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If it were possible for H2O to absorb all of the energy released, what would be the temperature of the resulting gas? A mixture of 4.0 mol of H2(g) and 2.0 mol of O2(g) is placed in a sealed evacuated container made of a perfect insulating material at 28 ∘C. The mixture is ignited with a spark and it reacts to form liquid water.
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