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Chemistry

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Alvah Stokes

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Cards in this guide (8)
Why is it important to write a balanced reaction before determining the equilibrium expression and equilibrium concentrations

both a and b

What is the difference between normal reaction and abnormal reaction

Normal reaction happens when the reaction is normal. Abnormal reaction happens when the reaction is abnormal.

Which describes two phases in dynamic equilibrium

the total number of molecules in each phase stays constant

What is KB for cn- aq h2o l hcn aq oh-aq

Kb=[HCn][OH-]

[CN-]

How would a drop in pressure affect a gaseous system at equillibrium

the reaction would shift to favor the side with the most moles of gas

What is Kb for CH3NH2(aq) H2O(l) CH3NH3 (aq) OH-(aq)

Kb = [CH3NH3 +] [OH-] / [CH3NH2]

How does the rate law show how concentration changes change the rate of reaction

as concentration increase the faster the rate of reaction and vice versa

What is Keq for the reaction N2 plus 3H2 2NH3 if the equilibruim concentractions are NH3 3 M N2 1 M and H2 2 M.

Keq = 1.125

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