Chemistry Solved_Part_22

Chemistry Solved_Part_22 - ©2010 Digital Interactive Video...

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Unformatted text preview: ©2010 Digital Interactive Video Education Week 13 65 2) Ammonia (NH 3 ) can be converted to nitrogen and hydrogen gas in the presence of a tungsten catalyst: 2NH 3 (g) → N 2 (g) + 3H 2 (g) a) How many moles of nitrogen gas form when 41.3 g of ammonia are reacted? b) How many moles of hydrogen gas form when 88.8 g of ammonia are reacted? c) How many grams of ammonia are required to make 11.3 moles of hydrogen gas? d) How many grams of nitrogen form when 27.6 moles of ammonia are catalyzed? 41.3 g NH 3 ( )( ) = 1.21 moles N 2 1 mole N 2 2 moles NH 3 1 mole NH 3 17.034 g NH 3 88.8 g NH 3 ( )( ) = 7.82 moles H 2 3 moles H 2 2 moles NH 3 1 mole NH 3 17.034 g NH 3 11.3 moles H 2 ( )( ) = 128 g NH 3 2 moles NH 3 3 moles H 2 27.6 moles NH 3 ( )( ) = 387 g N 2 17.034 g NH 3 1 mole NH 3 1 mole N 2 2 moles NH 3 1 mole N 2 28.02 g N 2 ©2010 Digital Interactive Video Education Week 13 66 LESSON 26: STOICHIOMETRY III: MASS TO MASS CONVERSIONS Assignment: 1) Read textbook pages corresponding to this topic.Read textbook pages corresponding to this topic....
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This document was uploaded on 10/31/2011 for the course CHM 2046 at University of Florida.

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Chemistry Solved_Part_22 - ©2010 Digital Interactive Video...

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