• 2022-10-25
    1mol理想气体从p1,V1,T1分别经:(1) 绝热可逆膨胀到p2,V2,T2;(2) 绝热恒外压下膨胀到p2′,V2′,T2′,若p2 = p2′ 则:(     )
  • T2′>T2, V2′> V2, S2′>S2

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      1mol理想气体从p1,V1,T1分别经:(1)绝热可逆膨胀到p2,V2,T2;(2)绝热恒外压下膨胀到p2′,V2′,T2′,若p2=p2′则:() A: AT2′=T2,V2′=V2,S2′=S2 B: BT2′>T2,V2′CT2′>T2,V2′>V2,S2′>S2DT2′

    • 1

      31.1mol理想气体从p1,V1,T1分别经:(1)绝热可逆膨胀到p2,V2,T2;(2)绝热恒外压下膨胀到p2′,V2′,T2′,若p=p2′则: A: T2′=T2,V2′=V2,S2′=S2 B: T2′>T2,V2′<V2,S2′<S2 C: T2′>T2,V2′>V2,S2′>S2 D: T2′<T2,V2′<V2,S2′<S2

    • 2

      1mol理想气体从p1,V1,T1分别经:(1) 绝热可逆膨胀到p2,V2,T2;(2) 绝热恒外压下膨胀到p2′,V2′,T2′,若p2 = p2′ 则:( ) A: T2′= T2, V2′= V2, S2′= S2 B: T2′>T2, V2′< V2, S2′<S2 C: T2′>T2, V2′> V2, S2′>S2 D: T2′< T2, V2′<V2, S2′< S2

    • 3

      1mol理想气体从p1、V1、T1的始态变为体积为V2的终态,分别经历了两种不同过程(1)绝热可逆膨胀到p2、V2、T2;(2)反抗恒外压绝热膨胀到p2'、V2、T2';则 A: T2=T2',P2=p2' B: T2>T2',p2>p2' C: T2 D: T2p2'

    • 4

      1mol理想气体从p1,V1,T1分别经:(1) 绝热可逆膨胀到p2,V2,T2;(2) 绝热恒外压下膨胀到p2′,V2′,T2′,若p2 = p2′ 则: A: T2′= T2, V2′= V2, S2′= S2 B: T2′&gt; T2, V2′&lt; V2, S2′&gt;S2 C: T2′&gt; T2, V2′&gt; V2, S2′&gt;S2 D: T2′&lt; T2, V2′&lt; V2, S2′&lt;S2