Physique chimie Flashcards by Jade Therond

Q

Concentration molaire

A

C=n/v

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Q

Quantité de matiere

A

n=m/M

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Q

Concentration en masse

A

γ =m/v

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Q

Masse volumique

A

Rho=m/v

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Q

Volume molaire

A

Vm=n/v

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Q

Concentration

A

C=(tsoluté*rhosoluté)/Msoluté

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Q

Titre masique

A

t=msoluté/msolution

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Q

Facteur dilution (concentration)

A

f=Cmere/Cfille

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Q

Facteur de dilution (volume)

A

f=Vfille/Vmere

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Q

Densité

A

d=rhosolution/rhoeau

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Q

Dilution formule

A

C1 X V1 = C2 x V2

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Q

Potentiel hydrogène (simple)

A

pH = -log([H3O+])

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Q

Constante d’équilibre eq

A

K = Qréq

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Q

Constante acidité

A

Ka = 10^-pKa

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Q

Produit ionique de l’eau

A

Ke = [H3O+][OH-]

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Q

Quotient de réaction

A

Qr=([C]^c[D]^d)/([A]^a[B]^b)

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Q

Vitesse volumique disparition ordre 1

A

Vitesse disp = k[A]

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Q

Charge électrique

A

Q = I x Δt

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Q

Capacité électrique

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A

Q = ne- x Na x e

Q

Conductance

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A

G = 1/R=i/u

Q

Loi de Beer Lambert

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A

A = ε x l x c

Q

Équation gaz parfait

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A

PV = nRT

Q

Nombre d’entité

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A

N = n x Na

Q

Constante d’acidité (formule simple)

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A

ka=10^-pka

Temps demi réaction

x(t1/2) =xf/2

Potentiel hydrogène (grosse formule)

pH = pKa + log([A-]/[HA])

Capacité électrique

Q=ne- x F

Conductivité

σ =G x L/S

Loi de kohlrausch

σ = Σ λ x[ ]

Taux d’avancement

τ = xf/xmax

Vitesse volumique moyenne

Vmoyenne= ± Δ[X]/Δt

Vistesse volumique disparition ordre 1

Vdisp= -d[R]/dt

Vitesse volumique apparition

Vapp= d[P]/dt

À l’équivalence

n(A)/a = n(B)/b

Loi évolution concentration réactif ordre 1 solution équation diff

[A]= [A0]e^-kt

Radioactivité α

Hélium émis 4 nucléons 2 protons

Radioactivité β-

Émission électrons 0 nucléons -1 protons

Radioactivité β+

Émissions positon 0 nucléons 1 protons

Radioactivité γ

Émission γ

Nombre de noyaux radioactif

ΔN(t)= -λ x N(t)

Loi de décroissance radioactive

N(t) = N0 x e^-λt

Temps de demi vie radioactive

t1/2=ln(2)/λ

Activité d’un noyau

A(t)= -dN/dt

Activité d’un noyau

A(t) = λ x N(t)

Activité d’un noyau et solution équation diff

A(t)= A0 x e^-λt

Rendement d’une synthèse

η = nf/nmax

Concentration ion oxonium

[H3O+] = 10^-ph