解答

A

訪客

we know that U(inner energy) is a state function and it is determined by P(pressure),V(volume),and T(temperature).That is, P, V, and T are state variables. Also, density can be derived from P,V,and T,so density is also a state variable. Finally, the answer will be A(heat).

留言
News
【IG直播懶人包】十大科目筆記方法分享
【開學必讀】準高中、準大學生必知二三事
【筆記方法】國文筆記怎麼做,三個超強筆記方法大公開