Question

 

1. Calculate the quantity of heat, in kilojoules, (a) required to raise the temperature of 9.25 kg of water from 22.0 to 29.4 ^oC; (b) associated with a 33.5 ^oC decrease in temperature in a 5.85kg aluminum bar (specific heat of aluminum = 0.903J/g-^oC).

Answer 1

=4.73kilojoules