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Chem 14B > Test 1 > Flashcards

Test 1 Flashcards

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1
Q

_________________ chemical reaction in which all chemical equilibria (all products and reactants) are in the same phase

A

homogenous equilibria

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2
Q

_______________ chemical reaction in which the chemical equilibria (all products and reactants) are in different phases

A

heterogenous equilibria

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3
Q

What is not included in equilibrium constant?

A

Solids and solvents

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4
Q

If Q

A

the forward reaction is favored

[R]>[P]

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5
Q

If Q>K then

A

the reverse reaction is favored

[R]

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6
Q

Does K change with concentration

A

no

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7
Q

Adding more reactants will

A

form more product

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8
Q

removing product will

A

form more product

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9
Q

Does changing pressure change K?

A

no

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10
Q

If volume decrease resulting in more moles on left side of equation then

A

the reaction will move right

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11
Q

If volume decrease resulting in more moles on right side of equation then

A

the reaction will move left

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12
Q

Inert gasses effect on K?

A

None

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13
Q

What is the one physical element that affects K?

A

Temperature

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14
Q

DELTA H= negative (-)

A

exothermic

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15
Q

DELTA H=positive (+)

A

endothermic

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16
Q

Exothermic reactions: heating will favor

A

reactant formation

17
Q

Endothermic reactions: heating will favor

A

product formation

18
Q

Endothermic: K will __________________ with temperature increase

A

increase

19
Q

Exothermic: K will __________________ with temperature increase

A

decrease

20
Q

___________________ The reaction between acid and base that results in salt and water

A

neutralization

21
Q

__________________ proton donor and acceptor

A

amphiprotic

22
Q

___________________ proton transfer between two identical molecules

A

autoprotolysis

23
Q

Strong acid= weak conjugate base

A

weak acid= strong conjugate base

24
Q

depronation=

A

acid

25
Q

pronation=

A

base

26
Q

___________________ the Pka the stronger the acid

A

the smaller

27
Q

___________________ the Ka the stronger

A

the larger

28
Q

Pka is the ________________ of Ka

A

inverse

Chem 14B (3 decks)

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