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H2O + Na2SO3 + AlCl3 = SO2 + NaCl + Al(OH)3

Input interpretation

H_2O water + Na_2SO_3 sodium sulfite + AlCl_3 aluminum chloride ⟶ SO_2 sulfur dioxide + NaCl sodium chloride + Al(OH)_3 aluminum hydroxide
H_2O water + Na_2SO_3 sodium sulfite + AlCl_3 aluminum chloride ⟶ SO_2 sulfur dioxide + NaCl sodium chloride + Al(OH)_3 aluminum hydroxide

Balanced equation

Balance the chemical equation algebraically: H_2O + Na_2SO_3 + AlCl_3 ⟶ SO_2 + NaCl + Al(OH)_3 Add stoichiometric coefficients, c_i, to the reactants and products: c_1 H_2O + c_2 Na_2SO_3 + c_3 AlCl_3 ⟶ c_4 SO_2 + c_5 NaCl + c_6 Al(OH)_3 Set the number of atoms in the reactants equal to the number of atoms in the products for H, O, Na, S, Al and Cl: H: | 2 c_1 = 3 c_6 O: | c_1 + 3 c_2 = 2 c_4 + 3 c_6 Na: | 2 c_2 = c_5 S: | c_2 = c_4 Al: | c_3 = c_6 Cl: | 3 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 = 3/2 c_2 = 3/2 c_3 = 1 c_4 = 3/2 c_5 = 3 c_6 = 1 Multiply by the least common denominator, 2, to eliminate fractional coefficients: c_1 = 3 c_2 = 3 c_3 = 2 c_4 = 3 c_5 = 6 c_6 = 2 Substitute the coefficients into the chemical reaction to obtain the balanced equation: Answer: | | 3 H_2O + 3 Na_2SO_3 + 2 AlCl_3 ⟶ 3 SO_2 + 6 NaCl + 2 Al(OH)_3
Balance the chemical equation algebraically: H_2O + Na_2SO_3 + AlCl_3 ⟶ SO_2 + NaCl + Al(OH)_3 Add stoichiometric coefficients, c_i, to the reactants and products: c_1 H_2O + c_2 Na_2SO_3 + c_3 AlCl_3 ⟶ c_4 SO_2 + c_5 NaCl + c_6 Al(OH)_3 Set the number of atoms in the reactants equal to the number of atoms in the products for H, O, Na, S, Al and Cl: H: | 2 c_1 = 3 c_6 O: | c_1 + 3 c_2 = 2 c_4 + 3 c_6 Na: | 2 c_2 = c_5 S: | c_2 = c_4 Al: | c_3 = c_6 Cl: | 3 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 = 3/2 c_2 = 3/2 c_3 = 1 c_4 = 3/2 c_5 = 3 c_6 = 1 Multiply by the least common denominator, 2, to eliminate fractional coefficients: c_1 = 3 c_2 = 3 c_3 = 2 c_4 = 3 c_5 = 6 c_6 = 2 Substitute the coefficients into the chemical reaction to obtain the balanced equation: Answer: | | 3 H_2O + 3 Na_2SO_3 + 2 AlCl_3 ⟶ 3 SO_2 + 6 NaCl + 2 Al(OH)_3

Structures

+ + ⟶ + +
+ + ⟶ + +

Names

water + sodium sulfite + aluminum chloride ⟶ sulfur dioxide + sodium chloride + aluminum hydroxide
water + sodium sulfite + aluminum chloride ⟶ sulfur dioxide + sodium chloride + aluminum hydroxide

