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Chemistry Homework HELP!!!?

How much energy is liberated when 0.100 mole of H2 at 25 degrees Celsius and 1 atmosphere is combined with enough O2(g) to make liquid water at the same conditions?

Here's the equation needed:

H2(g) +1/2 O2(g)-------->H2O(I) + 68.3 kcal

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