• 2022-06-29
    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}
  • D

    举一反三

    内容

    • 0

      某温度下,反应SO[img=7x22]17de880a1a61123.png[/img](g) + 1/2 O[img=7x22]17de880a1a61123.png[/img] (g) ⇌ SO[img=7x22]17de8813b79b12f.png[/img] (g)的平衡常数 [img=27x21]17de880afb66542.png[/img]=50;在同一温度下,反应2SO[img=7x22]17de880a1a61123.png[/img](g) ⇌O[img=7x22]17de880a1a61123.png[/img] (g) +2SO[img=7x22]17de880a1a61123.png[/img](g)的[img=27x21]17de880afb66542.png[/img]值应为( ) 未知类型:{'options': ['2500', '100', '4[img=14x19]17de8815af4f282.png[/img]10[img=17x22]17de8815bb269a0.png[/img]', '2[img=14x19]17de8815af4f282.png[/img]10[img=17x22]17de8815c6c8a8e.png[/img]'], 'type': 102}

    • 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

      某温度下,反应SO[img=7x22]1803dd4579ea6e3.png[/img](g) + 1/2 O[img=7x22]1803dd4579ea6e3.png[/img] (g) ⇌ SO[img=7x22]1803dd458bc634c.png[/img] (g)的平衡常数 [img=27x21]1803dd45952db96.png[/img]=50;在同一温度下,反应2SO[img=7x22]1803dd4579ea6e3.png[/img](g) ⇌O[img=7x22]1803dd4579ea6e3.png[/img] (g) +2SO[img=7x22]1803dd4579ea6e3.png[/img](g)的[img=27x21]1803dd45952db96.png[/img]值应为( ) A: 2500 B: 100 C: 4[img=14x19]1803dd45c0111e0.png[/img]10[img=17x22]1803dd45c90b485.png[/img] D: 2[img=14x19]1803dd45c0111e0.png[/img]10[img=17x22]1803dd45db0d16c.png[/img]

    • 3

      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]

    • 4

      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)