(a) How much heat is required to raise by 12.40°C the temperature of 1.8 kg of...
(a) How much heat is required to raise by 12.40°C the temperature of 1.8 kg of water. (b) How much heat is required to raise by 12.40°C the temperature of 1.8 kg of iron.
Homework Answers
(a) heat required = mc*dT
where m = mass
c= specific heat capacity = 4186 J/kg K
dT = change in temperature
Q = 1.8*4186*12.4
= 93431.52J
(b) specific heat capacity of iron = 450 J/kg K
Q = 1.2*450*12.4
= 10044 J
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