Input interpretation
radon | melting point
Result
-71 °C (degrees Celsius)
Unit conversions
202 K (kelvins)
-100 °F (degrees Fahrenheit)
360 °R (degrees Rankine)
-57 °Ré (degrees Réaumur)
-30 °Rø (degrees Rømer)
Comparisons as temperature
7 °C above boiling point of dry ice-acetone slurry (-78 °C)
8 °C above sublimation temperature of dry ice (carbon dioxide) (194.6 K)
24 °C above coldest recorded temperature on Earth (-94.7 °C)
Corresponding quantities
Thermodynamic energy E from E = kT: | 17 meV (millielectronvolts)
Blackbody energy flux Φ from Φ = σT^4: | 95 W/m^2 (watts per square meter)
Approximate luminous exitance from a planar blackbody radiator perpendicular to its surface: | 6.1×10^-35 lx (lux)
Thermodynamic properties
phase at STP | gas melting point | -71 °C (rank: 92nd) boiling point | -61.7 °C (rank: 85th) critical temperature | 377 K (rank: 12th) critical pressure | 6.28 MPa (rank: 12th) molar heat of fusion | 3 kJ/mol (rank: 73rd) molar heat of vaporization | 17 kJ/mol (rank: 81st) specific heat at STP | 93.65 J/(kg K) (rank: 86th) adiabatic index | 5/3 (rank: 1st) (properties at standard conditions)