Asked by Anonymous
A copper block is removed from a 310 C oven and dropped into 1.10 kg of water at 20.2 C. The water quickly reaches 25.4 C and then remains at that temperature.what is the mass of the block?
Answers
Answered by
Elena
c1•m1 •(310-25.4) =c2•m2•(25.4-20.2)
m1= { c2•m2•(25.4-20.2)}/ c1•(310-25.4) =
={4180•1.1•5.2}/385•284.6 = 0.218 kg
m1= { c2•m2•(25.4-20.2)}/ c1•(310-25.4) =
={4180•1.1•5.2}/385•284.6 = 0.218 kg
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