Stoichiometry 3 - lim rcts

Stoichiometry 3 - lim rcts - Chemistry Name _ Exercises -...

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Chemistry Name _________________ Exercises - Stoichiometry #3 (limiting rcts) Per ____ Date __________ 1. Given: N 2 + 3H 2 2NH 3 a. If 5.0 mol N 2 are combined with 14 mol H 2 and react to produce NH 3 how many moles of the excess reactant remain? [0.3 mol] b. If 22.0 mol H 2 are combined with 6.80 mol N 2 and react to produce NH 3 , how many moles of the excess reactant remain? [1.6 mol] c. If 1.900 mol N 2 are combined with 5.200 mol H 2 and react to produce NH 3 , how many moles of the excess reactant remain? [0.167 mol] d. If 34.0 mol N 2 are combined with 117 mol H 2 and react to produce NH 3 , how many grams of the excess reactant remain? [30. g] 2. How many cg of sulfur are produced when 7.4 g of hydrogen sulfide are reacted with 35 g of nitric acid? Water and nitrogen monoxide are also produced. [7.0 x 10 2 cg] 3. What is the theoretical yield of carbon dioxide in kg when 115 g of hexane, C 6 H 14 , is combusted with 436 g of oxygen? [0.352 kg] 4. Nitrogen monoxide is one of the precursors to acid precipitation. In order to remove it from the
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This note was uploaded on 07/10/2011 for the course MATH 251 taught by Professor Astina during the Spring '11 term at Portland State.

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Stoichiometry 3 - lim rcts - Chemistry Name _ Exercises -...

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