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Zn + NaNO3 + CH3COOH = H2O + NaNO2 + (CH3COO)2Zn

Input interpretation

Zn zinc + NaNO_3 sodium nitrate + CH_3CO_2H acetic acid ⟶ H_2O water + NaNO_2 sodium nitrite + (CH3COO)2Zn
Zn zinc + NaNO_3 sodium nitrate + CH_3CO_2H acetic acid ⟶ H_2O water + NaNO_2 sodium nitrite + (CH3COO)2Zn

Balanced equation

Balance the chemical equation algebraically: Zn + NaNO_3 + CH_3CO_2H ⟶ H_2O + NaNO_2 + (CH3COO)2Zn Add stoichiometric coefficients, c_i, to the reactants and products: c_1 Zn + c_2 NaNO_3 + c_3 CH_3CO_2H ⟶ c_4 H_2O + c_5 NaNO_2 + c_6 (CH3COO)2Zn Set the number of atoms in the reactants equal to the number of atoms in the products for Zn, N, Na, O, C and H: Zn: | c_1 = c_6 N: | c_2 = c_5 Na: | c_2 = c_5 O: | 3 c_2 + 2 c_3 = c_4 + 2 c_5 + 4 c_6 C: | 2 c_3 = 4 c_6 H: | 4 c_3 = 2 c_4 + 6 c_6 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_1 = 1 and solve the system of equations for the remaining coefficients: c_1 = 1 c_2 = 1 c_3 = 2 c_4 = 1 c_5 = 1 c_6 = 1 Substitute the coefficients into the chemical reaction to obtain the balanced equation: Answer: | | Zn + NaNO_3 + 2 CH_3CO_2H ⟶ H_2O + NaNO_2 + (CH3COO)2Zn
Balance the chemical equation algebraically: Zn + NaNO_3 + CH_3CO_2H ⟶ H_2O + NaNO_2 + (CH3COO)2Zn Add stoichiometric coefficients, c_i, to the reactants and products: c_1 Zn + c_2 NaNO_3 + c_3 CH_3CO_2H ⟶ c_4 H_2O + c_5 NaNO_2 + c_6 (CH3COO)2Zn Set the number of atoms in the reactants equal to the number of atoms in the products for Zn, N, Na, O, C and H: Zn: | c_1 = c_6 N: | c_2 = c_5 Na: | c_2 = c_5 O: | 3 c_2 + 2 c_3 = c_4 + 2 c_5 + 4 c_6 C: | 2 c_3 = 4 c_6 H: | 4 c_3 = 2 c_4 + 6 c_6 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_1 = 1 and solve the system of equations for the remaining coefficients: c_1 = 1 c_2 = 1 c_3 = 2 c_4 = 1 c_5 = 1 c_6 = 1 Substitute the coefficients into the chemical reaction to obtain the balanced equation: Answer: | | Zn + NaNO_3 + 2 CH_3CO_2H ⟶ H_2O + NaNO_2 + (CH3COO)2Zn

Structures

+ + ⟶ + + (CH3COO)2Zn
+ + ⟶ + + (CH3COO)2Zn

Names

zinc + sodium nitrate + acetic acid ⟶ water + sodium nitrite + (CH3COO)2Zn
zinc + sodium nitrate + acetic acid ⟶ water + sodium nitrite + (CH3COO)2Zn

