A Sample of an Ideal Gas at 275 K Occupies

A sample of an ideal gas at 275 K occupies a volume oF₄2 L. The sample contracts to a volume of 15 L at a constant pressure of 1.50 atm, while heat of 2400 J is lost to the surroundings. What is D E for this process?

A) - 6.5 kJ
B) - 4.1 kJ
C) +1.7 kJ
D) +4.1 kJ
E) none of these