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CH 101 - HW9 Kinetics

# CH 101 - HW9 Kinetics - CH 101 HW9 Kinetics 9:36 PM...

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12/17/09 9:36 PM CH 101 - HW9 Kinetics Page 1 of 7 http://www.webassign.net/[email protected]/[email protected] Michelle Borges CH101, section 002, Fall 2009 Instructor: Ana Ison 1. 12/12 points All Submissions Notes Web Assign CH 101 - HW9 Kinetics (Homework) Current Score : 100 / 100 Due : Monday, November 9, 2009 06:00 PM EST About this Assignment Extension Requests Question Points 1 2 3 4 5 6 7 8 9 10 12 3 6 12 18 15 9 12 9 4 Total 100/100 Description Kinetics, equilibrium and LeChatelier The due date for this assignment is past. Your work can be viewed below, but no changes can be made. Assume the reaction of 31.04 g of O 2 in the following reaction to determine the other quantities. 2O 2 + 3Fe -> 1Fe 3 O 4 moles of O 2 reacting = 0.97 0.970 mol moles of Fe required = 1.455 1.455 mol moles of Fe 3 O 4 formed = 0.485 0.485 mol mass of Fe 3 O 4 formed = 112.30175 112.302 g

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12/17/09 9:36 PM CH 101 - HW9 Kinetics Page 2 of 7 http://www.webassign.net/[email protected]/[email protected] 2. 3/3 points All Submissions Notes 3. 6/6 points All Submissions Notes Determine the value of the equilibrium constant (report your answer to three significant figures) for the following reaction if an equilibrium mixture contains 0.010 mol of solid PbI 2 , and is 0.0100 M in Pb 2+ ions and 0.00081 M in I 1- ions. Use the notation 4.31e-5 to indicate a number such as 4.31 x 10 -5 .
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CH 101 - HW9 Kinetics - CH 101 HW9 Kinetics 9:36 PM...

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