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i safari File Edit View History Bookmarks Window Help 45% D- Sat 9:19 PM Q,0 usuO4az.theexpertta.com The Expert TA | Human-like Grading, Autornated! Physics question Chegg.com Class Management Help PHY-111 Topic 6 Homework Begin Date: 8/28/2017 12:00:00 AM-Due Date: 11/262017 11:59:00 PM End Date: 11/29/2017 11:59:00 PM (1%) Problem 31: The first law of thermodynamics relates the heat transfer into or out of a system to the change of internal and the work done on the system. Assignment Status Click here for detailed view How much heat, in Joules, is transferred into a system when its internal energy decreases by 170 J while it was performing 32 J of work? Grade Summary 9 0% 100% Problem Status tan() |( 1 Completed 2 Completed 3 Completed 4 Completed 5 Completed 6 Completed 7 Completed 8 Completed Completed 10 Completed 11 Completed 12 Completed 13 Completed 14 Completed 15 Completed 16 Completed 17 Completed Completed Attempts remaining: S cotan0 asin acos 4 5 6 % per attempt) detailed view atan)acotan sinh cosh an cotanh0 Degrees O Radians 0 vo Subeait Hiat I give up! Hints: ()% deduction pe r hint. Hints remaining: Feedback: 1% deduction per feedback. 10,317 25Explanation / Answer
here,
from the first law of thermodynamics
dU = Q - W
dU -> change in internal energy
Q -> heat supplied to the system
W -> work done
Q = - 170 + 32 J
Q = - 138 J
the heat transferred into the system is 138 J
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