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The following reactions have been allowed to reach equilibrium. Consider the following changes that are introduced to the system and predict the direction of the equilibrium shift (to the left or to the right).  If no equilibrium shift is expected, write "no change". HPO42- (aq) +  H2O(l)          PO43-(aq)  +  H3O+(aq);  NaOH is added                                                                                                                         Ans.  ______________ C2H4 (g) +  I2 (g)         C2H4I2 (g)  +  heat;  a catalyst is added

The following reactions have been allowed to reach equilibrium. Consider the following changes that are introduced to the system and predict the direction of the equilibrium shift (to the left or to the right).  If no equilibrium shift is expected, write "no change". HPO42- (aq) +  H2O(l)          PO43-(aq)  +  H3O+(aq);  NaOH is added                                                                                                                         Ans.  ______________ C2H4 (g) +  I2 (g)         C2H4I2 (g)  +  heat;  a catalyst is added

Chemistry for Engineering Students
Chemistry for Engineering Students
4th Edition
ISBN:9781337398909
Author:Lawrence S. Brown, Tom Holme
Publisher:Lawrence S. Brown, Tom Holme
Chapter12: Chemical Equilibrium
Section: Chapter Questions
Problem 12.11PAE
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  1. The following reactions have been allowed to reach equilibrium. Consider the following changes that are introduced to the system and predict the direction of the equilibrium shift (to the left or to the right).  If no equilibrium shift is expected, write "no change".
  1. HPO42- (aq) +  H2O(l)          PO43-(aq)  +  H3O+(aq);  NaOH is added

                                                                                                                        Ans.  ______________

  1. C2H4 (g) +  I2 (g)         C2H4I2 (g)  +  heat;  a catalyst is added

                                                                                                                        Ans.  ______________

  1. AgBr (s) Ag+ (aq) + Br- (aq); AgBr is added

                                                                                                                        Ans.  ______________

 

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