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A block of copper of mass 10kg is heated to 100 degree C. it is then dropped into 2kg of a liquid at a temp.of 2o degree C.

a) thruough how many kelvin did the copper cool?

b) how much nrg did d copper release as it cooled?

c) by how many kelvin did d liquid warm up/

d) let the specific capacity of d liquid in j/kg/K be 'y'. in terms of 'y', how much nrg must the liquid have gained as it warmed up?

e) where did dis heat nrg gained by th liquid come from?

f) bearing in mind ur ans. to (b),(d) and (e), work out a value for d specific heat capacity of d liquid.

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# Homework Help: Warming things up.

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