Hydrogen gas reacts with oxygen to form water. 2H2(g) + O2(g) à 2H2O(g) ∆H = -483.5 kJ
Determine the mass of hydrogen gas required to produce 226 kJ of heat.
(A) 8.64 g
(B) 1.89 g
(C) 0.944 g
(D) 3.77 g

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