Asked by mariah

Heat totaling 2700.0 J leaves a glass of water at 75.0 C to bring it to room temperature (20.0 C). What is the mass of the water in g (ignore the glass)?

Answered by Damon
2700 = m *specific heat of water * (75-20)
Answered by mariah
so you find the specific heat of water, then multiply that times the change in temperature then divide that into the joules?
Answered by Damon
Yes

about 4180 Joules/ kg deg K
as I remember
Answered by Damon
By the way change in degrees K is the same as change in degrees C

C = 273 + K
so delta C = delta K
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