Input interpretation
protactinium | melting point
Result
1572 °C (degrees Celsius)
Unit conversions
1845 K (kelvins)
2862 °F (degrees Fahrenheit)
3321 °R (degrees Rankine)
1258 °Ré (degrees Réaumur)
832.8 °Rø (degrees Rømer)
Comparisons as temperature
96 °C below melting point of titanium (1668 °C)
25 °C below temperature of a Bunsen burner flame (1870 K)
34 °C above melting point of iron (1538 °C)
Blackbody information
perceived color | peak wavelength | 1.57 µm (micrometers) peak frequency | 108.5 THz (terahertz)
Corresponding quantities
Thermodynamic energy E from E = kT: | 16 ceV (centielectronvolts)
Blackbody energy flux Φ from Φ = σT^4: | 657262 W/m^2 (watts per square meter)
Approximate luminous exitance from a planar blackbody radiator perpendicular to its surface: | 516027 lx (lux)
Thermodynamic properties
phase at STP | solid melting point | 1572 °C (rank: 22nd) boiling point | 4000 °C (rank: 14th) molar heat of fusion | 15 kJ/mol (rank: 33rd) molar heat of vaporization | 470 kJ/mol (rank: 17th) specific heat at STP | 99.1 J/(kg K) (rank: 85th) (properties at standard conditions)