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Le Chatelier’s principle states that “If you stress a system at equilibrium, the system will react to relieve the stress and return to equilibrium”.  The following equation represents a chemical reaction at equilibrium: 2A (g)   +   3B (g)  <===> 2C (g)  + 4D (g)   ∆H = -378 kcal/mol            (g) means gas   In each case below, explain how the system reacts (forward direction, reverse direction or no change): The concentration of A is increased                     Heat is added to the system                                  B is removed from the reaction                             Pressure is added                                                    The concentration of C is increased

Le Chatelier’s principle states that “If you stress a system at equilibrium, the system will react to relieve the stress and return to equilibrium”.  The following equation represents a chemical reaction at equilibrium: 2A (g)   +   3B (g)  <===> 2C (g)  + 4D (g)   ∆H = -378 kcal/mol            (g) means gas   In each case below, explain how the system reacts (forward direction, reverse direction or no change): The concentration of A is increased                     Heat is added to the system                                  B is removed from the reaction                             Pressure is added                                                    The concentration of C is increased

Chemistry
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Le Chatelier’s principle states that “If you stress a system at equilibrium, the system will react to relieve the stress and return to equilibrium”.  The following equation represents a chemical reaction at equilibrium:

2A (g)   +   3B (g)  <===> 2C (g)  + 4D (g)   ∆H = -378 kcal/mol            (g) means gas

 

In each case below, explain how the system reacts (forward direction, reverse direction or no change):

  1. The concentration of A is increased                    
  2. Heat is added to the system                                 
  3. B is removed from the reaction                            
  4. Pressure is added                                                   
  5. The concentration of C is increased                    
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