Input interpretation
sulfur trioxide ⟶ oxygen + sulfur dioxide
Balanced equation
Balance the chemical equation algebraically: ⟶ + Add stoichiometric coefficients, c_i, to the reactants and products: c_1 ⟶ c_2 + c_3 Set the number of atoms in the reactants equal to the number of atoms in the products for O and S: O: | 3 c_1 = 2 c_2 + 2 c_3 S: | c_1 = c_3 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_2 = 1 and solve the system of equations for the remaining coefficients: c_1 = 2 c_2 = 1 c_3 = 2 Substitute the coefficients into the chemical reaction to obtain the balanced equation: Answer: | | 2 ⟶ + 2
Structures
⟶ +
Names
sulfur trioxide ⟶ oxygen + sulfur dioxide
Reaction thermodynamics
Gibbs free energy
| sulfur trioxide | oxygen | sulfur dioxide molecular free energy | -373.8 kJ/mol | 231.7 kJ/mol | -300.1 kJ/mol total free energy | -747.6 kJ/mol | 231.7 kJ/mol | -600.2 kJ/mol | G_initial = -747.6 kJ/mol | G_final = -368.5 kJ/mol | ΔG_rxn^0 | -368.5 kJ/mol - -747.6 kJ/mol = 379.1 kJ/mol (endergonic) | |
Chemical names and formulas
| sulfur trioxide | oxygen | sulfur dioxide Hill formula | O_3S | O_2 | O_2S name | sulfur trioxide | oxygen | sulfur dioxide IUPAC name | sulfur trioxide | molecular oxygen | sulfur dioxide
Substance properties
| sulfur trioxide | oxygen | sulfur dioxide molar mass | 80.06 g/mol | 31.998 g/mol | 64.06 g/mol phase | liquid (at STP) | gas (at STP) | gas (at STP) melting point | 16.8 °C | -218 °C | -73 °C boiling point | 44.7 °C | -183 °C | -10 °C density | 1.97 g/cm^3 | 0.001429 g/cm^3 (at 0 °C) | 0.002619 g/cm^3 (at 25 °C) solubility in water | reacts | | surface tension | | 0.01347 N/m | 0.02859 N/m dynamic viscosity | 0.00159 Pa s (at 30 °C) | 2.055×10^-5 Pa s (at 25 °C) | 1.282×10^-5 Pa s (at 25 °C) odor | | odorless |
Units