Equilibrium constant

Construct the equilibrium constant, K, expression for: H_2O + Na_2SO_3 + AlCl_3 ⟶ SO_2 + NaCl + Al(OH)_3 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: 3 H_2O + 3 Na_2SO_3 + 2 AlCl_3 ⟶ 3 SO_2 + 6 NaCl + 2 Al(OH)_3 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 H_2O | 3 | -3 Na_2SO_3 | 3 | -3 AlCl_3 | 2 | -2 SO_2 | 3 | 3 NaCl | 6 | 6 Al(OH)_3 | 2 | 2 Assemble the activity expressions accounting for the state of matter and ν_i: chemical species | c_i | ν_i | activity expression H_2O | 3 | -3 | ([H2O])^(-3) Na_2SO_3 | 3 | -3 | ([Na2SO3])^(-3) AlCl_3 | 2 | -2 | ([AlCl3])^(-2) SO_2 | 3 | 3 | ([SO2])^3 NaCl | 6 | 6 | ([NaCl])^6 Al(OH)_3 | 2 | 2 | ([Al(OH)3])^2 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 = ([H2O])^(-3) ([Na2SO3])^(-3) ([AlCl3])^(-2) ([SO2])^3 ([NaCl])^6 ([Al(OH)3])^2 = (([SO2])^3 ([NaCl])^6 ([Al(OH)3])^2)/(([H2O])^3 ([Na2SO3])^3 ([AlCl3])^2)
Construct the equilibrium constant, K, expression for: H_2O + Na_2SO_3 + AlCl_3 ⟶ SO_2 + NaCl + Al(OH)_3 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: 3 H_2O + 3 Na_2SO_3 + 2 AlCl_3 ⟶ 3 SO_2 + 6 NaCl + 2 Al(OH)_3 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 H_2O | 3 | -3 Na_2SO_3 | 3 | -3 AlCl_3 | 2 | -2 SO_2 | 3 | 3 NaCl | 6 | 6 Al(OH)_3 | 2 | 2 Assemble the activity expressions accounting for the state of matter and ν_i: chemical species | c_i | ν_i | activity expression H_2O | 3 | -3 | ([H2O])^(-3) Na_2SO_3 | 3 | -3 | ([Na2SO3])^(-3) AlCl_3 | 2 | -2 | ([AlCl3])^(-2) SO_2 | 3 | 3 | ([SO2])^3 NaCl | 6 | 6 | ([NaCl])^6 Al(OH)_3 | 2 | 2 | ([Al(OH)3])^2 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 = ([H2O])^(-3) ([Na2SO3])^(-3) ([AlCl3])^(-2) ([SO2])^3 ([NaCl])^6 ([Al(OH)3])^2 = (([SO2])^3 ([NaCl])^6 ([Al(OH)3])^2)/(([H2O])^3 ([Na2SO3])^3 ([AlCl3])^2)

Rate of reaction

Construct the rate of reaction expression for: H_2O + Na_2SO_3 + AlCl_3 ⟶ SO_2 + NaCl + Al(OH)_3 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: 3 H_2O + 3 Na_2SO_3 + 2 AlCl_3 ⟶ 3 SO_2 + 6 NaCl + 2 Al(OH)_3 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 H_2O | 3 | -3 Na_2SO_3 | 3 | -3 AlCl_3 | 2 | -2 SO_2 | 3 | 3 NaCl | 6 | 6 Al(OH)_3 | 2 | 2 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 H_2O | 3 | -3 | -1/3 (Δ[H2O])/(Δt) Na_2SO_3 | 3 | -3 | -1/3 (Δ[Na2SO3])/(Δt) AlCl_3 | 2 | -2 | -1/2 (Δ[AlCl3])/(Δt) SO_2 | 3 | 3 | 1/3 (Δ[SO2])/(Δt) NaCl | 6 | 6 | 1/6 (Δ[NaCl])/(Δt) Al(OH)_3 | 2 | 2 | 1/2 (Δ[Al(OH)3])/(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 = -1/3 (Δ[H2O])/(Δt) = -1/3 (Δ[Na2SO3])/(Δt) = -1/2 (Δ[AlCl3])/(Δt) = 1/3 (Δ[SO2])/(Δt) = 1/6 (Δ[NaCl])/(Δt) = 1/2 (Δ[Al(OH)3])/(Δt) (assuming constant volume and no accumulation of intermediates or side products)
Construct the rate of reaction expression for: H_2O + Na_2SO_3 + AlCl_3 ⟶ SO_2 + NaCl + Al(OH)_3 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: 3 H_2O + 3 Na_2SO_3 + 2 AlCl_3 ⟶ 3 SO_2 + 6 NaCl + 2 Al(OH)_3 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 H_2O | 3 | -3 Na_2SO_3 | 3 | -3 AlCl_3 | 2 | -2 SO_2 | 3 | 3 NaCl | 6 | 6 Al(OH)_3 | 2 | 2 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 H_2O | 3 | -3 | -1/3 (Δ[H2O])/(Δt) Na_2SO_3 | 3 | -3 | -1/3 (Δ[Na2SO3])/(Δt) AlCl_3 | 2 | -2 | -1/2 (Δ[AlCl3])/(Δt) SO_2 | 3 | 3 | 1/3 (Δ[SO2])/(Δt) NaCl | 6 | 6 | 1/6 (Δ[NaCl])/(Δt) Al(OH)_3 | 2 | 2 | 1/2 (Δ[Al(OH)3])/(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 = -1/3 (Δ[H2O])/(Δt) = -1/3 (Δ[Na2SO3])/(Δt) = -1/2 (Δ[AlCl3])/(Δt) = 1/3 (Δ[SO2])/(Δt) = 1/6 (Δ[NaCl])/(Δt) = 1/2 (Δ[Al(OH)3])/(Δt) (assuming constant volume and no accumulation of intermediates or side products)

