Temperature change = 65 - 22 = 43 C.
Heat required = mass of water*temperature change*specific heat
= 91*43*4.184 J
= 16372 J
= 16.372 kJ ( = 16.37 kJ to 4 sig figs)
16372 J or 16.372 kJ
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Verified answer
Temperature change = 65 - 22 = 43 C.
Heat required = mass of water*temperature change*specific heat
= 91*43*4.184 J
= 16372 J
= 16.372 kJ ( = 16.37 kJ to 4 sig figs)
16372 J or 16.372 kJ