Chemistry Solved_Part_26

Chemistry Solved_Part_26 - Week 15 6 What is the molar...

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©2010 Digital Interactive Video Education Week 15 77 6) What is the molar volume of helium at STP conditions? The density of helium at STP conditions = 0.178 g/L . 7) 3 pts per section. Methanogenesis, the formation of methane gas (CH 4 ) by anaerobic bacteria, commonly occurs in the sediments of lakes. For the purposes of problem solving, assume the reaction continues even at STP conditions: 4H 2 (g) + CO 2 (g) CH 4 (g) + 2H 2 O (l) a) At STP conditions, what volume of methane would be produced by the reaction of 8.00 moles of hydrogen? b) At STP conditions, how many grams of methane will be produced when 5.0 liters of CO 2 react? ( )( ) = 22.5 liters/mole 4.003 g 1 mole 1 liter 0.178 g 8 moles H 2 ( )( ) = 44.8 ℓ CH 4 4 moles H 2 22.4 ℓ 1 mole CH 4 5.0 ℓ CO 2 ( )( )( ) = 3.58 g CH 4 1 mole CH 4 1 mole CO 2 1 mole CH 4 1 mole CH 4 16.042 g CH 4 1 mole CO 2 22.4 ℓ CO 2
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©2010 Digital Interactive Video Education LESSON 31: IDEAL GAS LAW Assignment: 1) Read textbook pages corresponding to this topic. 2)
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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_26 - Week 15 6 What is the molar...

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