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Standard Gibbs energy of formation of platinic acid H2Pt(OH) 6in the crystalline state

✍ Scribed by Yatsuhisa Nagano; Yuji Miyazaki

Publisher: Elsevier Science
Year: 2002
Tongue: English
Weight: 45 KB
Volume: 34
Category: Article
ISSN: 0021-9614
DOI: 10.1006/jcht.2001.0934

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✦ Synopsis

Heat capacity of platinic acid, hydrogen hexahydroxyplatinate(IV) H 2 Pt(OH) 6 , was measured from T = 7 K to T = 310 K by means of adiabatic calorimetry. The standard entropy and the standard Gibbs energy of formation of platinic acid in the crystalline state were determined to be 176.5 ± 3.6 J • K -1

• mol -1 and -988.8 ± 3.8 kJ • mol -1 , respectively.

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