Asked by please help
                What happens to the concentration of HI(g) when the total pressure on the equilibrium reaction
2HCl(g) + I2(s) <--> 2HI(g) + Cl2(g)
is increased (by compression)?
1. increases
2. Unable to determine
3. decreases
4. remains the same
            
        2HCl(g) + I2(s) <--> 2HI(g) + Cl2(g)
is increased (by compression)?
1. increases
2. Unable to determine
3. decreases
4. remains the same
Answers
                    Answered by
            DrBob222
            
    For an increase in pressure the reaction shifts to the side with the fewer mols. In this reaction the number of mol gas is the same on both side; therefore, there will be no shift due to pressure changes.
    
                    Answered by
            please help
            
    I meant to take out number 4 because it was an incorrect answer, I just don't understand why.
    
                    Answered by
            DrBob222
            
    I just reread the question and my answer is wrong. Give me a second.
    
                    Answered by
            DrBob222
            
    2HCl(g) + I2(s) <--> 2HI(g) + Cl2(g) 
I tried to delete my first response before you read it but I didn't make it so I put in the oops message. Here is the scoop. (I was alerted by another of your questions below.)
My initial statement concerning pressure changes is correct; i.e., an increase in pressure will shift the reaction to the side with the fewer mols gas (NOTE gas). In this reaction, you have 3 mols gas on the right and only two mols gas on the left (note that I2 is a solid and not a gas); therefore, the reaction will shift to the left which will decrease the concn of HI.
    
I tried to delete my first response before you read it but I didn't make it so I put in the oops message. Here is the scoop. (I was alerted by another of your questions below.)
My initial statement concerning pressure changes is correct; i.e., an increase in pressure will shift the reaction to the side with the fewer mols gas (NOTE gas). In this reaction, you have 3 mols gas on the right and only two mols gas on the left (note that I2 is a solid and not a gas); therefore, the reaction will shift to the left which will decrease the concn of HI.
                    Answered by
            Chemistry professor
            
    It decreases
    
                    Answered by
            Anonymous
            
    What happens to the concentration of NO(g) when the total pressure on the equilibrium reaction 3NO2(g) + H2O(l) = 2 HNO3(aq) + NO(g)
    
                    Answered by
            Anonymous
            
    What happens to the concentration of NO(g) when the total pressure on the equilibrium reaction 3NO2(g) + H2O(l) = 2 HNO3(aq) + NO(g) is increased by compression
    
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