Input interpretation
Zn zinc + CH_3CO_2H acetic acid + NaNO_2 sodium nitrite ⟶ H_2O water + CH_3COONa sodium acetate + CH_3CO_2NH_4 ammonium acetate + (CH3COO)2Zn
Balanced equation
Balance the chemical equation algebraically: Zn + CH_3CO_2H + NaNO_2 ⟶ H_2O + CH_3COONa + CH_3CO_2NH_4 + (CH3COO)2Zn Add stoichiometric coefficients, c_i, to the reactants and products: c_1 Zn + c_2 CH_3CO_2H + c_3 NaNO_2 ⟶ c_4 H_2O + c_5 CH_3COONa + c_6 CH_3CO_2NH_4 + c_7 (CH3COO)2Zn Set the number of atoms in the reactants equal to the number of atoms in the products for Zn, C, H, O, N and Na: Zn: | c_1 = c_7 C: | 2 c_2 = 2 c_5 + 2 c_6 + 4 c_7 H: | 4 c_2 = 2 c_4 + 3 c_5 + 7 c_6 + 6 c_7 O: | 2 c_2 + 2 c_3 = c_4 + 2 c_5 + 2 c_6 + 4 c_7 N: | c_3 = c_6 Na: | c_3 = c_5 Since the coefficients are relative quantities and underdetermined, choose a coefficient to set arbitrarily. To keep the coefficients small, the arbitrary value is ordinarily one. For instance, set c_3 = 1 and solve the system of equations for the remaining coefficients: c_1 = 3 c_2 = 8 c_3 = 1 c_4 = 2 c_5 = 1 c_6 = 1 c_7 = 3 Substitute the coefficients into the chemical reaction to obtain the balanced equation: Answer: | | 3 Zn + 8 CH_3CO_2H + NaNO_2 ⟶ 2 H_2O + CH_3COONa + CH_3CO_2NH_4 + 3 (CH3COO)2Zn
Structures
+ + ⟶ + + + (CH3COO)2Zn
Names
zinc + acetic acid + sodium nitrite ⟶ water + sodium acetate + ammonium acetate + (CH3COO)2Zn
Equilibrium constant
![K_c = ([H2O]^2 [CH3COONa] [CH3CO2NH4] [(CH3COO)2Zn]^3)/([Zn]^3 [CH3CO2H]^8 [NaNO2])](../image_source/feee947b0bb9063acc0448a27b32e5d6.png)
K_c = ([H2O]^2 [CH3COONa] [CH3CO2NH4] [(CH3COO)2Zn]^3)/([Zn]^3 [CH3CO2H]^8 [NaNO2])
Rate of reaction
![rate = -1/3 (Δ[Zn])/(Δt) = -1/8 (Δ[CH3CO2H])/(Δt) = -(Δ[NaNO2])/(Δt) = 1/2 (Δ[H2O])/(Δt) = (Δ[CH3COONa])/(Δt) = (Δ[CH3CO2NH4])/(Δt) = 1/3 (Δ[(CH3COO)2Zn])/(Δt) (assuming constant volume and no accumulation of intermediates or side products)](../image_source/8dfe692bfebf01b5f942c5513adaed80.png)
rate = -1/3 (Δ[Zn])/(Δt) = -1/8 (Δ[CH3CO2H])/(Δt) = -(Δ[NaNO2])/(Δt) = 1/2 (Δ[H2O])/(Δt) = (Δ[CH3COONa])/(Δt) = (Δ[CH3CO2NH4])/(Δt) = 1/3 (Δ[(CH3COO)2Zn])/(Δt) (assuming constant volume and no accumulation of intermediates or side products)
Chemical names and formulas
| zinc | acetic acid | sodium nitrite | water | sodium acetate | ammonium acetate | (CH3COO)2Zn formula | Zn | CH_3CO_2H | NaNO_2 | H_2O | CH_3COONa | CH_3CO_2NH_4 | (CH3COO)2Zn Hill formula | Zn | C_2H_4O_2 | NNaO_2 | H_2O | C_2H_3NaO_2 | C_2H_7NO_2 | C4H6O4Zn name | zinc | acetic acid | sodium nitrite | water | sodium acetate | ammonium acetate |