Kalium superoksida
| Nama | |
|---|---|
| Nama IUPAC
Kalium dioksida
| |
| Nama lain
Kalium superoksida
| |
| Penanda | |
Model 3D (JSmol)
|
|
| ChemSpider | |
| Nomor EC | |
PubChem CID
|
|
| Nomor RTECS | {{{value}}} |
CompTox Dashboard (EPA)
|
|
| |
| |
| Sifat | |
| KO2 | |
| Massa molar | 71,10 g·mol−1 |
| Penampilan | yellow solid |
| Densitas | 2.14 g/cm3, solid |
| Titik lebur | 560 °C (1.040 °F; 833 K) (decomposes) |
| Hydrolysis | |
| Struktur | |
| Body-centered cubic (O−2) [diperdebatkan ] | |
| Termokimia | |
| Entropi molar standar (S |
117 J·mol−1·K−1[1] |
| Entalpi pembentukan standar (ΔfH |
−283 kJ·mol−1[1] |
| Bahaya | |
| Bahaya utama | corrosive, oxidant |
| Frasa-R | 8-14-34 |
| Frasa-S | 17-27-36/37/39 |
| Senyawa terkait | |
Anion lain
|
Potassium oxide Potassium peroxide |
Kation lainnya
|
Lithium superoxide Sodium superoxide Rubidium superoxide |
Kecuali dinyatakan lain, data di atas berlaku pada suhu dan tekanan standar (25 °C [77 °F], 100 kPa). | |
| Referensi | |
Kalium superoksida adalah senyawa anorganik dengan rumus KO2.[2] Ini adalah padatan paramagnetik kuning yang terurai di udara lembab. Ini adalah contoh langka dari garam stabil dari anion superoksida.
Kalium superoksida digunakan sebagai CO2 penggosok, H2O dehumidifier dan O2 generator di rebreathers, pesawat ruang angkasa, kapal selam dan sistem pendukung kehidupan pakaian luar angkasa.
Referensi
- ^ a b Zumdahl, Steven S. (2009). Chemical Principles (Edisi 6th). Houghton Mifflin. hlm. A22. ISBN 978-0-618-94690-7.
- ^ "Superoxide Ion: Generation and Chemical Implications". Chem. Rev. 116 (5): 3029–3085. 2016. doi:10.1021/acs.chemrev.5b00407. PMID 26875845.
Content Disclaimer
Informasi ini disarikan dari Wikipedia dan disajikan kembali untuk tujuan edukasi. Konten tersedia di bawah lisensi CC BY-SA 3.0. Kami tidak bertanggung jawab atas ketidakakuratan data yang bersumber dari kontribusi publik tersebut.
- The information displayed on this website is sourced in part or in whole from Wikipedia and has been adapted for the purpose of restating it. We strive to provide accurate and relevant information, however:
- There is no guarantee of absolute accuracy. Wikipedia is an open, collaborative project that can be edited by anyone, so information is subject to change.
- It is not intended to constitute professional advice. The content displayed is for informational and educational purposes only. For important decisions (e.g., medical, legal, or financial), please consult a professional.
- Content copyright. Wikipedia is licensed under the Creative Commons Attribution-ShareAlike License (CC BY-SA). This means that content may be reused with appropriate attribution and shared under a similar license.
- Responsible use. Any risk arising from the use of information from this website is entirely the responsibility of the user.