Homework Help: Physical Science

Posted by Anna on Friday, October 12, 2012 at 2:24pm.

A 100 kg sample of a metal is cooled from 100°C to 20°C by removing 20 kcal of heat. Calculate the specific heat capacity of the metal.

Physical Science - bobpursley, Friday, October 12, 2012 at 2:29pm
20kcal=100kg*c*80 C

c=20k/(100k*8O)=.2/80=.02/8
= .0025 cal/g-C
Physical Science - Elena, Friday, October 12, 2012 at 2:31pm
20 kcal =83736 J
Q=cmΔT

c=Q/mΔT

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