Chemistry Equilibrium: Picking B & Not Sure for C

AI Thread Summary
In the reaction 2SO2 + O2 <--> 2SO3, injecting additional SO2 shifts the equilibrium to the right, favoring the production of SO3. Removing some SO3 also shifts the equilibrium to the right for the same reason. When the size of the reaction vessel is decreased, the pressure increases, which can shift the equilibrium towards the side with fewer moles of gas, potentially leading to a shift to the right. Injecting helium does not affect the equilibrium position since it does not participate in the reaction, leaving the equilibrium unchanged. Understanding how concentration and pressure changes impact equilibrium is crucial for predicting shifts in reactions.
briman
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consider the reaction
2SO2 + O2 <---> 2SO3

A SHIFTS TO THE LEFT
B SHIFTS TO THE RIGHT
C NO CHANGE

ADDITIONAL SO2 IS INJECTED INTO REACTION VESSEL
I PICKED B

SOME SO3 IS REMOVED FROM THE REATION VESSEL
I PICKED B AGAIN

THE SIZE OF THE REACTION VESSEL IS DECREASED
NOT SURE B OR C

SOME He IS INJECTED INTO REATION VESSEL
NOT SURE B OR C
 
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The questions you have concern the 3rd and 4th question. Explain why you pick b or c for these questions.
 
i guess the question is does the pressure increase and does that efect the equlibrium
 
Putting more material in the same volume or the same amount of material in a smaller volume changes the concentration of the material... and you know how changing the concentration affects equilibrium.
 

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