Answer
1300 J, 310 cal
Work Step by Step
$\Delta T = 64.8^{o}C - 5.5^{o}C = 59.3^{o}C$
Heat = mass x $\Delta T$ x SH
Heat (J)= 5.25g x $59.3^{o}C$ x 4.184 J / g $^{o}C$
= 1302.6 J
Heat (cal)= 5.25g x $59.3^{o}C$ x 1 cal / g $^{o}C$
= 311.3 cal