Remote2
.pdf830 133,3 29 10 3 1,3 3 . 8,3 290
: = 1,3 3.
. -
: V BT ,
B 5 10 3 3 .
, U , -
Q, -
T = 40 P 2 105 2 .
:
i = 5 ( )
T = 40
= 2 105 2
R = 8,3 /( ) B 5 10 3 3
CP – ? U – ? Q – ? A - ?
. -
, , , -
( = const).
:
U i R m T ; 2
m
Q cP T ;
A Q U ;
m
CP cP ,
m – .
21
cV i R – ; 2
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m -
. , -
:
PV m RT , V mR T .
P
, , , B mR .
P
, m BP .
R
:
U i R BP T ; 2 R
CP BP cP ; R
Q BP cP T ; R
A Q U .
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:
U 5 5 10 3 2 105 40 1 105 ; 2
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10 3 2 |
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3,5 103 ; |
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A 1, 4 105 1 105 4 104 |
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: CP 3,5 103 ; |
U 1 105 ; |
Q 1, 4 105 ; |
A 4 104 .
. 280 -
5 .
:
m = 280 = 28 10–2
= 28 10–3
R = 8,3 /( )S – ?
. :
Q dU A ,
A PdV ,
dU m cV dT 0 , dT 0 .
,
PV m RT , P m RT ;
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[S] = ( )/( ) = .
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28 10 2 8,3 |
ln 5 1,3 102 . |
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201.1,0 ?
202.-
V = 0,50 ?
203.n , -
V = 3 .
0,5 .
204.= 0,5 m = 0,50
.
205..
206.,
V = 3 ,
n= 2,0 1018 –3
207.9,0 ?
208.m = 10
. ?
24
209.V = 3,0 m =
=10 . n.
210.5,0 ?
211.. -
P1 = 1,8 , T1 = 750 , -
2 = 2,0 , T2 = 250 . -
= 280 .
.
212.= 450 .
= 1,5 = onst.
213.V = 30
= 273 . ,
= 80 . m -
. .
1 = 2,4 P2 = 3,6
?
215.m
V = 10 27 ° = 100 .
216.V = 22
= 380 . ,
= 180 . m -
. .
217.30
22 ° 5,0 105 ,
– 1,3 3.
218.V = 20 -
= 360 .
m = 50 ?
219.,
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= 100 , = 300 .
220.V = 15 -
t 23 C = 200 .
m , 0,7.
221. , -
t = 27 ° , = 0,5 .
25
222.V = 2,0
= 0,50 .
.
223.V = 0,05 3 = 0,12
= 6,0 .
.
224.t = 27 ° . -
, -
NH3, < >
-
.
, 7,0 -
16 ° .
?
226.-
t = 18 ° , -
.
= 1,0 .
227.-
,
, ,
= 600 .
228., -
, -
6,2 . -
.
229. m = 12
t = 700 ° , 40 % .
.
230.m = 2,0 1 =
=400 2 = 300 . -
, -
.
231., 1 = 120 -V = 8,0 , .
,
. P, V.
232.m = 35 , = 295 ,
, 3,5 .
26
2
. .
233.0,15
1 = 215 2 = 400 . 1 -
, Q .
234.m = 1,8 -
1 = 410 2 = 295 . -
, .
235.P1 = 0,20
V = 2,1 , P2 = 1,0
V = 4,8 . , , -
, .
236., -
V1 = 2,0 V2 = 10 . -
P1 = 1,4 .
Q = 21 . -
? ?
238.250 2,5
. Q -
, ?
= 320 .
239.V1 =
=2,1 P1 = 0,22 , P2 = 1,0
V2 = 5,0 . , -
,
-
, .
240.= 300 1 =
=295 . -
= 30 . 2.
241.V = 150
= 350 = 0,2 . -
V , = 1,4.
242.V , -
= 350 = 0,4
V = 3 .
243., -
= 350 = 0,4 -
V = 300 V = 857 .
27
244., -
= 29,05 103 /( K).
245.V = 6 -
.
V.
246.,
-
V = 10,4 /( ) = 14,6 /( ).
247.-
, , = 20 10 –3 . 248. , ,
= 4 10–3
/ V = 1,67.
249.= 240 -
t = 20 ° V = 10 .
.
V = 5 . V -
.
251.SO2 -
200 210…220 ; 420…430 ?
, = 400 ?
-
?
253., 78 % , 21 %
1 % ( ), , -
20 C -
350 360 .
254., -
, , -
v v , v 20 / c ?
1 = 400 2 = 900 .
255.,
(CH4) 0 . 256. , -
28
, (
10–8 ).
257., -
1 3 : ) 99
101 , ) 499 501 . -
1,25 3.
258., -
1 %?
259.,
299 301 ,
149 151 , -
300 .
260., -
299 301 , -
, 599 601 ?
261.m =
= 2 1 = 50 P2 = 0,5 . -
.
262.S
Q, m = 4 , -
.
V1 = 5 V2 = 9 .
263.m = 2 –
, – .
, n = V2/V1 = 5?
264.m = 1 -
. -
.
.
265.m = 100 ,
n , -
, n .
, n = 3.
266.m = 0,1 -
T1 = 200 2 = 400 .
S , .
= 300 n = 3 . -
, , Q, ,
S . m 200 .
29
268. S
Q, ,
V = 50 , -
. = 0,5 .
269. m1 = 5 1 = 280m2 = 8 T2 = 350 . : 1) -
; 2) S ,
. = 4,2 /( ). 270. m = 200 ,
t1 = –10 ° , t2 = 0 ° , -
t3 = 10 °C. -
S .
= 2,1 /( ), = 4,2 103 /( K),
= 3,36 105 .
271., ,
1 = 450 .
Q2 = 14 , = 6 .
2.
272., , -
Q1 = 5,6 = 2,2 .
, -
1 = 500 .
273..
1 = 450 , 2 = = 270 . , 1,
, -
2 = 60 .
274.-
,
. -
: Pmax = 0,20 , Pmin = 0,10 ,
: Vmax = 3,0 3 Vmin = 2,0 3. :
1)Q1, ; 2) Q2, -
; 3) , ;
4).
,
,
,
.
.
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