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Consider the reaction 2 NO (g) + H2 (g) ⇌ N2O (g) + H2O (g) with ΔH° = + 36 kJ. In  which direction, left or right, will the equilibrium shift if the following changes are  made?  1. NO is added ________________________ 2. the system is cooled ________________________ 3. H2 is removed ________________________

Consider the reaction 2 NO (g) + H2 (g) ⇌ N2O (g) + H2O (g) with ΔH° = + 36 kJ. In  which direction, left or right, will the equilibrium shift if the following changes are  made?  1. NO is added ________________________ 2. the system is cooled ________________________ 3. H2 is removed ________________________

Introductory Chemistry For Today
Introductory Chemistry For Today
8th Edition
ISBN:9781285644561
Author:Seager
Publisher:Seager
Chapter8: Reaction Rates And Equilibrium
Section: Chapter Questions
Problem 8.93E
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Consider the reaction 2 NO (g) + H2 (g) ⇌ N2O (g) + H2O (g) with ΔH° = + 36 kJ. In 
which direction, left or right, will the equilibrium shift if the following changes are 
made? 
1. NO is added ________________________
2. the system is cooled ________________________
3. H2 is removed ________________________
4. pressure is increased ________________________
5. N2O is added ________________________
6. H2 is removed _______________________

explain your answer.

Le Chatelier's principle states that "when a stress is applied to a system in equilibrium, the system will do such a way to offset the stress by shifting or favoring either the forward or backward reaction". LE CHATELIER'S PRINCIPLE S HIFT increase concentration of away from substance STRESS WHY? extra concentration needs to be used up a substance decrease concentration towards substance of a substance need to produce more of substance to make up for what was removed increase pressure of system towards fewer moles of for gas: pressure increase = volume decrease gas decrease pressure of towards more moles of for gas: pressure decrease = volume increase system gas increase temperature of away from heat/ energy extra heat/ energy must be used up system exothermic reaction is favored decrease temperature of towards heat/ energy system more heat/ energy needs to be produced to make up for the loss exothermic reaction is favored The rates of both the forward and reverse add a catalyst NO SHIFT reactions are increased by the same amount. Table is lifted from httos://socratic.org/questions/what-is-le-chateller-s-principle-in- chemistry. From the definition of Le Chatelier's principle, assess the following instances: (Note: Use the provided table as a guide.) Consider the reaction 2 NO (g) + Hz (g) = N2O (g) + H2O (g) with AH° = + 36 kJ. In which direction, left or right, will the equilibrium shift if the following changes are made? 1. NO is added 2. the system is cooled 3. Hz is removed 4. pressure is increased 5. N20 is added 6. Hz is removed
Transcribed Image Text:Le Chatelier's principle states that "when a stress is applied to a system in equilibrium, the system will do such a way to offset the stress by shifting or favoring either the forward or backward reaction". LE CHATELIER'S PRINCIPLE S HIFT increase concentration of away from substance STRESS WHY? extra concentration needs to be used up a substance decrease concentration towards substance of a substance need to produce more of substance to make up for what was removed increase pressure of system towards fewer moles of for gas: pressure increase = volume decrease gas decrease pressure of towards more moles of for gas: pressure decrease = volume increase system gas increase temperature of away from heat/ energy extra heat/ energy must be used up system exothermic reaction is favored decrease temperature of towards heat/ energy system more heat/ energy needs to be produced to make up for the loss exothermic reaction is favored The rates of both the forward and reverse add a catalyst NO SHIFT reactions are increased by the same amount. Table is lifted from httos://socratic.org/questions/what-is-le-chateller-s-principle-in- chemistry. From the definition of Le Chatelier's principle, assess the following instances: (Note: Use the provided table as a guide.) Consider the reaction 2 NO (g) + Hz (g) = N2O (g) + H2O (g) with AH° = + 36 kJ. In which direction, left or right, will the equilibrium shift if the following changes are made? 1. NO is added 2. the system is cooled 3. Hz is removed 4. pressure is increased 5. N20 is added 6. Hz is removed
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