عناصر-الإجابة-فرض-محروس-رقم-1-ع-ف-الدورة-1-2012-2013-

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0,25 0,25 
 = 2.10-2 mol CaCO3) = n0(
n0(H3O+) = C.VS = 10-2 mol 
XX
0,5 
XX
2
0,25 0,25
xmax xmax = 5.10-2 mol
XX
0,5 
0,25
 xt Patm V(CO2)(t)R
x(t) = n(CO2)(t) = 
xt = 20 s x(t= 20 s) = 1,2 .10-3 mol
XXX
0,5 0,25
  121 mlVmax(CO2) = 
XXX
0,25 
v = 
X
0,25 +0,25 0,25 + 0,25 ) (
 V(t=0) v(t = tf) = 0 
XXXX
0,25)(
0,5 / 
= 50 s
X
XX
0,25+0,25  )(
X X
9
0,25 
0,25
X
XX
10
0,25 0,25
 += 4,25 S .m-1 
XX XX
11
0,5
 x = 4,25  580 x (SI)
XX
12
0,25  0,25 
 tf = 4,25  580 xmax (SI)
= 1,35 S.m-1
X X
13
0,25 +0,25 0,25 
 = 10 cm vN = 20 m.s-1
X
XX XX
30
0,25 
 t1 = 12,5 ms t1 = 
XX
0,25 +0,25
 SM2 M3  SM2 SM4 
XX
0,25 0,25
 dt2  d = v  t2 = 55 cm
XXX
0,25 /  0,25 
 tN  N   = 7,5 mstN = 
X
0,25  0,25 
 SN
XX
0,25 0,25 / 
X
 4,5 
0,5 0,25 /
X X
0,5 
 =  tg= tg   
X
0,5
 = 
X
0,5  0,25+0,25+0,25
 L L = 
aD
XX X
0,5
XX

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0,5
XX
0,25 0,25
= 4,8 .10-14 Hz N = 
X
1
 5,5 
25
0,25 +0,25 + 0,25
nv
X
0,25 +0,25
n = 
X
0,25 + 0,25 0,25
=1,8 .108 m.s-1 v =
 79 nm
XX
0,5 + 0,5
1,5 
DD = i + i  A = 40 +48  50 = 38
XXX