L1
1L=1kg=1dm3 1bar=10**5 Pa 1mmHg = 133,3 Pa 1cmHg = 1333 Pa p(kg.m**-3) = m(kg)/V(m**3) d= pcorps/peau P(Pa)=F(N)/S(m**2) 13,6 (g) 10**-3 (kg) ---- -> 13,6 * ------- 1 (cm3) 10**-6 (m**3) ---------------------------------------- K = °C + 273,15 °F = 1,8 * °C + 32 1mol = 6,02.10**23 element P(Pa) * V(m**3) = n(mol)*R*T(K) R=8,314 J.K.mol si n=1mol V= R*T / P P(Pa) * V(m**3) = m(kg)*r*T(K) r= depend du gaz J.K.mol n*R=m*r r= n/m * R r=R/M(gaz kg.mol) m/V= P/ r*T Donc p= P/ r*T = P*M / R*T Qv(m**3) = S(m**2) * v (m.s) Qm= Qv * p p = p0 * (P/Patm) * (To/T) To = K 273,15