Asked by lisa

How much milk at 10 degrees would need to be added to 250 ml of coffee at 95 degrees celsius to cool the coffee to 90 degrees celsius

Answers

Answered by DrBob222
[mass milk x specific heat milk x (Tfinal-Tinitial)] + [mass coffee x specific heat coffee x (Tfinal-Tinitial)] = 0
Tfinal = 90
Tinitial = 95
I assume specific heat milk and coffee to be the same as specific heat H2O.
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