chemistry test 5a

26 terms by SanFrancisco32 

Ready to study?
Start with Flashcards

Create a new folder

Advertisement Upgrade to remove ads

kw= ____at ___ degress c

H+OH-=10-14, 25

H+ increases then OH-___

decreases

H+ decreases then OH-___

increases

K=

equilibrium constant

Ksp=

solubility product constant

kw=

"ion" product constant for water

in a neutral solition or pure h20=

H+=OH-=10-7

in an acidic solution

H+>OH-

in a basic solution

H+<OH-

in all cases:

H+OH-=10-14 at 25 c

if the ph changes by factor 1,2,3,4

10,100, 1000, 10,000

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

consumes, produces

an equilibrium that ____ some molecules/atoms on the left side shifts to the LEFT and ___ some molecules atoms on the right

produces, consumes

If a chem rxn can occur in either direction they are called___ and indicated by using____

reversible, arrows

A chemical equilibrium is when the rate of the forward reaction= the concentration of all the reactants and products remain____

reverse

A chemical equilibrium the ______ of all reactants and products remain ____

concentration,constant

When a solution becomes ____ the rate of the forward dissolving reaction= the rate of the reverse reaction re-forming the solid

saturated

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:
H2SO4=
HCl=
HNO3=
common weak acid: HC2H3O2 is _____

sulfuric acid, hydrochloric acid, nitric acid, acetic acid

common strong base: NaOH

sodium hydroxide

Please allow access to your computer’s microphone to use Voice Recording.

Having trouble? Click here for help.

We can’t access your microphone!

Click the icon above to update your browser permissions above and try again

Example:

Reload the page to try again!

Reload

Press Cmd-0 to reset your zoom

Press Ctrl-0 to reset your zoom

It looks like your browser might be zoomed in or out. Your browser needs to be zoomed to a normal size to record audio.

Please upgrade Flash or install Chrome
to use Voice Recording.

For more help, see our troubleshooting page.

Your microphone is muted

For help fixing this issue, see this FAQ.

Star this term

You can study starred terms together

NEW! Voice Recording

Create Set