Acids and redox summary

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what is the definition of an acid?
Proton donor
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what is a strong acid?
an acid that completely dissociates in solution
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what is a weak acid?
an acid that partially dissociates in solution
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what the definition of a base?
Proton acceptor
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what are the four types of base?
Metal oxides, metal hydroxides, metal carbonates and ammonia
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What is an alkali?
A base that dissolves in water to release 0H- ions
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What are the 3 acid reactions?
1. Acid+Alkali=salt+water 2. Acid+carbonate=salt+water+co2 3. Acid+metal=salt+hydrogen
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What three things are titrations used for?
1.finding concentration of solution 2. identifying unknown chemicals 3. finding the purity of a substance
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what is a standard solution?
A solution of known concentration
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What are the 2 main types of volumetric flask?
1. 100 cm with an uncertainty of 0.2 cm 2. 250 cm with an uncertainty of 0.3 cm
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what are the 5 steps to prepare standard solutions?
Fill in blank
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What is the uncertainty of the 25 cm pipette?
0.06 cm
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What is the uncertainty of the 50 cm burette?
0.1 cm
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What are the 8 steps of acid-base titration?
Fill in blank
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Why do you only use the concordant results for a titration?
you would lose the accuracy of the titre if you used all the results
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What is the equation for concentration?
concentration= moles/volume
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What is the oxidation state of elements and diatomic molecules?
zero
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What is oxidation?
loss of electrons/ when the oxidation number increases
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What is reduction?
gain of electrons/ when the oxidation number decreases
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Other cards in this set

Card 2

Front

what is a strong acid?

Back

an acid that completely dissociates in solution

Card 3

Front

what is a weak acid?

Back

Preview of the front of card 3

Card 4

Front

what the definition of a base?

Back

Preview of the front of card 4

Card 5

Front

what are the four types of base?

Back

Preview of the front of card 5
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