chapter 10 review Flashcards

1
Q

name HCl

A

hydrochloric acid

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2
Q

name H2SO4

A

sulfuric acid

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3
Q

name NaOH

A

sodium hydroxide

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4
Q

in the formula –
NH3 + HNO3 –> NH4 + NO3
identify the acid

A

HNO3

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5
Q

in the formula –
NH3 + HNO3 –> NH4 + NO3
identify the base

A

NH3

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6
Q

in the formula –
NH3 + HNO3 –> NH4 + NO3
identify the conjugate acid

A

NO3

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7
Q

in the formula –
NH3 + HNO3 –> NH4 + NO3
identify the conjugate base

A

NH4

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8
Q

what is the purpose of a buffer system

A

to maintain pH

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9
Q

a good buffer system is a combination of ____ acid and the ____ of its conjugate base

A
  1. weak
  2. salt
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10
Q

what are the properties of acids

A
  1. produce hydrogen ions when they dissolve in H2O
  2. are also electrolytes because they produce H in H2O
  3. have a sour taste
  4. turn blue litmus red
  5. corrode some metals
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11
Q

what are the properties of bases

A
  1. produce hydroxide ions (OH) in H2O
  2. taste bitter/chalky
  3. are also electrolytes b/c they produce hydroxide ions (OH) in water
  4. feel soapy and slippery
  5. turn litmus indicator paper blue and phenolphthalein indicator pink
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12
Q

what does a strong acid do

A

completely ionize in aqueous solutions

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13
Q

what does a weak acid do

A

associates only slightly in water to form a few ions in aqueous solutions

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14
Q

what do strong bases do

A

completely dissociate in water

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15
Q

what does Le Chatelier’s principle state

A

when equilibrium is disturbed, the rate of the forward and reverse reactions change to relieve that stress to reestablish equilibrium

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16
Q

what does increasing the concentration of HF do in a reaction

A

increases the rate of the forward reaction

17
Q

what does increasing the concentration of F do in reaction

A

increases the rate of the reverse reaction

18
Q

what does decreasing the concentration of HF do in a reaction

A

increases the rate of the reverse reaction

19
Q

what is the pH of blood

A

7.40

20
Q

what happens during a neutralization reaction

A

an acid reacts with a base to produce salt and water