follows:

Heat = mC (T2-T1)

Heat = 5 (0.90) (32.1 - 22.1)

Heat = 45 J energy gained