9.54 The phase change between graphite and diamond is dif- ficult to observe directly. Both substances can be burned, however. From these equations, calculate AH° for the con- version of diamond into graphite. C(s, graphite) + O>(g)→CO2(g) C(s, diamond) + O2(g)→CO2(g) AH° = -393.51 kJ AH° = -395.94 kJ

9.54 The phase change between graphite and diamond is dif- ficult to observe directly. Both substances can be burned, however. From these equations, calculate AH° for the con- version of diamond into graphite. C(s, graphite) + O>(g)→CO2(g) C(s, diamond) + O2(g)→CO2(g) AH° = -393.51 kJ AH° = -395.94 kJ

Chemistry: The Molecular Science

5th Edition

ISBN:9781285199047

Author:John W. Moore, Conrad L. Stanitski

Publisher:John W. Moore, Conrad L. Stanitski

Chapter4: Energy And Chemical Reactions

Section: Chapter Questions

Problem 38QRT

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