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[ jangan lupa bintang dek :) ]C3H8 + 5O2 → 3CO2 + 4H2O
delta H ?
jawab
anggap delta H = dH
dH reaksi = dH produk - dH rektan
dH reaksi = [ ( dH C3H8) + ( dH O2 ) ] - [ 3 ( dH CO2 ) + 4( dH H2O ) ]
dH reaksi = [ -104 + 0 ] - [ -1179 - 1032 ]
dH reaksi = -104 + 2211
dH reaksi = + 2107 kj/mol
jawabnya B