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  1. V

    Chemistry 21

    see, look at this site http://www.newton.dep.anl.gov/askasci/chem03/chem03747.htm, at the end u will see that when the pressure is altered the system is nolongerin equilibrium. "Changes in concentrations or pressures result in a perturbation of the equilibrium such that the system is momentarily...
  2. V

    Chemistry 21

    see, look at this site http://www.newton.dep.anl.gov/askasci/chem03/chem03747.htm, at the end u will see that when the pressure is altered the system is no longer in equilibrium. "hanges in concentrations or pressures result in a perturbation of the equilibrium such that the system is...
  3. V

    chemistry practical 32 discussion

    because u multiply it by 10⁶/time taken
  4. V

    chemistry practical 32 discussion

    I have got: FB5 is H2SO4 FB6 is CrO42- FB7 is BaCl2 FB8 is Pb2+ Is that right???????
  5. V

    Chemistry 21

    HO2CCOCO2H
  6. V

    Chemistry 21

    that was really tricky!!!! hardly anyone spotted that :notworthy:
  7. V

    Chemistry 21

    the question stated that if higher pressure is done to the reaction, what is the effect on the equilibrium yield of methanol?Explain your answer. CO2+3H2 <---------> CH3OH + H2O
  8. V

    Chemistry 21

    see, what is equilibrium constant; it is the ratio of amt of products to reactants, you know that Kp does not change; and the question asks about the equilibrium yield so at equilibrium the Kp is unchanged so higher pressure will NOT affect the amt of methanol AT EQUILIBRIUM.;)
  9. V

    Chemistry 21

    see, what is equilibrium constant; it is the ratio of amt of products to reactants, you know that Kp does not change; and the question asks about the equilibrium yield so at equilibrium the Kp is unchanged so higher pressure will NOT affect the amt of methanol AT EQUILIBRIUM.;)
  10. V

    Chemistry 21

    My teacher told me if i use higher pressure there will be no effect to equilibrium yield of methanol as kp or kc is not changed, is that right?
  11. V

    maths p32 answers

    *not
  12. V

    maths p32 answers

    pls note by that all the answers provided might not be 100% correct, (it's the mark scheme), so those answers might contain a sort of errors.
  13. V

    Chemistry 21

    there is also a trick part about the equilibrium yield my friend told me abt the higher pressre what do u think it is?
  14. V

    Chemistry 21

    im rly sorry but hbr is exactly colorless just like hcl
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