pasi1

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Praseodymium, 59Pr
Atomic nhamba (Z) 59
Phase pa STP yakasimba
Melting point 1208 K (935 °C, 1715 °F)
Boiling point 3403 K (3130 °C, 5666 °F)
Density (pedyo ne rt) 6.77 g/cm3
kana mvura (pa mp) 6.50 g/cm3
Kupisa kwe fusion 6.89 kJ/mol
Kupisa kwe vaporization 331 kJ/mol
Molar kupisa simba 27.20 J/(mol·K)
  • Praseodymium(III,IV) Oxide

    Praseodymium(III,IV) Oxide

    Praseodymium (III,IV) Oxidendiyo inorganic compound ine formula Pr6O11 isinganyunguriki mumvura. Iine cubic fluorite chimiro. Ndiyo yakanyanya kugadzikana fomu ye praseodymium oxide pane ambient tembiricha uye pressure.Iyo yakanyanya inseluble thermally stable Praseodymium sosi inokodzera girazi, optic uye ceramic application. Praseodymium(III,IV) Oxide inowanzonzi High Purity (99.999%) Praseodymium(III,IV) Oxide (Pr2O3) Powder ichangobva kuwanikwa mumavhoriyamu akawanda. Ultra yakakwirira kuchena uye yakakwirira kuchena nziyo inovandudza ese ari maviri emhando yemhando uye inobatsira seyesainzi zviyero. Nanoscale elemental poda uye kumiswa, seimwe yakakwira nzvimbo mafomu, inogona kutariswa.