ST-LAB EXERCISES FORM \"B\" A. increase B. decrease C. no change D. shift left E
ID: 543816 • Letter: S
Question
ST-LAB EXERCISES FORM "B" A. increase B. decrease C. no change D. shift left E. shift right F. cannot be determined C(s) H2O(g) + -CO(g) Hig) >0 + 1. What will be the effect upon the equilibrium if the pressure on the system is increa 2. what will be the effect upon the concentration of CO if the concentration of His decreased 3, what will be the effect upon the equilibrium if the concentration of H2 is decreased? 4, what will be the effect upon the concentration of Haif the concentration of Ha is increased? 5. What will be the effect upon the equilibrium if He is removed and more C is added? 6, what will be the effect upon the concentration of H2 if the amount of C is increased? 7. What will be the effect upon the equilibrium if the temperature and the concentration of H2 increases? 8. What will be the effect upon the concentration of CO if the temperature is increased? 9. What will be the effect upon the equilibrium if the concentration of H:0 is decreased and CO is 10. What will be the effect upon the equilibrium if a catalyst is added?Explanation / Answer
1) As per the rule of chemical equilibrium, pure solid are not considered while writing equilibrium expression, in otherwords solid does not have any effect on equilibrium.
for the given equilibrium, mole of product = 2 > moles of reactant = 1 (excluding C)
Thus, acccording to Lechateliers principle, when pressure increases equilibrium shifts in a direction where there is less number of moles i.e- in this case towards left
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