Formulario chimica

Reazioni chimiche e costanti di equilibrio

aA + bB ⇌ gG + hHK_c = [C]^g[H]^h / [A]^a[B]^b

K_p = K_c (R_T)^Δn_gas

Δn_gas = (g+h+...) - (a+b+...)

R = 0.08314472 bar L / K mol = 0.082380 atm L / K mol

pH campione = pK_a + log [BASE(coniugata)] / [ACIDO]

K_a = [H₃O⁺][A^-] / [HA] ≈ [H₃O⁺]² / c_a - [H₃O⁺]

[H₃O⁺]² + K_a[H₃O⁺] - K_ac_a = 0

α = ACIDO DISSOCIATO / ACIDO TOT

K_i = K_w / K_a

K_inv. = K_a ∙ K_b

pH = pK_a + log [A^-] / [HA]

pH = pK_a + log [A^-]_ACIDO / [HA] + a

pH = pK_a + log [CA^-]_ACIDO - b / [HA] - b

K_indir. = [H₂O]^j[In]^-1

PH_iniz. = PKN_-P_rob - log [A^-] / [HA]

H_mA_n(s) ⇌ mH⁺ + nA^-

K_ps = [H^b]^m [A⁻ⁿ]ⁿ

√K_a ∙ C√K_a ∙ (K_a + C + K_w

Equilibrio chimico

aA + bB ⇌ gG + hH

K_c = ^[G]g[H]h/_[A]^a[B]^b

K_p = K_c (RT)^Δn

Δn_gas = (g+h+...) - (a+b+...)

R = 0.08314472 bar L / K mol = 0.082380 atm L / K mol^a

pH_En = pK_a + log _{^{[base(coniugata)]}/[acido]}

K_a = ^[H₃O+][A-] = ^[H₃O+]2/_[HA]

[H₃O⁺]² + K_a[H₃O⁺] - K_ac_a = 0

α = ^{Acido Dissociato}/_{Acido Tot}

K_i = K_w / K_a

K_w = K_a · K_b

pH = pK_a + log ^[A-]/_[HA]

pH = pK_a + log ^{[A-] - α}/_{[HA] + α}

pH = pK_a + log ^{[A-] + b}/_{[HA] - b}

K_Indac = {[H₃O⁺] · [In^-]}/[HIn]

pH_Vio = pK_Indac

H_nA_n (s) ⇌ mH⁺ + nA^-

K_P,s = ^{[H+]m · [A-]n]}

Termochimica

W_z = F · Δx

W_p = P · ΔV

W_a = E_f - E_i

q = ΔE + W

ΔE_i = q - W

ΔH = q_p = ΔE + PΔV

q_v = ΔE

q_p = q_tor / moli

PV = nRT

V = 22,4 l · Q: 1 mole = x 1 moli

C = q/ΔT     [cal/ºC o J/K]

C_spec = q / massa · ΔT     [J/kg · K]

C_mol = q / moli · ΔT     [J/mol · K]

R = 8,3144 J/mol · K

n_mol = q / ΔH

R_REA = n_moli / Q

ENTR.S = k ln W     [J/K]

W_z = (C_v · V)ⁿ_mol

ΔS = N · K · ln (V₂/V₁)

ΔS = R ln (V₂/V₁)

ΔS = q_rev/T

ΔS = ΔH/T

γ - 1 = R_z/ q_v

γ = -1 - T₂/ T₁

moli = q/ΔH^o

G = H - TS

ΔG^o = ΔH^o - TΔS^o = -RT ln K

ΔG_c = (qA₂reo₁ - qE_erea₃ · E_k + n_mK_n...) - (qA_m + qB_m + ...)

G = C_p + RT ln Q

ΔG_cΔG^o - RT ln P_Cn_d / P_ao_d P_Ba_dΔC_p + RT ln Q

ΔG_c = RT ln Q/Q_eq

Tr= ΔH^oΔG^o = -RT ln K

ΔH^o / T₂ln K₂/K₁ = ΔH^o/R (1/T₂ - 1/T₁)

ln R₂/R₁ = ΔH^o/R (1/T₂ - 1/T₁)

Termodinamica

2ni = ni/n_tot

Pi = xi P_tot

KP = R_av P_tot^Δν

P2 = x_C x_D P_C^c P_D^d / x_A P_A^a x_B P_B^b

Δν = mol_f - mol_i

Q = [C]^c[D]^d / [A]^a[B]^b

Q = K _eq

PV = nRT

ΔG_iniz. = RT ln (Q/KP)

ΔH < 0 Esotermica

ΔS > 0 Disordinante

ΔH > 0 Endotermica

ΔG > 0

Cinetica chimica

aA + bB → sC + dD

r = -1/a Δ[A]/Δt = -1/b Δ[B]/Δt = 1/c Δ[C]/Δt = 1/d Δ[D]/Δt

v = K [A]^α [B]^β

ordine = α + β

Se α + β = 0

α = 1 β = 1

α + β = 2

[A]_t = -kt + [A]₀

ln [A]_t = -kt + ln [A]₀

1/[A]_t = kt + 1 / [A]₀

t₁ = [A]₀/2k

t₁ = ln 2 / k

t₁ = 1/k[A]₀

k = Ae^{-Ea / RT}

ln K₂/K₁ = Ea/R (1/T₁ - 1/T₂)

R = 8,314 J/mol K

E_pil = E⁰_cat - E⁰_an

ΔG_w = w'

ΔG_rev = -Q · ΔE = -n·f·ΔE

ΔE = ΔE⁰ - ^RT⁄_nF ln ^[C]d[D]d⁄_[A]^b[B]^b

ΔE = ΔE⁰ - ^0,0592⁄_n log₁₀ ^[C]d[D]d⁄_(A)^b[B]^b

ΔG = ΔE⁰ - ^0,0592⁄_n log₁₀ ^[oss]⁄_[rid]

= ^RT⁄_nf ln_e K = ^0,025693⁄_n ln_e K

Q = 1 ^e-

mol_e- = 1·₁⁄₉₆₈₂₅

1 = ^V⁄_R

R = ρ ·^R⁄_S

q_tot = moli e- · 96825

g = ^{NA · q}⁄_{n · 96825}

q = 1