7/25/2019 Compo1Tec_bordj.pdf

1/2 1

:2

: + 30/11/2010

::::))))8888

((((

V= 100 mL ( H++ NO3-) 1 mol/LC =

m = 19,2 g ( Cu ).

1 OX/ Red Cu+2/Cu)(NO3-/NO)(

/ .

/ .

/ ./ .

2/ 250c P = 105pa

/

VM=24 L

/

( VNO) ( x)

3/

VNO

/

t= 20 s

/

t = 30 s

4/

(t) ( x)

t = 30 s

: :

:PV=nRT

R=8.31jK-1

moL-1

M(Cu)=64g/moL

H+= 35 ms m

2/moLNO3

-= 7.14 ms m

2/moL

Cu2+

= 10.4ms m

2

/moL

:6

I

131

53

.

j8)8 ).

1 .

2 .

3 Bq102,3)0(A=0t7=

.

:

0 1

1

10

0.6

VNo(L)

t(s)

7/25/2019 Compo1Tec_bordj.pdf

2/2 2

403224168)j(t

710)Bq(A

Aln

A=f(t).

.

Aln t .

1Bq) (

4 0

N.

:6 1/ )

238U )

( 20682Pb )

()

().

:2 3 8 2 0 6

9 2 8 2U x y P b + +

( t =0)

NU(0) (NU(t( (t

/ ( ( y( (x

/

.

/

N=N0/16 t=4 t1/2

/

( t )

:NPb(t) =NU(0) (1 e-t

)

2/ .

/

/

m = 1 g

/ 30 p = 25 x106w

:m(U) = 238.0003um(Pb)=205.9295um(He)=4.0015um(e)=0.00054u

mol-1

A=6.023x1023

1 MeV=1.6x10-13

j1u=931.5Mev/C2