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H2SO4 + KMnO4 + N2O = H2O + K2SO4 + MnSO4 + Mn(NO3)2

Input interpretation

H_2SO_4 sulfuric acid + KMnO_4 potassium permanganate + N_2O nitrous oxide ⟶ H_2O water + K_2SO_4 potassium sulfate + MnSO_4 manganese(II) sulfate + Mn(NO_3)_2 manganese(II) nitrate
H_2SO_4 sulfuric acid + KMnO_4 potassium permanganate + N_2O nitrous oxide ⟶ H_2O water + K_2SO_4 potassium sulfate + MnSO_4 manganese(II) sulfate + Mn(NO_3)_2 manganese(II) nitrate

Balanced equation

Balance the chemical equation algebraically: H_2SO_4 + KMnO_4 + N_2O ⟶ H_2O + K_2SO_4 + MnSO_4 + Mn(NO_3)_2 Add stoichiometric coefficients, c_i, to the reactants and products: c_1 H_2SO_4 + c_2 KMnO_4 + c_3 N_2O ⟶ c_4 H_2O + c_5 K_2SO_4 + c_6 MnSO_4 + c_7 Mn(NO_3)_2 Set the number of atoms in the reactants equal to the number of atoms in the products for H, O, S, K, Mn and N: H: | 2 c_1 = 2 c_4 O: | 4 c_1 + 4 c_2 + c_3 = c_4 + 4 c_5 + 4 c_6 + 6 c_7 S: | c_1 = c_5 + c_6 K: | c_2 = 2 c_5 Mn: | c_2 = c_6 + c_7 N: | 2 c_3 = 2 c_7 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_6 = 1 and solve the system of equations for the remaining coefficients: c_1 = 7/3 c_2 = 8/3 c_3 = 5/3 c_4 = 7/3 c_5 = 4/3 c_6 = 1 c_7 = 5/3 Multiply by the least common denominator, 3, to eliminate fractional coefficients: c_1 = 7 c_2 = 8 c_3 = 5 c_4 = 7 c_5 = 4 c_6 = 3 c_7 = 5 Substitute the coefficients into the chemical reaction to obtain the balanced equation: Answer: | | 7 H_2SO_4 + 8 KMnO_4 + 5 N_2O ⟶ 7 H_2O + 4 K_2SO_4 + 3 MnSO_4 + 5 Mn(NO_3)_2
Balance the chemical equation algebraically: H_2SO_4 + KMnO_4 + N_2O ⟶ H_2O + K_2SO_4 + MnSO_4 + Mn(NO_3)_2 Add stoichiometric coefficients, c_i, to the reactants and products: c_1 H_2SO_4 + c_2 KMnO_4 + c_3 N_2O ⟶ c_4 H_2O + c_5 K_2SO_4 + c_6 MnSO_4 + c_7 Mn(NO_3)_2 Set the number of atoms in the reactants equal to the number of atoms in the products for H, O, S, K, Mn and N: H: | 2 c_1 = 2 c_4 O: | 4 c_1 + 4 c_2 + c_3 = c_4 + 4 c_5 + 4 c_6 + 6 c_7 S: | c_1 = c_5 + c_6 K: | c_2 = 2 c_5 Mn: | c_2 = c_6 + c_7 N: | 2 c_3 = 2 c_7 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_6 = 1 and solve the system of equations for the remaining coefficients: c_1 = 7/3 c_2 = 8/3 c_3 = 5/3 c_4 = 7/3 c_5 = 4/3 c_6 = 1 c_7 = 5/3 Multiply by the least common denominator, 3, to eliminate fractional coefficients: c_1 = 7 c_2 = 8 c_3 = 5 c_4 = 7 c_5 = 4 c_6 = 3 c_7 = 5 Substitute the coefficients into the chemical reaction to obtain the balanced equation: Answer: | | 7 H_2SO_4 + 8 KMnO_4 + 5 N_2O ⟶ 7 H_2O + 4 K_2SO_4 + 3 MnSO_4 + 5 Mn(NO_3)_2

Structures

+ + ⟶ + + +
+ + ⟶ + + +

Names

sulfuric acid + potassium permanganate + nitrous oxide ⟶ water + potassium sulfate + manganese(II) sulfate + manganese(II) nitrate
sulfuric acid + potassium permanganate + nitrous oxide ⟶ water + potassium sulfate + manganese(II) sulfate + manganese(II) nitrate

