unit c - topic two Flashcards

1
Q

common uses of an acid

A

wart removal, enhance food flavor

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2
Q

common uses of an base

A

relieve indigestion (acidic stomach)

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3
Q

(naming acids) acids in pure form

A

are named like an ionic compound

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4
Q

(naming acids) acids in colution

A

given an acid name

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5
Q

hydrogen ____ ide —>

A

hydro_____ic acid

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6
Q

hydrogen _____ ate —->

A

______ ic acid

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7
Q

hydrogen _____ ite —->

A

____ ous acid

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8
Q

acids

A

neutralizes (partially) a base

  • colorless
  • blue to red
  • electrolyte
  • reacts with reactive metals, to create hydrogen
  • tastes sour
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9
Q

base

A

neutrallizes (partially) with acids

  • colorless
  • red turns blue
  • electrolyte
  • feels slippery tastes bitter
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10
Q

neutral solution

A

forms colored and colorless solutions

  • only ionic have color
  • does not affect litmus
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11
Q

electrolytes help to determine

A

strength

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12
Q

sir humphrey davy

A

discovered elements

-just the thought that hydrogen was responsible for acids properties

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13
Q

justin von lieberg

A

acids bare just salts of ionic compounds with hydrogen replacing the metal ion

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14
Q

neutralizes

A

balancing using acids + bases to cancel/balance out

-creates a salt –> cation and anion, with no net charge

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15
Q

what is this an example of

HCL + NaOH –> H2O + NaCl

A

neutralizing (creates a salt and water)

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16
Q

ionize

A

creating a seperation of charge

-can ionize molecular compounds

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17
Q

acids are not ____ but can ____

A

ionic, ionize

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18
Q

salt

A
cation + anion then form neutral charge
              example Na(+)Cl(-)
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19
Q

svante arrehenius

A

provided first useful theoretical defintion
-acids are substances that ionize in water to form hydrogen ions, while
-bases are compounds that dissociate in water to form hydroxide ions
key- interacts with water

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20
Q

paul antoine giguere

A

hydrogen ions assosciate with a water molecule to form a hydronium ion > H3O

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21
Q

arrenhius acid

A

ionizes in water to form a Hydrogen ion and a balancing species

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22
Q

arrenhius base

A

dissosciates in water to form OH ion and a balancing species

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23
Q

balancing species

A

ion that is not hydrogen to balance out the charge

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24
Q

no current is a

A

molecular compound (do not dissosciate)

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25
weak current is a
weak acids + bases
26
strong current is a
strong acid or base
27
dissosciating vs ionzing
- dissosciate is seperation of IONS, who are not literally attached - ionize literal seperation to create charge
28
dissosciating
breakdown of a substance into smaller particles
29
ionizing
process which atoms get a positive or negative charge | -formation of ions
30
revision of arrhenius (acids)
acids are substances that react with water to produce hydronium ions
31
revision of arrhenius (bases)
are substances that react with water to produce hydroxide ions
32
straight arrow in an equation
strong acid/base
33
arrow points either way
weak acid/base
34
buffers
allows pH to stay at a certain point | -acid buffer or basic buffer
35
polyprotic
things have two hydrogens | -there is going to be more of an answer
36
negative ions that still have a hydrogen often can be
BOTH acids + bases | example- HSO3(-)
37
since hydrogen isn't a metal..
we don't ignore it when finding the strength of an acid or base
38
hydrogen gas (charge)
has a net charge of zero
39
how do i know to use hydrogen gas
due to the balance in equation charge - since gas is neutral - other than gas hydrogen is +1
40
metals (charge)
are not going to have a charge
41
strong vs weak means
how capable it can ionize in water
42
weak acids
ionize 50 percent less - weak conductors - mostly molecules
43
strong acids
- ionize 100 percent - strong conductors - only ions
44
lower the pH
more acidic
45
higher the pH
more basic
46
pH at seven
neutral
47
dynamic equilibrium
not all the molecules stay seperat | -equal + opposite
48
percent ioniziation (strong acid)
*HA* is going to turn into *H-* *A+*
49
percent ionization (weak acids)
*HB* is going to turn into *HB* (mostly) (and small amounts of) *H-* *A+*
50
weak acid info
ionize less than 50 percent in water - weakly conductive - contains mainly molecules in solution
51
strong acid info
ionize 100 percent in water - strongly conductive - contains only ions in solution
52
weak bases info
reacts partially with water to form relatively few hydroxide ions
53
strong bases
dissosciate completely | -strong conductors
54
empirical properties of strong acids
pH very low to low - high conductivity - fast reaction rate
55
empirical properties of weak acids
pH low to medium - low conductivity - slow reaction rate
56
empirical properties of strong bases
pH very high to high - strong conductors - fast reaction rate
57
empirical properties of weak bases
pH medium to high - weak conductors - slow reaction rate
58
monoprotic acids
only have a single hydrogen, thus can only loose one hydrogen to produce a hydronium ion -react once with water
59
polyprotic acids
contain more than one hydrogen | -can react multiple times with water, each time giving up a hydrogen
60
monoprotic base
capable of only gaining one hydrogen from water to produce hydroxide ions
61
polyprotic base
bases that are able to react with water more than once | -but all reactions are less than 50%
62
how is the strength of a base determinded
by how well it can accept an H+ from the water it is reacting with (dissosciate) - strong base will react quickly, since it is able to accept the H+ very well - weak base will react slowly, since it is only partially able to accept the H+
63
how is the strenght of an acid determinded
by how well it is able to give away a H+ to produce a hydronium ion (dissosciate) - strong acids react very quickly, since they are able to give away an H+ easily - weak acids react very slowly since they are not able to easily give away a H+