A: 373.15
B: 372.95
C: 373.4
D: 370
举一反三
- 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)
- 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]
- 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)
- 在一定温度下列过程中熵变最大的是( )。 A: H[img=7x22]1803dd41e47816d.png[/img]O(s) → H[img=7x22]1803dd41edb5a5f.png[/img]O(l) B: H[img=7x22]1803dd41e47816d.png[/img]O(s) → H[img=7x22]1803dd41edb5a5f.png[/img]O(g) C: H[img=7x22]1803dd41e47816d.png[/img]O(l) → H[img=7x22]1803dd41edb5a5f.png[/img]O(g) D: H[img=7x22]1803dd41e47816d.png[/img]O(l) → H[img=7x22]1803dd41edb5a5f.png[/img]O(s)
- 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}
内容
- 0
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]。
- 1
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)
- 2
假定Sb[img=7x22]1803dd49c179016.png[/img]S[img=7x22]1803dd49c99e260.png[/img](s)的溶解度为x mol·L[img=17x22]1803dd49d248c3b.png[/img],则[img=28x28]1803dd49dafed3c.png[/img]应为( )。 A: [img=28x28]1803dd49e3a9672.png[/img]=x[img=7x22]1803dd49ec515a7.png[/img]·x[img=7x22]1803dd49f5a7624.png[/img]= x[img=7x22]1803dd49fdc3ba4.png[/img] B: [img=28x28]1803dd4a062ad6a.png[/img]=2x·3x=6x[img=7x22]1803dd4a0f09d1e.png[/img] C: [img=28x28]1803dd4a062ad6a.png[/img]=x[img=7x22]1803dd4a0f09d1e.png[/img] D: [img=28x28]1803dd4a062ad6a.png[/img]=(2x)[img=7x22]1803dd4a323468e.png[/img]·(3x)[img=7x22]1803dd4a3a6fefa.png[/img]=108x[img=7x22]1803dd4a4341475.png[/img]
- 3
已知反应2NO (g)+Br[img=7x22]1803dd444822fc5.png[/img] (g) →2NOBr(g) (1) NO (g)+Br[img=7x22]1803dd445111c1c.png[/img] (g) ⇌ NOBr[img=7x22]1803dd445aace2d.png[/img] (g) (快)(2) NOBr[img=7x22]1803dd4462b89d4.png[/img] (g) + NO (g)→2NOBr(g) (慢)则该反应的速率方程可能是( )。 A: v=kc(NO) B: v=kc[img=7x22]1803dd446b2976b.png[/img](NO) C: v=kc[img=7x22]1803dd4472ef35f.png[/img](NO)c(Br[img=7x22]1803dd447bf9f95.png[/img]) D: v=kc(NOBr[img=7x22]1803dd4484fc78d.png[/img])c(NO)
- 4
相同质量的尿素CO(NH[img=7x22]1803dd61f321e36.png[/img])[img=7x22]1803dd61f321e36.png[/img]和葡萄糖C[img=7x22]1803dd620476232.png[/img]H[img=13x22]1803dd620ce2498.png[/img]O[img=7x22]1803dd620476232.png[/img]分别溶于100g水中,所得两溶液的沸点相同。( )