Peoples Physics Book Version-3

19.4. Heat Engines http://www.ck12.org

TABLE19.4:

state Volume inm^3 × 10 −^3 Pressure inN/m^2 × 105

A 1. 04 2. 50

B 1. 04 4. 00

C 1. 25 4. 00

D 1. 50 2. 50

Answers to Selected Problems

1..
2..
3..
4..
5..
6..
7..
8..
9..
10..
11..
12..
13..
14..
15..
16..
17..
18..
19. 800,000 cal or 3360 kJ

1. 150 cal (630 J)


2. same as a!


3. 
   
   
   
   0. 027 cal/g◦C( 0. 11 J/g◦C)
   
   
   
   


4. 67,000 J


5. 67.2 s


6. 1.1 min


7. 11.0 g


8. 
   
   
   
   31. 8 ◦C
   
   
   
   


9. 
   
   
   
   0. 44 cal/g◦C
   
   
   
   


10. 1600 cal (6720 J)


11. 1800 cal (7560 J)


12. 59.3 cal/g


13. 517 m/s


14. 
    
    
    
    1. 15 × 1012 K
       26..
    
    
    
    


15. 40 N
    28.≈ 1028 molecules


16. 21,000 Pa