Chemical names and formulas

| water | sodium sulfite | aluminum chloride | sulfur dioxide | sodium chloride | aluminum hydroxide formula | H_2O | Na_2SO_3 | AlCl_3 | SO_2 | NaCl | Al(OH)_3 Hill formula | H_2O | Na_2O_3S | AlCl_3 | O_2S | ClNa | AlH_3O_3 name | water | sodium sulfite | aluminum chloride | sulfur dioxide | sodium chloride | aluminum hydroxide IUPAC name | water | disodium sulfite | trichloroalumane | sulfur dioxide | sodium chloride | aluminum hydroxide
| water | sodium sulfite | aluminum chloride | sulfur dioxide | sodium chloride | aluminum hydroxide formula | H_2O | Na_2SO_3 | AlCl_3 | SO_2 | NaCl | Al(OH)_3 Hill formula | H_2O | Na_2O_3S | AlCl_3 | O_2S | ClNa | AlH_3O_3 name | water | sodium sulfite | aluminum chloride | sulfur dioxide | sodium chloride | aluminum hydroxide IUPAC name | water | disodium sulfite | trichloroalumane | sulfur dioxide | sodium chloride | aluminum hydroxide

Substance properties

| water | sodium sulfite | aluminum chloride | sulfur dioxide | sodium chloride | aluminum hydroxide molar mass | 18.015 g/mol | 126.04 g/mol | 133.3 g/mol | 64.06 g/mol | 58.44 g/mol | 78.003 g/mol phase | liquid (at STP) | solid (at STP) | solid (at STP) | gas (at STP) | solid (at STP) | melting point | 0 °C | 500 °C | 190 °C | -73 °C | 801 °C | boiling point | 99.9839 °C | | | -10 °C | 1413 °C | density | 1 g/cm^3 | 2.63 g/cm^3 | | 0.002619 g/cm^3 (at 25 °C) | 2.16 g/cm^3 | solubility in water | | | | | soluble | surface tension | 0.0728 N/m | | | 0.02859 N/m | | dynamic viscosity | 8.9×10^-4 Pa s (at 25 °C) | | | 1.282×10^-5 Pa s (at 25 °C) | | odor | odorless | | | | odorless |
| water | sodium sulfite | aluminum chloride | sulfur dioxide | sodium chloride | aluminum hydroxide molar mass | 18.015 g/mol | 126.04 g/mol | 133.3 g/mol | 64.06 g/mol | 58.44 g/mol | 78.003 g/mol phase | liquid (at STP) | solid (at STP) | solid (at STP) | gas (at STP) | solid (at STP) | melting point | 0 °C | 500 °C | 190 °C | -73 °C | 801 °C | boiling point | 99.9839 °C | | | -10 °C | 1413 °C | density | 1 g/cm^3 | 2.63 g/cm^3 | | 0.002619 g/cm^3 (at 25 °C) | 2.16 g/cm^3 | solubility in water | | | | | soluble | surface tension | 0.0728 N/m | | | 0.02859 N/m | | dynamic viscosity | 8.9×10^-4 Pa s (at 25 °C) | | | 1.282×10^-5 Pa s (at 25 °C) | | odor | odorless | | | | odorless |

Units

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