Nā huahana
Cerium, 58Ce | |
Helu ʻAtoma (Z) | 58 |
Hana ma STP | paa |
Lae hehee | 1068 K (795 °C, 1463 °F) |
Lae paila | 3716 K (3443 °C, 6229 °F) |
ʻO ka mānoanoa (kokoke rt) | 6.770 g/cm3 |
ka wai (ma mp) | 6.55 g/cm3 |
Ka wela o ka hui ʻana | 5.46 kJ/mol |
Ka wela o ka mahu | 398 kJ/mol |
Ka hiki wela molar | 26.94 J/(mol·K) |
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Cerium(Ce) Oxide
Cerium Oxide, i ʻike ʻia he cerium dioxide,Cerium(IV) Oxidea i ʻole ka cerium dioxide, he oxide o ka cerium metala honua ʻole. He pauda melemele-keʻokeʻo keʻokeʻo me ke ʻano kemika CeO2. He huahana kālepa koʻikoʻi a he mea waena i ka hoʻomaʻemaʻe ʻana i ka mea mai nā ores. ʻO ka waiwai kūʻokoʻa o kēia mea ʻo ia ka hoʻohuli ʻana i kahi mea ʻole stoichiometric oxide.
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Cerium(III) Carbonate
ʻO Cerium(III) Carbonate Ce2(CO3)3, ʻo ia ka paʻakai i hana ʻia e nā cation cerium(III) a me nā anions carbonate. He kumu wai Cerium hiki ole ke hoololi ia i na mea Cerium e ae, e like me ka oxide ma ka hoohana ana (calcin0ation).
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Cerium Hydroxide
ʻO Cerium(IV) Hydroxide, ʻike ʻia hoʻi he ceric hydroxide, he kumu wai ʻaʻole hiki ke hoʻoheheʻe ʻia i ka wai Cerium no ka hoʻohana ʻana i kūpono me nā wahi pH kiʻekiʻe. He mea hoʻohuihui inorganic me ke ʻano kemika Ce(OH)4. He pauda melemele ʻaʻole hiki ke hoʻoheheʻe ʻia i ka wai akā hiki ke hoʻoheheʻe ʻia i loko o nā ʻakika paʻa.
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ʻO Cerium(III) Oxalate Hydrate
Cerium(III) Oxalate (ʻO Cerous Oxalate) ʻo ia ka paʻakai cerium inorganic o ka ʻakika oxalic, ʻaʻole hiki ke hoʻoheheʻe ʻia i ka wai a hoʻololi i ka oxide ke hoʻomehana ʻia (calcined). He paʻa keʻokeʻo keʻokeʻo me ke ʻano kemika oCe2(C2O4)3.Hiki ke loaʻa iā ia ma ka hopena o ka ʻakika oxalic me ka cerium(III) chloride.