Ninety kilojoules of heat were added to a 2.0-kg piece of wood whose temperture then rose from 20 degrees Celsius to 48 degrees Celcius. What was the specific heat of the wood?

Answer 1

Review the definition of specific heat.

Spec. Ht. = (heat added)/[(mass)*(deltaT)]

DeltaT is the temperature increase, which in your case is 28 C.

Perform that calculation to obtain the answer.

Answer 2

87

Answer 3

31