• Kimia
  • Kimia Fisik dan Analisis Kelas 11 SMA
  • Termokimia
  • Perubahan Entalpi Standar (∆Ho) untuk Berbagai Reaksi

Video solusi : Diketahui: C2H2 + 2 1/2 O2 (g) -> 2 CO2 (g) + H2O (I) delta H = -1305 kJ C2H2 (g) + H2 (g) -> C2H4 (g) delta H = -174kJ 2 H2 (g) + O2 (g) -> 2 H2O (I) delta H = -572 kJ Tentukan delta H pembakaran C2H4 (g)! Na^+ and Cl^- ions in the gaseous state Step 2 Heat of hydration -> delta Hhydr = -784 kJ/mol Step 1 Lattice energy -> U = 788 kJ/mol Heat of solution delta Hsola = 4 kJ/mol Na^+ and Cl^- ions in the solid state Hydrated Na^+ and Cl^- ions

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