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ta The Expert TAI Human-lik x C https:// usg15il.theexpertta.com. /Common/Take TutorialAssignment.aspx y Account og Oui facebook You Tub Home Class Management I Help HW10 Begin Date: 1 2/1/2015 8:00:00 AM Due Date: 12/7/2015 11:50:00 PM End Date: 12/15/2015 12:00:00 AM (S%) Problem ll: Consider the change in the internal energy of a system Assignment Status Click here for 100 Part (a) What is the change in the internal energy in joules, of a system that does 4.625 x 105 Jof work, while 3.25 x 00 J of heat detailed view transferred into the system and 795 100 J of heat s transferred from the system to the environment Grade Summary AU Deductions 10% Problem Status tial 90% Completed sino coso tano 7 8 9 HoME Completed Sub Attempts remaining: 8 Partial 5% per attempt) Completed atano acotano sinh0 detailed view Partial cosh00 tanho cotanh0 Completed EVO BACKSPACE CLEAR Degrees O Radians Hint Feedback I Completed Submit give up! Partial Hints: 0% deduction per hint. Hints remaining: 1 Feedback: 0% deduction per feedback. 10 Completed 11 Partial 12 Completed All content E 2015 Expert TA, LLC 11:39 AM 25/20Explanation / Answer
the First Law of Thermodynamics, which states that the change in internal energy of a systen is equal to the heat added to the system minus the work done by the system
deltaU = deltaQ - w
deltaQ = (7.95 - 3.25) * 106 = 4.7 * 106 J
w = 4.625 * 105 J
deltaU = (47 - 4.625) * 105 = 42.375 * 105 J
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