関連ワード:  work is a state function    work is a state function or path function    work is a state function or not    work is a state function in isobaric process    work is a state function which is expressed in joule    work is a state function in adiabatic process    work is a state function true or false    work is a state function yes or no    is work a state function in thermodynamics    is work a state function in chemistry