五氧化二钒性质表

五氧化二钒的一些性质如下所述。

基本信息

热力学性质
熔化热[4]	65.15 kJ/mol
汽化热[4]	263.8 kJ/mol
比热容[4]	0.145 kJ/(kg·K) at 60 K 0.220 kJ/(kg·K) at 80 K 0.289 kJ/(kg·K) at 100 K 0.557 kJ/(kg·K) at 200 K 0.709 kJ/(kg·K) at 280 K 0.994 kJ/(kg·K) at 500 K 1.095 kJ/(kg·K) at 800 K
吉布斯自由能（Δ_fG˚）	-141.9435 kJ/mol[5]

电化学性质
电导率	9.1×10^-5 Siemens·cm^-1（室温）[6] 440 Siemens·cm^-1（440°C）[7]
介电常数	参见[8]

和单质反应：
- 2 V₂O₅ + 6 Cl₂ → 4 VOCl₃ + 3 O₂（600-700°C）
- 3 V₂O₅ + 10 Al → 6 V + 5 Al₂O₃
形成钒酸盐：
- V₂O₅ + 2 NaOH → 2 NaVO₃ + H₂O
- V₂O₅ + 4 KVO₃ → K₄V₆O₁₇[9]

Castle, J. E.; Proceedings - Electrochemical Society 2003, V2001-21(Batteries and Supercapacitors), P188-200 CAPLUS
"Hazardous Substances Data Bank" data were obtained from the National Library of Medicine (US)
Gurulakshmi, M.; Applied Catalysis, A: General 2012, V449, P31-46 CAPLUS
化学化工物性数据手册无机卷. pp 249 - 262. 4.2 金属单质氧化物
R. Robie, B. Hemingway, and J. Fisher, “Thermodynamic Properties of Minerals and Related Substances at 298.15K and 1bar Pressure and at Higher Temperatures,” US Geol. Surv., vol. 1452, 1978.
Murugan, A. Vadivel; Electrochimica Acta 2005, V50(24), P4627-4636 CAPLUS
Arsen'eva, A. N.; Zhurnal Eksperimental'noi i Teoreticheskoi Fiziki 1934, V4, P576-83 CAPLUS
Kim, Duck-Hwan; Key Engineering Materials 2002, V228-229(Asian Ceramic Science for Electronics II), P49-53 CAPLUS
曹忠良王珍云. 无机化学反应方程式手册. 湖南科学技术出版社. 第十章钒分族

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