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a ___ solution resists a change in its ph when an ______ or a ____is added into to
buffered, acid, base
"Le chateliers principle" when a change is imposed on a system at equilibrium, the position of the equilibrium ___ in a ____ that ____ the effect of that change
shifts, direction, reduces
an equilibrium that ____ some molecules/atoms on the left side shifts to the RIGHT and ___ some molecules atoms on the right
an equilibrium that ____ some molecules/atoms on the left side shifts to the LEFT and ___ some molecules atoms on the right
If a chem rxn can occur in either direction they are called___ and indicated by using____
A chemical equilibrium is when the rate of the forward reaction= the concentration of all the reactants and products remain____
When a solution becomes ____ the rate of the forward dissolving reaction= the rate of the reverse reaction re-forming the solid
The concentration of ___ and liquids don't change so they ____included in the equilibrium expression
solids, are not
A value of k _____ than _____ means that at equilibrium, the reaction system will consist mostly of____or the equilibrium lies to the ___ _______value of k means that at equilibrium, the reaction system will consist mostly of ___or the equilibrium lies to the _____
much larger, 1, products, right, a very small, reactants, left
to determine the # of significant figures when calculating ___ or ____ you count _____ in the ____ or ____ number
logs, anti logs,decimal places, pH,pOH
when the volume is decreased on a system @ equilibrium, the position of the equilibrium ___ in a direction the ____ the # of ___ molecules so the space between each ___molecule becomes____
shifts, reduces, gas, gas, larger
when the volume is increased on a system @ equilibrium, the position of the equilibrium ___ in a direction the ____ the # of ___ molecules so the space between each ___molecule becomes____
shifts, increases, gas, gas, less
Common strong acids:
common weak acid: HC2H3O2 is _____
sulfuric acid, hydrochloric acid, nitric acid, acetic acid
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