2H2(g) + O2(g)⇒2H2O(I) ΔH = -571 kj 2Ca(s) + O2(g)⇒2CaO(s) ΔH = -1269 kj CaO(s) + H2O(I)⇒Ca(OH)2(s) ΔH=-64kj/mol Delta h reaksi Ca(s) +O2(h)+H2(g)->Ca(OH)2(s) a
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Pertanyaan
2H2(g) + O2(g)⇒2H2O(I) ΔH = -571 kj
2Ca(s) + O2(g)⇒2CaO(s) ΔH = -1269 kj
CaO(s) + H2O(I)⇒Ca(OH)2(s) ΔH=-64kj/mol
Delta h reaksi
Ca(s) +O2(h)+H2(g)->Ca(OH)2(s) adalah
A.-1966kj/mol
B.-1904kj/mol
C.-1161 kj /mol
D.-984 kj/mol
E.-856 kj/mol
2Ca(s) + O2(g)⇒2CaO(s) ΔH = -1269 kj
CaO(s) + H2O(I)⇒Ca(OH)2(s) ΔH=-64kj/mol
Delta h reaksi
Ca(s) +O2(h)+H2(g)->Ca(OH)2(s) adalah
A.-1966kj/mol
B.-1904kj/mol
C.-1161 kj /mol
D.-984 kj/mol
E.-856 kj/mol
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