Input interpretation
sulfuric acid + fluorine ⟶ oxygen + hydrogen fluoride + sulfur hexafluoride
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 + c_5 Set the number of atoms in the reactants equal to the number of atoms in the products for H, O, S and F: H: | 2 c_1 = c_4 O: | 4 c_1 = 2 c_3 S: | c_1 = c_5 F: | 2 c_2 = c_4 + 6 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_1 = 1 and solve the system of equations for the remaining coefficients: c_1 = 1 c_2 = 4 c_3 = 2 c_4 = 2 c_5 = 1 Substitute the coefficients into the chemical reaction to obtain the balanced equation: Answer: | | + 4 ⟶ 2 + 2 +
Structures
+ ⟶ + +
Names
sulfuric acid + fluorine ⟶ oxygen + hydrogen fluoride + sulfur hexafluoride
Reaction thermodynamics
Enthalpy
| sulfuric acid | fluorine | oxygen | hydrogen fluoride | sulfur hexafluoride molecular enthalpy | -814 kJ/mol | 0 kJ/mol | 0 kJ/mol | -273.3 kJ/mol | -1221 kJ/mol total enthalpy | -814 kJ/mol | 0 kJ/mol | 0 kJ/mol | -546.6 kJ/mol | -1221 kJ/mol | H_initial = -814 kJ/mol | | H_final = -1767 kJ/mol | | ΔH_rxn^0 | -1767 kJ/mol - -814 kJ/mol = -953.1 kJ/mol (exothermic) | | | |
Gibbs free energy
| sulfuric acid | fluorine | oxygen | hydrogen fluoride | sulfur hexafluoride molecular free energy | -690 kJ/mol | 0 kJ/mol | 231.7 kJ/mol | -275.4 kJ/mol | -1117 kJ/mol total free energy | -690 kJ/mol | 0 kJ/mol | 463.4 kJ/mol | -550.8 kJ/mol | -1117 kJ/mol | G_initial = -690 kJ/mol | | G_final = -1204 kJ/mol | | ΔG_rxn^0 | -1204 kJ/mol - -690 kJ/mol = -513.9 kJ/mol (exergonic) | | | |
Entropy
| sulfuric acid | fluorine | oxygen | hydrogen fluoride | sulfur hexafluoride molecular entropy | 157 J/(mol K) | 202.8 J/(mol K) | 205 J/(mol K) | 173.8 J/(mol K) | 292 J/(mol K) total entropy | 157 J/(mol K) | 811.2 J/(mol K) | 410 J/(mol K) | 347.6 J/(mol K) | 292 J/(mol K) | S_initial = 968.2 J/(mol K) | | S_final = 1050 J/(mol K) | | ΔS_rxn^0 | 1050 J/(mol K) - 968.2 J/(mol K) = 81.4 J/(mol K) (endoentropic) | | | |
Chemical names and formulas
| sulfuric acid | fluorine | oxygen | hydrogen fluoride | sulfur hexafluoride Hill formula | H_2O_4S | F_2 | O_2 | FH | F_6S name | sulfuric acid | fluorine | oxygen | hydrogen fluoride | sulfur hexafluoride IUPAC name | sulfuric acid | molecular fluorine | molecular oxygen | hydrogen fluoride |