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A sheet of gold weighing 9.5 g and at a temperature of 15.8°C is placed flat...

A sheet of gold weighing 9.5 g and at a temperature of 15.8°C is placed flat on a sheet of iron weighing 21.8 g and at a temperature of 53.6°C. What is the final temperature of the combined metals? Assume that no heat is lost to the surroundings.

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Answer #1

heat lose of iron               =     heat gain of gold

mcT                                =       mcT

21.8*0.45*(53.6-t)        =      9.5*0.129*(t-15.8)

   t = 49.40C

the final temperature = 49.40C

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