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Sample Exam Questions for Exam 1 for Physics 182 MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question.
 

Summary: Sample Exam Questions for Exam 1 for Physics 182
MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question.
1) The diagrams shows a PV diagram for 4.3 g of oxygen gas in a sealed container. The temperature of state 1 is 21
C. What are the temperatures T3, and T4?
A) 11 C and 32 C
B) -52 C and 390 C
C) 16 C and 47 C
D) 220 C and 660 C
2) A 406.0 kg copper bar is put into a smelter for melting. The initial temperature of the copper is 300.0 K. How
much heat must the smelter produce to completely melt the copper bar? (The specific heat for copper is
386 J/kgK, the heat of fusion for copper is 205 kJ/kg, and its melting point is 1357 K.)
A) 1.66 1011 kJ
B) 1.66 108 kJ
C) 2.96 105 kJ
D) 2.49 105 kJ
3) 4.8 mol of gas #1 initially has 9000 J of thermal energy. It interacts with 3.4 mol of gas #2, which initially has
5000 J of thermal energy. If both gases are monatomic, what is the change in thermal energy of gas #1?
A) -0.80 kJ
B) -2.0 kJ
C) -0.32 kJ

  

Source: Alexander, Stephen G. - Department of Physics, Miami University (Ohio)

 

Collections: Physics