下列反应中[img=45x26]1803dd609acfce2.png[/img]>0的是 （ ）
A: 2H[img=7x22]1803dd60a43da71.png[/img](g)+O[img=7x22]1803dd60a43da71.png[/img](g)=2H[img=7x22]1803dd60a43da71.png[/img]O(g)
B: N[img=7x22]1803dd60a43da71.png[/img](g)+3H[img=7x22]1803dd60a43da71.png[/img](g)=2NH[img=7x22]1803dd60cec07da.png[/img](g)
C: NH[img=7x22]1803dd60d7395bb.png[/img]Cl(s)= NH[img=7x22]1803dd60e03f2ee.png[/img](g)+HCl(g)
D: C(s)+O[img=7x22]1803dd60a43da71.png[/img](g)=CO[img=7x22]1803dd60a43da71.png[/img](g)
A: 2H[img=7x22]1803dd60a43da71.png[/img](g)+O[img=7x22]1803dd60a43da71.png[/img](g)=2H[img=7x22]1803dd60a43da71.png[/img]O(g)
B: N[img=7x22]1803dd60a43da71.png[/img](g)+3H[img=7x22]1803dd60a43da71.png[/img](g)=2NH[img=7x22]1803dd60cec07da.png[/img](g)
C: NH[img=7x22]1803dd60d7395bb.png[/img]Cl(s)= NH[img=7x22]1803dd60e03f2ee.png[/img](g)+HCl(g)
D: C(s)+O[img=7x22]1803dd60a43da71.png[/img](g)=CO[img=7x22]1803dd60a43da71.png[/img](g)
举一反三
- 不查表估计下列反应在298K时熵改变最大的是（ ） A: CO[img=7x22]1803dd43123c9d2.png[/img] (g) → C (s) + O[img=7x22]1803dd43123c9d2.png[/img](g) B: 2SO[img=7x22]1803dd432476515.png[/img](g) → 2SO[img=7x22]1803dd43123c9d2.png[/img](g) +O[img=7x22]1803dd43123c9d2.png[/img] (g) C: CaSO[img=7x22]1803dd433dcc3ca.png[/img]·2H[img=7x22]1803dd43123c9d2.png[/img]O(s) → CaSO[img=7x22]1803dd433dcc3ca.png[/img](s) +2H[img=7x22]1803dd43123c9d2.png[/img]O(l) D: 2NH[img=7x22]1803dd432476515.png[/img](g) → 3 H[img=7x22]1803dd43123c9d2.png[/img](g) +N[img=7x22]1803dd43123c9d2.png[/img](g)
- 不查表估计下列反应在298K时熵改变最大的是（ ） 未知类型：{'options': ['CO[img=7x22]17de880f1353240.png[/img] (g) → C (s) + O[img=7x22]17de880f1353240.png[/img](g)', '2SO[img=7x22]17de880f20b1a2e.png[/img](g) → 2SO[img=7x22]17de880f1353240.png[/img](g) +O[img=7x22]17de880f1353240.png[/img] (g)', 'CaSO[img=7x22]17de880f2c3610a.png[/img]·2H[img=7x22]17de880f1353240.png[/img]O(s) → CaSO[img=7x22]17de880f2c3610a.png[/img](s) +2H[img=7x22]17de880f1353240.png[/img]O(l)', '2NH[img=7x22]17de880f20b1a2e.png[/img](g) → 3 H[img=7x22]17de880f1353240.png[/img](g) +N[img=7x22]17de880f1353240.png[/img](g)'], 'type': 102}
- 已知 N[img=7x22]1803dd448ecc0ba.png[/img] (g)+3H[img=7x22]1803dd44977c003.png[/img] (g) ⇌2NH[img=7x22]1803dd44a006aca.png[/img] (g) K[img=7x22]1803dd44a8cdd67.png[/img] 1/2N[img=7x22]1803dd44b0ce733.png[/img] (g)+3/2H[img=7x22]1803dd44b943cfc.png[/img] (g) ⇌NH[img=7x22]1803dd44c23e368.png[/img] (g) K[img=7x22]1803dd44caa8217.png[/img] 1/3N[img=7x22]1803dd44d36d7be.png[/img] (g)+H[img=7x22]1803dd44dcbef24.png[/img] (g) ⇌2/3NH[img=7x22]1803dd44e523d52.png[/img] (g) K[img=7x22]1803dd44ee4328e.png[/img]则平衡常数K[img=7x22]1803dd44f738bfb.png[/img]，K[img=7x22]1803dd45004e326.png[/img] ，K[img=7x22]1803dd45092c99c.png[/img]的关系是( )。 A: K[img=7x22]1803dd45115c7b7.png[/img]= K[img=7x22]1803dd451a1f8e1.png[/img]= K[img=7x22]1803dd452429710.png[/img] B: K[img=7x22]1803dd45115c7b7.png[/img]=[img=9x43]1803dd4535e9544.png[/img] K[img=7x22]1803dd451a1f8e1.png[/img]=[img=9x43]1803dd4546e65c4.png[/img] K[img=7x22]1803dd452429710.png[/img] C: [img=162x65]1803dd455ca26ec.png[/img] D: [img=137x42]1803dd456550f19.png[/img]
- 反应H[img=7x22]17de880a1a61123.png[/img]（g）+ SO[img=7x22]17de880a1a61123.png[/img]（g）⇌ O[img=7x22]17de880a1a61123.png[/img]（g）+ H[img=7x22]17de880a1a61123.png[/img]S （g）的 [img=67x25]17de880a25eabef.png[/img],[img=84x23]17de880a32d2db1.png[/img]。
- 列反应可以表示[img=48x27]1803dd5fab94b7a.png[/img](CO[img=7x22]1803dd5fb50375a.png[/img],g)=-394.38kJ.mol[img=17x22]1803dd5fbe5bc68.png[/img]的是（ ）。 A: C（石墨,s）+O[img=7x22]1803dd5fc76d5f3.png[/img](g) ==== CO[img=7x22]1803dd5fc76d5f3.png[/img](g) B: C（金刚石,s）+O[img=7x22]1803dd5fc76d5f3.png[/img](g) ==== CO[img=7x22]1803dd5fc76d5f3.png[/img](g) C: C（石墨,s）+O[img=7x22]1803dd5fc76d5f3.png[/img](l) ==== CO[img=7x22]1803dd5fc76d5f3.png[/img](l) D: C（石墨,s）+O[img=7x22]1803dd5fc76d5f3.png[/img](g) ==== CO[img=7x22]1803dd5fc76d5f3.png[/img](l)