在25℃,100kPa时,下面几种气体组成的混合气体中分压最大的是( )。
A: 0.1gH[img=7x22]1803dd5f584cbf3.png[/img]
B: 2.0gHe
C: 5.0gN[img=7x22]1803dd5f584cbf3.png[/img]
D: 10gCO[img=7x22]1803dd5f584cbf3.png[/img]
A: 0.1gH[img=7x22]1803dd5f584cbf3.png[/img]
B: 2.0gHe
C: 5.0gN[img=7x22]1803dd5f584cbf3.png[/img]
D: 10gCO[img=7x22]1803dd5f584cbf3.png[/img]
举一反三
- 在25℃,100kPa时,下面几种气体组成的混合气体中分压最大的是( )。 未知类型:{'options': ['0.1gH[img=7x22]17de88135aa7e8c.png[/img]', '2.0gHe', '5.0gN[img=7x22]17de88135aa7e8c.png[/img]', '10gCO[img=7x22]17de88135aa7e8c.png[/img]'], 'type': 102}
- 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]
- 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]