How many grams of hydrogen gases are produced, Chemistry

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How many grams of hydrogen gases are produced

CH₃OH (g) --> CO (g) + 2H₂(g) ;ΔH=90.7 kJ

(a) Is heat absorbed or released in the course of this reaction?

(b) Calculate the amount of heat transfer when 40.7 g ofCH₃OH gas is decomposed by the reaction at constant temperature.

(c) For a given sample of CH₃OH, the enthalpychange on reaction is 25.8 kJ. How many grams of hydrogen gases are produced?

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Chemistry: How many grams of hydrogen gases are produced

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Chemistry: How many grams of hydrogen gases are produced

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