Input interpretation
hydrogen sulfide + hydrogen peroxide ⟶ water + sulfuric acid
Balanced equation
Balance the chemical equation algebraically: + ⟶ + Add stoichiometric coefficients, c_i, to the reactants and products: c_1 + c_2 ⟶ c_3 + c_4 Set the number of atoms in the reactants equal to the number of atoms in the products for H, S and O: H: | 2 c_1 + 2 c_2 = 2 c_3 + 2 c_4 S: | c_1 = c_4 O: | 2 c_2 = c_3 + 4 c_4 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 = 4 c_3 = 4 c_4 = 1 Substitute the coefficients into the chemical reaction to obtain the balanced equation: Answer: | | + 4 ⟶ 4 +
Structures
+ ⟶ +
Names
hydrogen sulfide + hydrogen peroxide ⟶ water + sulfuric acid
Reaction thermodynamics
Gibbs free energy
| hydrogen sulfide | hydrogen peroxide | water | sulfuric acid molecular free energy | -33.4 kJ/mol | -120.4 kJ/mol | -237.1 kJ/mol | -690 kJ/mol total free energy | -33.4 kJ/mol | -481.6 kJ/mol | -948.4 kJ/mol | -690 kJ/mol | G_initial = -515 kJ/mol | | G_final = -1638 kJ/mol | ΔG_rxn^0 | -1638 kJ/mol - -515 kJ/mol = -1123 kJ/mol (exergonic) | | |
Chemical names and formulas
| hydrogen sulfide | hydrogen peroxide | water | sulfuric acid Hill formula | H_2S | H_2O_2 | H_2O | H_2O_4S name | hydrogen sulfide | hydrogen peroxide | water | sulfuric acid
Substance properties
| hydrogen sulfide | hydrogen peroxide | water | sulfuric acid molar mass | 34.08 g/mol | 34.014 g/mol | 18.015 g/mol | 98.07 g/mol phase | gas (at STP) | liquid (at STP) | liquid (at STP) | liquid (at STP) melting point | -85 °C | -0.43 °C | 0 °C | 10.371 °C boiling point | -60 °C | 150.2 °C | 99.9839 °C | 279.6 °C density | 0.001393 g/cm^3 (at 25 °C) | 1.44 g/cm^3 | 1 g/cm^3 | 1.8305 g/cm^3 solubility in water | | miscible | | very soluble surface tension | | 0.0804 N/m | 0.0728 N/m | 0.0735 N/m dynamic viscosity | 1.239×10^-5 Pa s (at 25 °C) | 0.001249 Pa s (at 20 °C) | 8.9×10^-4 Pa s (at 25 °C) | 0.021 Pa s (at 25 °C) odor | | | odorless | odorless
Units
