corpspur.py

Created by klfraimbow

Created on April 13, 2023

1.11 KB


solide, liquide, gazeuse... 
= c pur si pas un melange 
= 1 espece chimique

1 mol = N = 6,02.10**23 mol
(Constante Avogadro)

n(mol) = m(g)/M(g.mol)

n(mol) = V(L)/Vm(L.mol)

[Massique] 
Cm(g.L)= m(g)/V(L)
1L= 0,001 m**3 = 1 kg
[Molaire]
C(g.mol)= n(mol)/V(L)

Cm=C*M(g.mol)

[Fraction massique]
w = msolute/Msolution (g)
[Teneur massique]
%w=w*100

[Fraction molaire]
x = nsolute/nsolution (mol)
[Teneur molaire]
%x=x*100

Relation gaz parfait:
  P(Pa)*V(m**3) = n(mol)*R*T(K)
R= 8,314 J.mol.K
273,15 K = 0 C 
1bar = 10**5 Pa
p(kg.m**3)=m(kg)/V(m**3)

p = P*M/R*T

d= pcorspur / peau (kg/m**3)
d= pgaz/pair (kg/m**3)

-> gaz parfait : d = Mgaz/Mair (g.mol)

solubilite:
s(g.L)=S(mol.L)*M(g.mol)

Etapes dissolution solide ionique:
dissociation: solute est separer en constituants elementaire par le solvant
solvation:solvant entoure c elementaire arracher au solute
dispersion: constituant du solute entoure par le solvant qui sont disperser 
dans la solution

melange heterogene : au moins de phases distingue a l oiel nu
        homogene : 1 phase pas possible oeil nu
        
m=C*V*M
Vo=(C1*V1)/Co
F= Co/C1 ou V1/Vo

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