Hydrogen cyanide gas can be made by a two step process. First, ammonia is reacted with oxygen gas to give nitrogen monoxide and water vapor. In the next step, nitrogen monoxide is reacted with methane (CH4) to give hydrogen cyanide gas. The by-products are water and hydrogen gas. Write the balanced equation for the two reactions.  When 21.6 g of ammonia and 28 g of methane are used, how many grams of hydrogen cyanide can be produced? (This is a limiting reactant problem)

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