Acids and bases

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What is a Bronsted-Lowry acid?
A proton donor
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What is a Bronsted-Lowry base?
A proton acceptor
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what is a "typical" equation for an Acid-water reaction?
HA(aq) + H2O -----> H3O+(aq) + A-(aq)
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What is the term for a substance that can act as both an acid and base?
Amphoteric
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What is a conjugate acid?
The species that donates the protons
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What is a Conjugate base?
The product formed from the Conjugate acid
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What is the equation for pH?
pH= -log10[H+]
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What is the equation for [H+]?
[h+]= 10-pH
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What is the equation for Kw?
Kw= [H+] [OH-]
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What is the number for Kw at 25 degrees?
1.0 x 10(-14)
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What is the difference between concentration and strength?
Concentration is the measure of an amount in an (AQ), whereas strength is the extent to which the substance has dissociated
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What is the equation for Ka?
Ka= [H+] [OH-]/ [HA]
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What is the equation for pKa?
-log10Ka
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How can you work out H+ from Ka?
[H+] = Sq route (Ka x acid)
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How does Phenophthalein work?
OH- ions react with H+ ions and are removed as water, EQ. shifts to the right to form pink solution.
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what is an appropriate indicator/indicators for strong acid-strong base?
Methyl orange or Phenolphtalein
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What is an appropriate indicator for Strong acid-Weak base?
Methyl orange
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What is an appropriate indicator for Weak acid-Strong base?
Phenolphtalein
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Card 2

Front

What is a Bronsted-Lowry base?

Back

A proton acceptor

Card 3

Front

what is a "typical" equation for an Acid-water reaction?

Back

Preview of the front of card 3

Card 4

Front

What is the term for a substance that can act as both an acid and base?

Back

Preview of the front of card 4

Card 5

Front

What is a conjugate acid?

Back

Preview of the front of card 5
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