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Hydrogen gas and oxygen gas react violently to form water. a. Which is lower in energy

Introductory Chemistry: A Foundation | 7th Edition | ISBN: 9781439049402 | Authors: Steven S. Zumdahl, Donald J. DeCoste ISBN: 9781439049402 426

Solution for problem 15 Chapter 10

Introductory Chemistry: A Foundation | 7th Edition

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Introductory Chemistry: A Foundation | 7th Edition | ISBN: 9781439049402 | Authors: Steven S. Zumdahl, Donald J. DeCoste

Introductory Chemistry: A Foundation | 7th Edition

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Problem 15

Hydrogen gas and oxygen gas react violently to form water. a. Which is lower in energy: a mixture of hydrogen gases, or water? Explain. b. Sketch an energy-level diagram (like Figure 10.5) for this reaction and explain it.

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15.7 LE CHÂTELIER’S PRINCIPLE - if a system at equil is disturbed by a change in temp, pressure, or a component [ ], the system will shift its equil position so as to counteract the effect of the disturbance CHANGE IN REACTANT OR PRODUCT CONCENTRATION - if a chem system is already at equil and the [ ] of any substance in the mixture is increased (either reactant or product), the system reacts to consume some of that substance. Conversely, if the [ ] of a substance is decreased, the system reacts to produce some of that substance - ex: N2(g) + 3H 2g)  2NH (g3 - adding H 2auses the rxn to shift to the right, consuming some N to 2roduce more NH 3 - removing NH ca3ses the reaction to shift to the right to form more NH 3 EFFECTS OF VOLUME AND PRESSURE CHANGES

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Chapter 10, Problem 15 is Solved
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Textbook: Introductory Chemistry: A Foundation
Edition: 7
Author: Steven S. Zumdahl, Donald J. DeCoste
ISBN: 9781439049402

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Hydrogen gas and oxygen gas react violently to form water. a. Which is lower in energy