A chemist carefully measures the amount of heat needed to raise
the temperature of a
822.0g
sample of a pure substance from
41.7°C
to
63.2°C
. The experiment shows that
83.1kJ
of heat are need.

A) 80.9 J/g°C
B) 75.2 J/g°C
C) 81.5 J/g°C
D) 79.6 J/g°C