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Unformatted text preview: 12/18/11 View Attempt 1/4 learn.uh.edu/webct/urw//ViewStudentAttempt.dowebct?attempt=5174046 VieZ Attempt 17 of unlimited Title: C6HW10a Started: November 21, 2011 9:35 PM Submitted: November 21, 2011 9:48 PM Time spent: 00:13:24 Total score: 8/10 = 80% Total sc ore adjusted by 0.0 Maximum possible sc ore: 10 Done 1. Thermal dec omposition of rail c ar load of limestone to lime and c arbon dioxide requires 8.30 x 10 6 kJ of heat. Convert this energy to c alories. Express your answer in sc ientific notation: 1.25 x 10 3 = 1.25E3 with 3 signific ant figures. 1 c al = 4.184 J Student Response Correct AnsZer AnsZer: 1.98e9 1.98E9 (1.98 10 9 ) Sc ore: 1/1 2. Whic h would inc rease the internal energy of your body (the system)? Student Response Correct AnsZer A. exerc ising by lifting weights B. going outside on a c old day C. drinking a c up of hot c hoc olate D. taking a c old bath E. None of these Sc ore: 0/1 3....
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