Answer
The heat required is $8.71 \times 10^{5}$ J
Work Step by Step
We will use the equation $q=mc\Delta t$
q = heat transferred
m = mass
c = specific heat
$\Delta t $ = change in temperature
plug in the values.
q = (45000) (2.42) (8)
*** solve using a calculator
q= $8.71 \times 10^{5}$ J