The specife heat capacity of a metal w
200 J , Calculate the amount a
heat energy required to raise the
temperature of 2 kg of the metal from
125°C to 825°C
(1) 40000
(3) 8000 J
(2) 800001
(4) 2000)
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The specife heat capacity of a metal w
200 J , Calculate the amount a
heat energy required to raise the
temperature of 2 kg of the metal from
125°C to 825°C
(1) 40000
(3) 8000 J
(2) 800001
(4) 2000)
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ANSWER
Heat required is mcΔT=100×0.39×50=1950 J