関連ワード:  work is path or state function    work done is path or state function    work is path function or state function in physics    work is path function or state function in chemistry    heat and work is path function or state function    work done is a path function or state function in physics    adiabatic work is state function or path function    reversible expansion work is state function or path function    irreversible expansion work is state function or path function    is work a path function or state function