Which one of the following equations does not correctly represent the first law of thermodynamics for the given processes involving an ideal gas? (Assume non-expansion work is zero)

A

Isochoric process: $$\Delta U = q$$

B

Isochoric process: $$q = -w$$

C

Cyclic process: $$q = -w$$

D

Adiabatic process: $$\Delta U = -w$$