Kalium peroksida: Perbedaan antara revisi
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Add 2 books for Wikipedia:Pemastian (20231209)) #IABot (v2.0.9.5) (GreenC bot |
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Baris 34: | Baris 34: | ||
{{cite book | last = Lide | first = David R. | year = 1998 |
{{cite book | last = Lide | first = David R. | year = 1998 |
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| title = Handbook of Chemistry and Physics |
| title = Handbook of Chemistry and Physics |
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| edition = 87 | publication-place = Boca Raton, Florida | publisher = CRC Press |
| url = https://archive.org/details/isbn_9780849305948 | edition = 87 | publication-place = Boca Raton, Florida | publisher = CRC Press |
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| isbn = 0-8493-0594-2 | pages = 477; 520}}</ref> |
| isbn = 0-8493-0594-2 | pages = 477; 520}}</ref> |
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| MeltingPtC = 490 |
| MeltingPtC = 490 |
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Baris 45: | Baris 45: | ||
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|Section4={{Chembox Thermochemistry |
|Section4={{Chembox Thermochemistry |
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| DeltaHf = −496 kJ·mol<sup>−1</sup><ref name=b1>{{cite book| author = Zumdahl, Steven S.|title =Chemical Principles 6th Ed.| publisher = Houghton Mifflin Company| year = 2009| isbn = 0-618-94690-X|page=A22}}</ref> |
| DeltaHf = −496 kJ·mol<sup>−1</sup><ref name=b1>{{cite book| author = Zumdahl, Steven S.|title =Chemical Principles 6th Ed.| url = https://archive.org/details/chemicalprincipl0000zumd_u9g0| publisher = Houghton Mifflin Company| year = 2009| isbn = 0-618-94690-X|page=A22}}</ref> |
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| Entropy = 113 J·mol<sup>−1</sup>·K<sup>−1</sup><ref name=b1/> |
| Entropy = 113 J·mol<sup>−1</sup>·K<sup>−1</sup><ref name=b1/> |
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Revisi terkini sejak 12 Desember 2023 03.42
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Nama | |
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Nama IUPAC
Kalium peroksida
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Penanda | |
Model 3D (JSmol)
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3DMet | {{{3DMet}}} |
ChemSpider | |
Nomor EC | |
PubChem CID
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Nomor RTECS | {{{value}}} |
CompTox Dashboard (EPA)
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Sifat | |
K2O2 | |
Massa molar | 110.196 g/mol |
Penampilan | padatan kuning |
Titik lebur | 490 °C (914 °F; 763 K) |
bereaksi dengan air[1] | |
Struktur | |
Orthorombic | |
Cmca, oS16 | |
Termokimia | |
Entropi molar standar (S |
113 J·mol−1·K−1[2] |
Entalpi pembentukan standar (ΔfH |
−496 kJ·mol−1[2] |
Bahaya | |
Senyawa terkait | |
Anion lain
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Kalium oksida Kalium superoksida Kalium klorida |
Kation lainnya
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Litium peroksida Natrium peroksida |
Kecuali dinyatakan lain, data di atas berlaku pada suhu dan tekanan standar (25 °C [77 °F], 100 kPa). | |
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Referensi | |
Kalium peroksida adalah senyawa anorganik dengan rumus kimia K2O2. Ini terbentuk ketika kalium bereaksi dengan oksigen di udara, bersama dengan kalium oksida (K2O) dan kalium superoksida (KO2).
Kalium peroksida bereaksi dengan air untuk membentuk kalium hidroksida dan oksigen:
Referensi
[sunting | sunting sumber]- ^ Lide, David R. (1998). Handbook of Chemistry and Physics (edisi ke-87). Boca Raton, Florida: CRC Press. hlm. 477; 520. ISBN 0-8493-0594-2.
- ^ a b Zumdahl, Steven S. (2009). Chemical Principles 6th Ed. Houghton Mifflin Company. hlm. A22. ISBN 0-618-94690-X.