THM 110 · Basic ThermodynamicsSession 2 · Hour 1 · Heat and workInstructor cue 양쪽 문.90 minNow Open · 5 min left · next Demo한ENScriptBodyClearHour 1Heat and workHour 2The working fluidHour 3EnthalpyHour 4The first law on paperThis browser cannot play the film.CheckQ minus W is the change in U. Write the sign. One closed system. One line.