Homework Statement
I know that for constant volume ∂q=du and so du=Cv.dT
However i don't understand how did we get to ∂q=du by neglecting the vdP term of enthalpy
What I am trying to say is, is enthalpy this ∆U+P∂V+V∂P or this ∆U+P∂V? I don't understand since the definition of enthalpy is...