Q.9 Calculate the number of kJ of heat necessary to raise the temperature of 60.0 g of aluminum from 35°C to 55°C. Molar heat capacity of Al is 24 J .
From the expression of heat (q),
q = m. c. ∆T Where,
c = molar heat capacity m
= mass of the substance
∆T = change in temperature
Substituting the values in the expression of q:
q = 1066.7 J q
= 1.07 kJ
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