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What is an acidbase reaction Give an example. 16. Explain the principles behind an

Chemistry: A Molecular Approach | 3rd Edition | ISBN: 9780321809247 | Authors: Nivaldo J. Tro ISBN: 9780321809247 1

Solution for problem 15 Chapter 4

Chemistry: A Molecular Approach | 3rd Edition

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Chemistry: A Molecular Approach | 3rd Edition | ISBN: 9780321809247 | Authors: Nivaldo J. Tro

Chemistry: A Molecular Approach | 3rd Edition

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Problem 15

What is an acidbase reaction? Give an example. 16. Explain the principles behind an acidbase titration.

Step-by-Step Solution:
Step 1 of 3

CHM 170 Chapter 17 Part 1 H-Enthalpy S-Entropy G-Gibbs Free Energy Energy changes that occur during a chemical reaction are due to the making and breaking of chemical bonds The first law of thermodynamics states that energy is conserved ΔETotal = Δ Eystem + Δ SurEoundings = 0 If the system absorbs energy it’s represented by a positive value (+) If the system releases energy it’s represented by a negative value (-) The second law of thermodynamics states that energy is most stable in a randomized state This means that a reaction can never be 100% efficient because some energy will always be lost due to entropy Thermodynamics predicts whether a process will occur under given conditions -spontaneous reactions (Thermodynamically favorable) do not require external stimuli -nonspontaneous reactions require external stimuli In all reactions one direction is spontaneous and the other is nonspontaneous The direction of spontaneity can be determined by comparing the potential energy of the system at the start and at the end Spontaneity is determined by comparing the chemical potential before the reaction with the potential energy after the reaction. Spontaneity ≠ speed of the reaction A nonspontaneous process can occur by coupling it to a process that is spontaneous or by supplying energy from an external source Spontaneous processes release energy Most go from higher energy to lower energy (Exothermic) But some go from lower energy to higher energy (Endothermic) Entropy is a thermodynamic function that increases as the number of e

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Chapter 4, Problem 15 is Solved
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Textbook: Chemistry: A Molecular Approach
Edition: 3
Author: Nivaldo J. Tro
ISBN: 9780321809247

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What is an acidbase reaction Give an example. 16. Explain the principles behind an