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chemistry > acid base > Flashcards

acid base Flashcards

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1
Q

when temp is decreased

A

ph increase and Kw decreases

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2
Q

what are characteristics of acid

A

sour
corrosive
conducts
red
reacts with metals to form H2

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3
Q

characteristics of bases

A

bitter
corrosive
conducts
slippery
blue

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4
Q

acid do what H

A

donate

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5
Q

base does what with H

A

accepts

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6
Q

strong acid and weak acids do what

A

strong fully dissociate and weak from equilibrium

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7
Q

if the strong acid is on the left side of the equilibrium then

A

equilibrium favours products

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8
Q

if the strong acid is on the right side of the equilibrium then

A

equilibrium favours reactants

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9
Q

strongest acid always

A

react with the strongest base

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10
Q

the strongest acids yield the

A

weakest con bases

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11
Q

what is a ampehprotic

A

a compound that donates and accepts (water)

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12
Q

what is Kw at pure water @25 C

A

1.0 x 10^-14

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13
Q

What is Kw

A

Kw = H + OH

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14
Q

pkw

A

pkw = PH + poH

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15
Q

how to find Ph Poh

A

pH = -log H/OH

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16
Q

what’s a better conductor if two acids have two different conc

A

higher conc the more ions > better conductor

17
Q
  1. Which of the following is true for all Bronsted-Lowry bases?
A

they accept protons

18
Q

The pH of water at 85°C could be:

A

less than 7

19
Q

the strengths of acids decrease, the strengths of their conjugate bases:

A

increase

20
Q

conditions exists as the stoichiometric point?

A

moles of H* from the acid equals the moles of OH’ from the base

21
Q

what is a monoprotic acid

A

a acid containing one ionizable hydrogen

22
Q

what is a Brönsted-Lowry base

A

A weak Brönsted-Lowry base is a proton acceptor

23
Q

what is a strong Brönsted- low stead acid

A

A srong Brönsted-Lowry acid is a proton donor

24
Q

as temp
increases ph does what

A

decrease

chemistry (7 decks)

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