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Entalpi standar pembakaran isobutana dan n-butana adalah − 2870 kJ mol − 1 dan − 2875 kJ mol − 1 pada suhu 298 K dan 1 atm. ΔH ∘ untuk konversi 1 mol n-butana menjadi 1 mol isobutana sebesar.…

Entalpi standar pembakaran isobutana dan n-butana adalah dan pada suhu 298 K dan 1 atm. untuk konversi 1 mol n-butana menjadi 1 mol isobutana sebesar.… 

  1. negative 5 space kJ space mol to the power of negative 1 end exponent space

  2. plus 5 space kJ space mol to the power of negative 1 end exponent space space

  3. negative 8 space kJ space mol to the power of negative 1 end exponent

  4. plus 8 space kJ space mol to the power of negative 1 end exponent

  5. negative 5745 space kJ space mol to the power of negative 1 end exponent

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I. Yassa

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Diketahui

Diketahui 

ΔH subscript straight c space isobutana space equals space minus 2870 space kJ space mol to the power of negative 1 space end exponent ΔH subscript straight c space straight n minus butana space equals space minus 2875 space kJ space mol to the power of negative 1 end exponent  isobutana space plus space 13 divided by 2 space straight O subscript 2 space rightwards arrow space 4 space CO subscript 2 space plus space 5 space straight H subscript 2 straight O space space space ΔH space equals space minus 2870 space kJ space mol to the power of negative 1 space end exponent straight n minus butana space plus space 13 divided by 2 space straight O subscript 2 space rightwards arrow space 4 space CO subscript 2 space plus space 5 space straight H subscript 2 straight O space space space ΔH space equals space minus 2875 space kJ space mol to the power of negative 1 end exponent space space  straight n minus butana space plus space 13 divided by 2 space straight O subscript 2 space rightwards arrow space 4 space CO subscript 2 space plus space 5 space straight H subscript 2 straight O space space space space space space space space space space space space space space space space space ΔH space equals space minus 2875 space kJ space mol to the power of negative 1 end exponent space space space bottom enclose 4 space CO subscript 2 space plus space 5 space straight H subscript 2 straight O space space space space space space space space space space space space rightwards arrow space isobutana space plus space 13 divided by 2 space straight O subscript 2 space space space space space space space ΔH space equals space 2870 space kJ space mol to the power of negative 1 end exponent space end enclose straight n minus butana space space space space space space space space space space space space space space space space space space space space space rightwards arrow space isobutana space space space space space space space space space space space space space space space space space space space space space space space space space space space space ΔH space equals space minus 5 space kJ space mol to the power of negative 1 end exponent

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