chemistry paper 1: physical
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11 Terms
1
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acids are…
proton donors
2
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bases are…
proton acceptors
3
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what is the bronsted-lowry theory?
that acids are proton donors and bases are proton acceptors
4
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strong acids and bases…
ionise completely in water.
5
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what is the general equation for a strong acid ionising in water?
HX → H+ + X-
6
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what is the general equation for a weak acid ionising in water?
HX (reversible arrow) H+ + X-
7
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how do you calculate pH?
-log[H+]
8
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how to calculate [H+]
10^-pH
9
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how many decimal places do you give pH to?
2 decimal places
10
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what does monoprotic acid mean?
acid that releases one H+ ion per molecule
11
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what does diprotic acid mean?
acid that releases two H+ ions per moluecule
Note 
Flashcards (47)