In a Certain Process,500 Cal of Heat Are Supplied to a System

Multiple Choice

In a certain process,500 cal of heat are supplied to a system consisting of a gas confined in a cylinder.At the same time,500 J of work are done by the gas by expansion.The increase in thermal energy of the gas is approximately

A) zero
B) 1.00 kJ
C) 1.59 kJ
D) 2.09 kJ
E) 2.59 kJ