How much Butane? in Chemistry?
Butane, when completely reacted with oxygen, forms carbon dioxide and water:
2 C4H10 (g) + 13 O2 (g) 8 CO2 (g) + 10 H2O (l) ΔH = - 5314 kJ
How much butane must be reacted to produce 6375 kJ of heat?
97.8 g
116 g
139 g
69.7 g
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Verified answer
From equation given,
5314 kJ of heat produced by 2 moles butane = 2 x(48+10) g butane
use simple proportion to scale to 6375kJ