Asked by sarah
A 4.0 kg gold bar at 97C is dropped into 0.27 kg of water at 22C.
What is the final temperature? Assume the
specific heat of gold is 129 J/kg C.
Answer in units of C.
What is the final temperature? Assume the
specific heat of gold is 129 J/kg C.
Answer in units of C.
Answers
Answered by
DrBob222
heat lost by Au bar + heat gained by H2O = 0
[mass Au x specific heat Au x (Tfinal-Tinitial)] + [mass H2O x specific heat H2O x (Tfinal-Tinitial)] = 0
Solve for Tfinal.
[mass Au x specific heat Au x (Tfinal-Tinitial)] + [mass H2O x specific heat H2O x (Tfinal-Tinitial)] = 0
Solve for Tfinal.
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