In an Isochoric Process,the Internal (Thermal)energy of an Ideal Gas

Multiple Choice

In an isochoric process,the internal (thermal) energy of an ideal gas decreases by 50 J.How much heat is exchanged with the gas during this process?

A) 0.00 J
B) 25 J
C) 50 J
D) -25 J
E) -50 J