[mass pot x specific heat pot x (Tfinal-Tinitial)] + [mass H2O x specific heat H2O x (Tfinal-Tinitial)] + [mass solid x specific heat solid x (Tfinal-Tinitial)] = 0
Substitute and solve for Tfinal. Tfinal is the only unknown in the above equation. Post your work if you get stuck.
A copper pot with mass 0.5 Kg contains 0.17 kg of water at a temperature of 20
degree celcius . A 0.8 kg hot solid having specific heat capacity 390 J/KgK at 80
degree celcius is dropped into the pot. Find the final temperature of mixture. (Sp.
Heat capacity of copper = 400 J/KgK and water = 4200 J/KgK)
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