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Tue 4:21 PM Q. Chrome Ed View History Bookmarks Window Help www.saplinglearning.com/ x AS14 151 syllabus CHEM x c Homework Help Ask A Qu x University of Arizona PH C www.sapling learning.com 1076806 sider UAccess Da Email f Facebook A Cat mai Soundcloud YouTube Audio Converter Sunrise ebay A D2L Sapling vubey Google App gout Jump to sapling lea DJ NEWEST m Sapling Learning University of Arizona PHYS 102-Spring14 Fleming Activities and Due Dates HW 12: M & Thermodyna .mp3 Resources My Assignment Grade Assignment Information 5/8/2014 55 PM Attempts Score Cal Print dic Tab Available From: 5/3/2014 11:55 P of 8 XM 5/8/2014 55 PM Library.xml Points Possible: 100 Grade Category: Homework The figure below is a pressure versus volume graph where the different curves represent different done on a gas. Starting the origi the p nd volum Description: 2.500 x 103 Pa and 4.42 ma respectively. From 1 to 2 the gas expands at constant pressure to a volume of 7.42 m3. From 2 to 3 the p s to 4328 Pa, And nally from 3 to 4 the gas expands ag n to 10.00 sure Policies: m3. Using the ranking module, rank the curves from the most positive to the most negative amount of work done on the gas creen Sho You can check your answers Most Po 8.19 PM plet give up on any question You can keep trying to answer each question until you get it right or give up You lose 5% of the points available to each Screen Shot quest 14 9.52 PM attempt at that answer. Most Negative Work 1-2 0-1 3-4 23 OI Help With This Topic Wh work done on the gas? OIWeb Help & Videos V (cubi Numb OITech d B Supp Rep on Check Answer Next Exit Previous Up & Vi 8 Hint O 20

Explanation / Answer

work done is equal = area under PV curve

since gas is expanding, the work done on the gas is negative

from origin to 1 , W1 = 1/2 X 2.500

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