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C6HW10a - View Attempt Vie Attempt 1 of unlimited T it le C...

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12/18/11 View Attempt 1/4 learn.uh.edu/webct/urw/«/ViewStudentAttempt.dowebct?attempt=5037806« VieZ Attempt 1 of unlimited Title: C6HW10a Started: November 8, 2011 10:39 AM Submitted: November 8, 2011 10:39 AM Time spent: 00:00:04 Total score: 0/10 = 0% Total score adjusted by 0.0 Maximum possible score: 10 Done 1. In thermodynamics, the units of heat are typically expressed in Student Response Correct AnsZer 1. Ergs per second 2. Newtons per (meter) 2 3. kilograms per (second) 2 4. Joules 5. mass per unit charge Score: 0/1 2. Which would increase the internal energy of your body (the system)? Student Response Correct AnsZer A. exercising by lifting weights B. going outside on a cold day C. drinking a cup of hot chocolate D. taking a cold bath E. None of these Score: 0/1 3. A system releases 255 cal of heat to the surroundings while delivering 428 cal of work. What is the change in internal energy of the system (in cal)? Student Response Correct AnsZer A. 173 cal B. ±683 cal C. ±173 cal
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12/18/11 View Attempt 2/4 learn.uh.edu/webct/urw/«/ViewStudentAttempt.dowebct?attempt=5037806«
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