Acid-Base equalibria

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20 Terms

1
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what is a bronsed lowery acid

proton doners, (donate protones to a base)

2
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What are bronsted lower bases

proton acceptors ( accept proton from acids)

3
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what is special about water

it can accept of donate a proton (h+) and is therefor referred to as amphiprotic

4
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for neutral solutions, what is the OH/H3O concentration equal to

1 x 10 ^-7

5
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how do you calculate pH

pH= -log[H3O]

6
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how do you calculate pOH

pOH=-log[OH]

7
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what is kw equal to for solutions at 25 degrees

1 x 10 ^ -14

8
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what is the definition of strong acids

strong acids ionize completely in water

9
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what are examples of strong acids

HClO4, H2SO4, HNO3, HBr, HI

10
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what is the definition of a strong base

disassociation reaction happens completely in water

11
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what are examples of strong bases

LiOH, KOH, Ca(OH)2, Sr(OH)2, Ba(OH)2

12
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what is the definition of a weak acid

partially ionize in aqueous solution and establish an equilibrium (forms an equilibrium)

13
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what is the definition of a weak base

a weak base is one that does not completely disassociate in water ( forms an equilibrium)

14
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how do you calculate % ionization for acids

[H3O]/[HA] x 100

15
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how do you calculate % ionization for bases

[OH]/[BOH] x 100

16
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what is % ionization for strong acids or bases

100%

17
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what is the conjugate base of a weak acid

a weak base

18
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what is a buffer

a buffer is a solution which presents small pH changes when concentrated strong acids or bases are added to it, hs similar concentrations or a weak acid and salt of its conjugate base or similar concentration of a weak base and a slat of its conjugate acid

19
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what happens as the concentration of CO2 in the atmosphere increases

the concentration of aqueous CO2 in natural waters increases (pH decreases)

20
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