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owLv2 | Online teaching , Chegg Study I Guided S: x C cvg.cengagenow.com/ilrn/takeAssignment/takeCovalent Activity do?locator-assignment-take&takeAssignmentSessionLocator-assignment-take; : Apps : kober portal D 2004 Saturn L300 H: web chemucsbedu -Baltimore Classificat Acute Viral Hepatitis Hepatitis A Treatme Jaundice: MedlinePl Other bookmarks Time Remaining; 1:37:16 UNIT TEST Use the References to access important values if needed for this question. Question 10 Question 11 Question 12 Question 13 Question 14 Question 15 Question 16 Question 17 Question 18 Question 19 Question 20 Question 21 Question 22 Question 23 Question 24 Question 25 Progress: 1 pt 1 pt 1 pr 1 pt 1 pt 1 pt 1 pt 1 pr 1 pt 1 pt 1 pt 1 pt 1 pr 1 pt 1 pt 1 pt An automobile engine provides 641 Joules of work to push the pistons and generates 2335Joules of heat that must be carried away by the cooling system Calculate the change in the interal energy of the engine Joules Submit Answer Try Another Version 1 item attempt remaining 0/25 items Due Nov 2 at Previous Next 11:00 PM 8:46 PM 49.ul 11/2/2017Explanation / Answer
Q = -2335 J (negative because system is giving heat)
W = -641 J (negative because work is done by the system)
Now use:
delta U = Q + W
= -2335 J - 641 KJ
= -2976 J
Answer: -2976 J
Feel free to comment below if you have any doubts or if this answer do not work
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