Input interpretation
oxygen ⟶ ozone
Balanced equation
Balance the chemical equation algebraically: ⟶ Add stoichiometric coefficients, c_i, to the reactants and products: c_1 ⟶ c_2 Set the number of atoms in the reactants equal to the number of atoms in the products for O: O: | 2 c_1 = 3 c_2 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 = 3/2 c_2 = 1 Multiply by the least common denominator, 2, to eliminate fractional coefficients: c_1 = 3 c_2 = 2 Substitute the coefficients into the chemical reaction to obtain the balanced equation: Answer: | | 3 ⟶ 2
Structures
⟶
Names
oxygen ⟶ ozone
Reaction thermodynamics
Enthalpy
| oxygen | ozone molecular enthalpy | 0 kJ/mol | 142.7 kJ/mol total enthalpy | 0 kJ/mol | 285.4 kJ/mol | H_initial = 0 kJ/mol | H_final = 285.4 kJ/mol ΔH_rxn^0 | 285.4 kJ/mol - 0 kJ/mol = 285.4 kJ/mol (endothermic) |
Gibbs free energy
| oxygen | ozone molecular free energy | 231.7 kJ/mol | 163.2 kJ/mol total free energy | 695.1 kJ/mol | 326.4 kJ/mol | G_initial = 695.1 kJ/mol | G_final = 326.4 kJ/mol ΔG_rxn^0 | 326.4 kJ/mol - 695.1 kJ/mol = -368.7 kJ/mol (exergonic) |
Entropy
| oxygen | ozone molecular entropy | 205 J/(mol K) | 239 J/(mol K) total entropy | 615 J/(mol K) | 478 J/(mol K) | S_initial = 615 J/(mol K) | S_final = 478 J/(mol K) ΔS_rxn^0 | 478 J/(mol K) - 615 J/(mol K) = -137 J/(mol K) (exoentropic) |
Chemical names and formulas
| oxygen | ozone Hill formula | O_2 | O_3 name | oxygen | ozone IUPAC name | molecular oxygen | ozone
Substance properties
| oxygen | ozone molar mass | 31.998 g/mol | 47.997 g/mol phase | gas (at STP) | gas (at STP) melting point | -218 °C | -192.2 °C boiling point | -183 °C | -111.9 °C density | 0.001429 g/cm^3 (at 0 °C) | 0.001962 g/cm^3 (at 25 °C) surface tension | 0.01347 N/m | dynamic viscosity | 2.055×10^-5 Pa s (at 25 °C) | odor | odorless |
Units
