Ozone

Ozone     General Systematic name Trioxygen Molecular formula O3 Molar mass 47.998 g/mol Appearance bluish colored gas CAS number [10028-15-6] Properties Density and phase 2.144 g/l (0 °C), gas Solubility in water 0.105 g/100 ml (0 °C) Melting point 75.95 K, −197.2 °C Boiling point 161.25 K, −111.9 °C Thermodynamic data Standard enthalpy of formation ΔfH°solid +142.3 kJ/mol Standard molar entropy S°solid 237.7 J.K−1.mol−1 Hazards E ...