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acids + bases

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Total cards: 24•Content version: v4•Public deck•Updated: 8/1/2026

Card preview (24)

#1
Front (Question)

Ka =

Back (Answer)

[H+] [A-] / [HA]

#2
Front (Question)

Kc =

Back (Answer)

[products] / [reactants]

#3
Front (Question)

Gibbs free energy (Δ G) =

Back (Answer)

= Δ H − T Δ S

#4
Front (Question)

pH =

Back (Answer)

-log[H+]

#5
Front (Question)

[H+] =

Back (Answer)

10 -pH

#6
Front (Question)

ionic product of water (KW) at 298K

Back (Answer)

1x10-14 mol2dm-6

#7
Front (Question)

why is [H+] larger at higher temps (for water)

Back (Answer)

because temp increase favours endothermic reaction, shifting equilibrium to right ∴ KW increases ∴ [H+] increases

#8
Front (Question)

how can you tell if something is a catalyst

Back (Answer)

it is expressed in the rate equation but not in the stoichiometric equation

#9
Front (Question)

assumptions made about weak acids (2)

Back (Answer)

1) [HA] at equ. ≈ [HA] initial 2) [A-] ≈ [H+] because [H+] from water is negligable

#10
Front (Question)

eq. ionic product of water (Kw)

Back (Answer)

[H+][OH-]

#11
Front (Question)

eq. pH of water

Back (Answer)

[H+] = √Kw

#12
Front (Question)

eq. pH of diluted strong acid

Back (Answer)

[H+] x (old vol / new vol) —> -log(ans)

#13
Front (Question)

effect of temperature on pH of water

Back (Answer)

temp increase = equilibrium shift to the right [H+] and [OH-] INCREASE Kw increase, pH decrease

#14
Front (Question)

effect of temp on neutrality of water

Back (Answer)

no effect, as [H+] = {OH-] still

#15
Front (Question)

eq. for calculating pH of a strong base

Back (Answer)

[H+] = Kw/ [OH-]

#16
Front (Question)

eq. Ka of weak acids in aqueous solution with nothing else added

Back (Answer)

Ka = [H+]² / [HA]

#17
Front (Question)

bronsted-lowrey acid

Back (Answer)

a proton donor

#18
Front (Question)

bronsted-lowrey base

Back (Answer)

a proton acceptor

#19
Front (Question)

monobasic acid and eg.

Back (Answer)

an acid that releases 1 H+ ion per molecule eg. = HCl

#20
Front (Question)

dibasic acid and eg.

Back (Answer)

an acid which releases 2 H+ ions per molecules eg. H2SO4

#21
Front (Question)

acid + metal =

Back (Answer)

salt and hydrogen

#22
Front (Question)

acid + carbonate =

Back (Answer)

salt + water + CO2

#23
Front (Question)

acid + base =

Back (Answer)

salt + water

#24
Front (Question)

conjugate acid-base pair

Back (Answer)

2 species which can be converted Ito each other by the transfer of a proton