Equilibrium constant

Construct the equilibrium constant, K, expression for: Zn + NaNO_3 + CH_3CO_2H ⟶ H_2O + NaNO_2 + (CH3COO)2Zn Plan: • Balance the chemical equation. • Determine the stoichiometric numbers. • Assemble the activity expression for each chemical species. • Use the activity expressions to build the equilibrium constant expression. Write the balanced chemical equation: Zn + NaNO_3 + 2 CH_3CO_2H ⟶ H_2O + NaNO_2 + (CH3COO)2Zn Assign stoichiometric numbers, ν_i, using the stoichiometric coefficients, c_i, from the balanced chemical equation in the following manner: ν_i = -c_i for reactants and ν_i = c_i for products: chemical species | c_i | ν_i Zn | 1 | -1 NaNO_3 | 1 | -1 CH_3CO_2H | 2 | -2 H_2O | 1 | 1 NaNO_2 | 1 | 1 (CH3COO)2Zn | 1 | 1 Assemble the activity expressions accounting for the state of matter and ν_i: chemical species | c_i | ν_i | activity expression Zn | 1 | -1 | ([Zn])^(-1) NaNO_3 | 1 | -1 | ([NaNO3])^(-1) CH_3CO_2H | 2 | -2 | ([CH3CO2H])^(-2) H_2O | 1 | 1 | [H2O] NaNO_2 | 1 | 1 | [NaNO2] (CH3COO)2Zn | 1 | 1 | [(CH3COO)2Zn] The equilibrium constant symbol in the concentration basis is: K_c Mulitply the activity expressions to arrive at the K_c expression: Answer: | | K_c = ([Zn])^(-1) ([NaNO3])^(-1) ([CH3CO2H])^(-2) [H2O] [NaNO2] [(CH3COO)2Zn] = ([H2O] [NaNO2] [(CH3COO)2Zn])/([Zn] [NaNO3] ([CH3CO2H])^2)
Construct the equilibrium constant, K, expression for: Zn + NaNO_3 + CH_3CO_2H ⟶ H_2O + NaNO_2 + (CH3COO)2Zn Plan: • Balance the chemical equation. • Determine the stoichiometric numbers. • Assemble the activity expression for each chemical species. • Use the activity expressions to build the equilibrium constant expression. Write the balanced chemical equation: Zn + NaNO_3 + 2 CH_3CO_2H ⟶ H_2O + NaNO_2 + (CH3COO)2Zn Assign stoichiometric numbers, ν_i, using the stoichiometric coefficients, c_i, from the balanced chemical equation in the following manner: ν_i = -c_i for reactants and ν_i = c_i for products: chemical species | c_i | ν_i Zn | 1 | -1 NaNO_3 | 1 | -1 CH_3CO_2H | 2 | -2 H_2O | 1 | 1 NaNO_2 | 1 | 1 (CH3COO)2Zn | 1 | 1 Assemble the activity expressions accounting for the state of matter and ν_i: chemical species | c_i | ν_i | activity expression Zn | 1 | -1 | ([Zn])^(-1) NaNO_3 | 1 | -1 | ([NaNO3])^(-1) CH_3CO_2H | 2 | -2 | ([CH3CO2H])^(-2) H_2O | 1 | 1 | [H2O] NaNO_2 | 1 | 1 | [NaNO2] (CH3COO)2Zn | 1 | 1 | [(CH3COO)2Zn] The equilibrium constant symbol in the concentration basis is: K_c Mulitply the activity expressions to arrive at the K_c expression: Answer: | | K_c = ([Zn])^(-1) ([NaNO3])^(-1) ([CH3CO2H])^(-2) [H2O] [NaNO2] [(CH3COO)2Zn] = ([H2O] [NaNO2] [(CH3COO)2Zn])/([Zn] [NaNO3] ([CH3CO2H])^2)

Rate of reaction

Construct the rate of reaction expression for: Zn + NaNO_3 + CH_3CO_2H ⟶ H_2O + NaNO_2 + (CH3COO)2Zn Plan: • Balance the chemical equation. • Determine the stoichiometric numbers. • Assemble the rate term for each chemical species. • Write the rate of reaction expression. Write the balanced chemical equation: Zn + NaNO_3 + 2 CH_3CO_2H ⟶ H_2O + NaNO_2 + (CH3COO)2Zn Assign stoichiometric numbers, ν_i, using the stoichiometric coefficients, c_i, from the balanced chemical equation in the following manner: ν_i = -c_i for reactants and ν_i = c_i for products: chemical species | c_i | ν_i Zn | 1 | -1 NaNO_3 | 1 | -1 CH_3CO_2H | 2 | -2 H_2O | 1 | 1 NaNO_2 | 1 | 1 (CH3COO)2Zn | 1 | 1 The rate term for each chemical species, B_i, is 1/ν_i(Δ[B_i])/(Δt) where [B_i] is the amount concentration and t is time: chemical species | c_i | ν_i | rate term Zn | 1 | -1 | -(Δ[Zn])/(Δt) NaNO_3 | 1 | -1 | -(Δ[NaNO3])/(Δt) CH_3CO_2H | 2 | -2 | -1/2 (Δ[CH3CO2H])/(Δt) H_2O | 1 | 1 | (Δ[H2O])/(Δt) NaNO_2 | 1 | 1 | (Δ[NaNO2])/(Δt) (CH3COO)2Zn | 1 | 1 | (Δ[(CH3COO)2Zn])/(Δt) (for infinitesimal rate of change, replace Δ with d) Set the rate terms equal to each other to arrive at the rate expression: Answer: | | rate = -(Δ[Zn])/(Δt) = -(Δ[NaNO3])/(Δt) = -1/2 (Δ[CH3CO2H])/(Δt) = (Δ[H2O])/(Δt) = (Δ[NaNO2])/(Δt) = (Δ[(CH3COO)2Zn])/(Δt) (assuming constant volume and no accumulation of intermediates or side products)
Construct the rate of reaction expression for: Zn + NaNO_3 + CH_3CO_2H ⟶ H_2O + NaNO_2 + (CH3COO)2Zn Plan: • Balance the chemical equation. • Determine the stoichiometric numbers. • Assemble the rate term for each chemical species. • Write the rate of reaction expression. Write the balanced chemical equation: Zn + NaNO_3 + 2 CH_3CO_2H ⟶ H_2O + NaNO_2 + (CH3COO)2Zn Assign stoichiometric numbers, ν_i, using the stoichiometric coefficients, c_i, from the balanced chemical equation in the following manner: ν_i = -c_i for reactants and ν_i = c_i for products: chemical species | c_i | ν_i Zn | 1 | -1 NaNO_3 | 1 | -1 CH_3CO_2H | 2 | -2 H_2O | 1 | 1 NaNO_2 | 1 | 1 (CH3COO)2Zn | 1 | 1 The rate term for each chemical species, B_i, is 1/ν_i(Δ[B_i])/(Δt) where [B_i] is the amount concentration and t is time: chemical species | c_i | ν_i | rate term Zn | 1 | -1 | -(Δ[Zn])/(Δt) NaNO_3 | 1 | -1 | -(Δ[NaNO3])/(Δt) CH_3CO_2H | 2 | -2 | -1/2 (Δ[CH3CO2H])/(Δt) H_2O | 1 | 1 | (Δ[H2O])/(Δt) NaNO_2 | 1 | 1 | (Δ[NaNO2])/(Δt) (CH3COO)2Zn | 1 | 1 | (Δ[(CH3COO)2Zn])/(Δt) (for infinitesimal rate of change, replace Δ with d) Set the rate terms equal to each other to arrive at the rate expression: Answer: | | rate = -(Δ[Zn])/(Δt) = -(Δ[NaNO3])/(Δt) = -1/2 (Δ[CH3CO2H])/(Δt) = (Δ[H2O])/(Δt) = (Δ[NaNO2])/(Δt) = (Δ[(CH3COO)2Zn])/(Δt) (assuming constant volume and no accumulation of intermediates or side products)