Equilibrium constant

Construct the equilibrium constant, K, expression for: H_2SO_4 + KMnO_4 + N_2O ⟶ H_2O + K_2SO_4 + MnSO_4 + Mn(NO_3)_2 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: 7 H_2SO_4 + 8 KMnO_4 + 5 N_2O ⟶ 7 H_2O + 4 K_2SO_4 + 3 MnSO_4 + 5 Mn(NO_3)_2 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_2SO_4 | 7 | -7 KMnO_4 | 8 | -8 N_2O | 5 | -5 H_2O | 7 | 7 K_2SO_4 | 4 | 4 MnSO_4 | 3 | 3 Mn(NO_3)_2 | 5 | 5 Assemble the activity expressions accounting for the state of matter and ν_i: chemical species | c_i | ν_i | activity expression H_2SO_4 | 7 | -7 | ([H2SO4])^(-7) KMnO_4 | 8 | -8 | ([KMnO4])^(-8) N_2O | 5 | -5 | ([N2O])^(-5) H_2O | 7 | 7 | ([H2O])^7 K_2SO_4 | 4 | 4 | ([K2SO4])^4 MnSO_4 | 3 | 3 | ([MnSO4])^3 Mn(NO_3)_2 | 5 | 5 | ([Mn(NO3)2])^5 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 = ([H2SO4])^(-7) ([KMnO4])^(-8) ([N2O])^(-5) ([H2O])^7 ([K2SO4])^4 ([MnSO4])^3 ([Mn(NO3)2])^5 = (([H2O])^7 ([K2SO4])^4 ([MnSO4])^3 ([Mn(NO3)2])^5)/(([H2SO4])^7 ([KMnO4])^8 ([N2O])^5)
Construct the equilibrium constant, K, expression for: H_2SO_4 + KMnO_4 + N_2O ⟶ H_2O + K_2SO_4 + MnSO_4 + Mn(NO_3)_2 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: 7 H_2SO_4 + 8 KMnO_4 + 5 N_2O ⟶ 7 H_2O + 4 K_2SO_4 + 3 MnSO_4 + 5 Mn(NO_3)_2 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_2SO_4 | 7 | -7 KMnO_4 | 8 | -8 N_2O | 5 | -5 H_2O | 7 | 7 K_2SO_4 | 4 | 4 MnSO_4 | 3 | 3 Mn(NO_3)_2 | 5 | 5 Assemble the activity expressions accounting for the state of matter and ν_i: chemical species | c_i | ν_i | activity expression H_2SO_4 | 7 | -7 | ([H2SO4])^(-7) KMnO_4 | 8 | -8 | ([KMnO4])^(-8) N_2O | 5 | -5 | ([N2O])^(-5) H_2O | 7 | 7 | ([H2O])^7 K_2SO_4 | 4 | 4 | ([K2SO4])^4 MnSO_4 | 3 | 3 | ([MnSO4])^3 Mn(NO_3)_2 | 5 | 5 | ([Mn(NO3)2])^5 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 = ([H2SO4])^(-7) ([KMnO4])^(-8) ([N2O])^(-5) ([H2O])^7 ([K2SO4])^4 ([MnSO4])^3 ([Mn(NO3)2])^5 = (([H2O])^7 ([K2SO4])^4 ([MnSO4])^3 ([Mn(NO3)2])^5)/(([H2SO4])^7 ([KMnO4])^8 ([N2O])^5)

