>> . . 10 .

8.

 


7

1. , , ?

2. - (. . 8.11)?

3. 1 3 ? (. . 8.9). ρ = 11 300 /3. = 0,207 /. NA = 6,02 10-23 -1.

4. . , . , ?

5. 0 . , -40 . , , , , -17 . ?

6. m1 = 160 , m2 = 400 t1 = 25 , m3 = 50 , t2 = 0 ? 1 = 380 /( ) 2 = 4,2 103 /( ). λ = 3,34 105 /.

7. . , 270 272 , Q1 = 2100 , 272 274 , Q2 = 69 700 . 1 = 2,1 103 /( ) 2 = 4,2 103 /( ). λ = 3,34 105 /.

8. , t1 = 300 , m2 = 0,25 t2 = 0 . , , m3 = 0,24 t3 = 100 . ? 1 = 800 /( ), 2 = 4,2 103 /( ). λ = 3,34 105 /, 100 r = 2,3 106 /.

9. 0,5 , -8 . , ? λ = 3,34 105 /. , , . . = 4,2 103 /( ).

10. , , 0 . . 0 ? 0 λ = 3,34 105 /, 0 r = 2,5 106 /.

11. 1 20 250 . , 5 . .

12. 100 0 . 15 2 . , 10 . λ?

13. 100 0 = 1200 . , 138 1 .

14. m1 = 500 m2 = 54,4 t1 = 0 . m3 = 6,6 t2 = 100 . t ? m = 2,3 106 /, λ = 3,34 105 /, = 4,2 103 /( ).

15. . , -12 . = 2,1 103 /( ). 0 λ = 3,34 105 /.

 

 

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