Chemical names and formulas

| zinc | sodium nitrate | acetic acid | water | sodium nitrite | (CH3COO)2Zn formula | Zn | NaNO_3 | CH_3CO_2H | H_2O | NaNO_2 | (CH3COO)2Zn Hill formula | Zn | NNaO_3 | C_2H_4O_2 | H_2O | NNaO_2 | C4H6O4Zn name | zinc | sodium nitrate | acetic acid | water | sodium nitrite |
| zinc | sodium nitrate | acetic acid | water | sodium nitrite | (CH3COO)2Zn formula | Zn | NaNO_3 | CH_3CO_2H | H_2O | NaNO_2 | (CH3COO)2Zn Hill formula | Zn | NNaO_3 | C_2H_4O_2 | H_2O | NNaO_2 | C4H6O4Zn name | zinc | sodium nitrate | acetic acid | water | sodium nitrite |

Substance properties

| zinc | sodium nitrate | acetic acid | water | sodium nitrite | (CH3COO)2Zn molar mass | 65.38 g/mol | 84.994 g/mol | 60.052 g/mol | 18.015 g/mol | 68.995 g/mol | 183.5 g/mol phase | solid (at STP) | solid (at STP) | liquid (at STP) | liquid (at STP) | solid (at STP) | melting point | 420 °C | 306 °C | 16.2 °C | 0 °C | 271 °C | boiling point | 907 °C | | 117.5 °C | 99.9839 °C | | density | 7.14 g/cm^3 | 2.26 g/cm^3 | 1.049 g/cm^3 | 1 g/cm^3 | 2.168 g/cm^3 | solubility in water | insoluble | soluble | miscible | | | surface tension | | | 0.0288 N/m | 0.0728 N/m | | dynamic viscosity | | 0.003 Pa s (at 250 °C) | 0.001056 Pa s (at 25 °C) | 8.9×10^-4 Pa s (at 25 °C) | | odor | odorless | | vinegar-like | odorless | |
| zinc | sodium nitrate | acetic acid | water | sodium nitrite | (CH3COO)2Zn molar mass | 65.38 g/mol | 84.994 g/mol | 60.052 g/mol | 18.015 g/mol | 68.995 g/mol | 183.5 g/mol phase | solid (at STP) | solid (at STP) | liquid (at STP) | liquid (at STP) | solid (at STP) | melting point | 420 °C | 306 °C | 16.2 °C | 0 °C | 271 °C | boiling point | 907 °C | | 117.5 °C | 99.9839 °C | | density | 7.14 g/cm^3 | 2.26 g/cm^3 | 1.049 g/cm^3 | 1 g/cm^3 | 2.168 g/cm^3 | solubility in water | insoluble | soluble | miscible | | | surface tension | | | 0.0288 N/m | 0.0728 N/m | | dynamic viscosity | | 0.003 Pa s (at 250 °C) | 0.001056 Pa s (at 25 °C) | 8.9×10^-4 Pa s (at 25 °C) | | odor | odorless | | vinegar-like | odorless | |

Units

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