Asked by Anonymous

When 90 kJ is removed from a 2-kg copper bar, its temperature drops from 200°C to 85°C. The specific heat of copper is

Answers

Answered by DrBob222
q = mass Cu x specific heat Cu x ((Tfinal-Tnitial)
use q = 90,000 J.
Use mass Cu as 2000g
specific heat comes out in J/g*C
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