A Rigid Container Is Filled with 4 $18 ^ { \circ } \mathrm { C }$

Multiple Choice

A rigid container is filled with 4.0 mol of air with C_V = 2.5R. How much does the internal (thermal) energy of the air change if its temperature rises from $18 ^ { \circ } \mathrm { C }$ to $448 ^ { \circ } \mathrm { C } \text { ? }$ (R = 8.31 J/mol ∙ K)

A) 35,800 J
B) 430 J
C) 3580 J
D) 8940 J