A piece of copper of solid weighing 300g is heated to 100°c and than transfer...

A piece of copper of solid weighing 300g is heated to 100°c and than transfer to copper Carolimeter of mass 10g containing 100g of liquid at 10°c if the final steady temperature of the mixture is 40°c calculate the specific of the liquid (specific heat capacity of copper = 40Jkg^-1 k^-1)?

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Answers (1)

mhz vee
7 months ago
Solution
0.300 * 400 * (950-100) = 102,000 Joules lost by copper

that heats 0.250 kg water to 100 from 25
0.250 * 4186 * 75 = 78488 Joules used from copper to heat water.
That leaves 23,512 Joules to boil water
23,512 = m 2,260,000
m = .0104 kg = 10.4 grams
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