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Chemistry / Chemistry 11 / Chapter 6 / Problem 49P

Chemistry | 11th Edition | ISBN: 9780073402680 | Authors: Raymond Chang

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In general, compounds with negative values are more stable

Chapter 6, Problem 49P

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QUESTION:

In general, compounds with negative \(\Delta H_{f}^{\circ}\) values are more stable than those with positive \(\Delta H_{f}^{\circ}\) values. \(\mathrm{H}_{2} \mathrm{O}_{2}(\mathrm{l})\) has a negative \(\Delta H_{f}^{\circ}\) (see Table 6.4). Why, then, does \(\mathrm{H}_{2} \mathrm{O}_{2}(\mathrm{l})\) have a tendency to decompose to \(H_{2} O(l)\) and \(O_{2}(g)\)?

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QUESTION:

In general, compounds with negative \(\Delta H_{f}^{\circ}\) values are more stable than those with positive \(\Delta H_{f}^{\circ}\) values. \(\mathrm{H}_{2} \mathrm{O}_{2}(\mathrm{l})\) has a negative \(\Delta H_{f}^{\circ}\) (see Table 6.4). Why, then, does \(\mathrm{H}_{2} \mathrm{O}_{2}(\mathrm{l})\) have a tendency to decompose to \(H_{2} O(l)\) and \(O_{2}(g)\)?

ANSWER:

Step 1 of 2

The decomposition reaction is

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