ideal+gas+solutions

# ideal+gas+solutions - A slower cooling would be preferable...

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Question 2 14.697 psi (or 1.01 bar) Question 3 Mass of gas + piston = 111.486 g Mass of piston = 111.420 g Mass of Gas = 0.066 g 0.066/16 (MWt of CH4) = 0.004125 moles Question 4 temperature volume -70 68.91 -60 72.66 -50 75.85 -40 79.14 -30 82.65 -20 85.83 -10 89.46 0.02 92.85 10 96.25 21 100 30 103.08 40 106.47 50 110.15 60 113.53 70 116.63 Question 5 80 120.19 90 123.49 Question 6 Question 7 Question 8 Question 9 Question 10 -80 -60 -40 -20 0 20 40 60 80 100 120 140 f(x) = 0.34x + 92. T Volumee

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slope = 0.3412 intercept = 92.87 To = -(intercept/slope) = -272.19 actual accepted = -273.15 error = 0.35 % error (good agreement!) A larger amount of Gas would allow a more accurate determination of the volume presnt
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Unformatted text preview: A slower cooling would be preferable in order to obtain a more accurate volume determination. it also allows the canister and thermostat to reach equilibrium (the value you record is in fact the temp The condensation should not affect the conclusion of this determination. The main source of error will be leaks in the apparatus and experimental errors! 20 40 60 80 100 .87 Column B Linear Regression for Column B Temperature perature of the gas!)...
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## This note was uploaded on 02/06/2011 for the course CHEM 115L taught by Professor Nakkiew,pichaya during the Spring '10 term at Grand Canyon.

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ideal+gas+solutions - A slower cooling would be preferable...

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