chemistry
posted by David .
A 32.0g sample of water at 290. K is mixed with 51.0 g water at 310. K. Calculate the final temperature of the mixture assuming no heat loss to the surroundings.

chemistry 
DrBob222
heat loss of warm water + heat gained by cool water = 0
[mass warm water x specific heat x (TfinalTinitial)] + [mass cool water x specific heat x (TfinalTinitial)] = 0
Substitute and solve for Tfinal.
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