Answer
$5600 \text{ J}$
Work Step by Step
$\Delta T=31.3-24.6=6.7$
$\Delta H = q$ (because pressure is constant)
$\Delta H = 4.184\frac{J}{^\circ C*grams}*(0.20*10^{3}\text{ grams})*6.7 \text{$^\circ$C}=5600 \text{ J}$
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