Rate of reaction

Construct the rate of reaction expression for: H_2SO_4 + KMnO_4 + N_2O ⟶ H_2O + K_2SO_4 + MnSO_4 + Mn(NO_3)_2 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: 7 H_2SO_4 + 8 KMnO_4 + 5 N_2O ⟶ 7 H_2O + 4 K_2SO_4 + 3 MnSO_4 + 5 Mn(NO_3)_2 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_2SO_4 | 7 | -7 KMnO_4 | 8 | -8 N_2O | 5 | -5 H_2O | 7 | 7 K_2SO_4 | 4 | 4 MnSO_4 | 3 | 3 Mn(NO_3)_2 | 5 | 5 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_2SO_4 | 7 | -7 | -1/7 (Δ[H2SO4])/(Δt) KMnO_4 | 8 | -8 | -1/8 (Δ[KMnO4])/(Δt) N_2O | 5 | -5 | -1/5 (Δ[N2O])/(Δt) H_2O | 7 | 7 | 1/7 (Δ[H2O])/(Δt) K_2SO_4 | 4 | 4 | 1/4 (Δ[K2SO4])/(Δt) MnSO_4 | 3 | 3 | 1/3 (Δ[MnSO4])/(Δt) Mn(NO_3)_2 | 5 | 5 | 1/5 (Δ[Mn(NO3)2])/(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 = -1/7 (Δ[H2SO4])/(Δt) = -1/8 (Δ[KMnO4])/(Δt) = -1/5 (Δ[N2O])/(Δt) = 1/7 (Δ[H2O])/(Δt) = 1/4 (Δ[K2SO4])/(Δt) = 1/3 (Δ[MnSO4])/(Δt) = 1/5 (Δ[Mn(NO3)2])/(Δt) (assuming constant volume and no accumulation of intermediates or side products)
Construct the rate of reaction expression for: H_2SO_4 + KMnO_4 + N_2O ⟶ H_2O + K_2SO_4 + MnSO_4 + Mn(NO_3)_2 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: 7 H_2SO_4 + 8 KMnO_4 + 5 N_2O ⟶ 7 H_2O + 4 K_2SO_4 + 3 MnSO_4 + 5 Mn(NO_3)_2 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_2SO_4 | 7 | -7 KMnO_4 | 8 | -8 N_2O | 5 | -5 H_2O | 7 | 7 K_2SO_4 | 4 | 4 MnSO_4 | 3 | 3 Mn(NO_3)_2 | 5 | 5 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_2SO_4 | 7 | -7 | -1/7 (Δ[H2SO4])/(Δt) KMnO_4 | 8 | -8 | -1/8 (Δ[KMnO4])/(Δt) N_2O | 5 | -5 | -1/5 (Δ[N2O])/(Δt) H_2O | 7 | 7 | 1/7 (Δ[H2O])/(Δt) K_2SO_4 | 4 | 4 | 1/4 (Δ[K2SO4])/(Δt) MnSO_4 | 3 | 3 | 1/3 (Δ[MnSO4])/(Δt) Mn(NO_3)_2 | 5 | 5 | 1/5 (Δ[Mn(NO3)2])/(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 = -1/7 (Δ[H2SO4])/(Δt) = -1/8 (Δ[KMnO4])/(Δt) = -1/5 (Δ[N2O])/(Δt) = 1/7 (Δ[H2O])/(Δt) = 1/4 (Δ[K2SO4])/(Δt) = 1/3 (Δ[MnSO4])/(Δt) = 1/5 (Δ[Mn(NO3)2])/(Δt) (assuming constant volume and no accumulation of intermediates or side products)

Chemical names and formulas

| sulfuric acid | potassium permanganate | nitrous oxide | water | potassium sulfate | manganese(II) sulfate | manganese(II) nitrate formula | H_2SO_4 | KMnO_4 | N_2O | H_2O | K_2SO_4 | MnSO_4 | Mn(NO_3)_2 Hill formula | H_2O_4S | KMnO_4 | N_2O | H_2O | K_2O_4S | MnSO_4 | MnN_2O_6 name | sulfuric acid | potassium permanganate | nitrous oxide | water | potassium sulfate | manganese(II) sulfate | manganese(II) nitrate IUPAC name | sulfuric acid | potassium permanganate | nitrous oxide | water | dipotassium sulfate | manganese(+2) cation sulfate | manganese(2+) dinitrate
| sulfuric acid | potassium permanganate | nitrous oxide | water | potassium sulfate | manganese(II) sulfate | manganese(II) nitrate formula | H_2SO_4 | KMnO_4 | N_2O | H_2O | K_2SO_4 | MnSO_4 | Mn(NO_3)_2 Hill formula | H_2O_4S | KMnO_4 | N_2O | H_2O | K_2O_4S | MnSO_4 | MnN_2O_6 name | sulfuric acid | potassium permanganate | nitrous oxide | water | potassium sulfate | manganese(II) sulfate | manganese(II) nitrate IUPAC name | sulfuric acid | potassium permanganate | nitrous oxide | water | dipotassium sulfate | manganese(+2) cation sulfate | manganese(2+) dinitrate

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