Chapter 15 equilibrium Flashcards

1
Q

the expression for the equilibrium constant

A

product of products raised to molar coefficients/ product of reactants raised to molar coefficients

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2
Q

are solids and liquids involved in the equation for the equilibrium constant

A

No the concentration does not work with pure substances

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3
Q

if Kc is less than 1

A

reactants are favored

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4
Q

if Kc is greater than 1

A

products are favored

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5
Q

Does the favoring of the reactants or products depend on the initial concentrations of the reactants and products given KA?

A

NO

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6
Q

how to calculate the M of a substance given the M of the other substances and Ka

A

solve for M with the expression for the equilibrium constant

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7
Q

Predict whether the reaction will shift left, shift right, or remain unchanged if products is added to the reaction mixture.

A

left

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8
Q

Predict whether the reaction will shift left, shift right, or remain unchanged if products is removed from the reaction mixture.

A

right

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9
Q

Predict whether the reaction will shift left, shift right, or remain unchanged if reactants are added to the reaction mixture.

A

right

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10
Q

Predict whether the reaction will shift left, shift right, or remain unchanged if reactants are removed to the reaction mixture.

A

left

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11
Q

if a reactant or product that is a solid or liquid is either added or removed what happens to equilibriunm

A

nothing

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12
Q

if the equilibrium constant is 1 are products and reactants equal

A

nope, it just means that they are relatively close

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13
Q

when 10^3

A

assume the reaction goes to completion

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14
Q

when 10^-3>Ka

A

assume the reaction doesnt really happen. in your ice table the x is not counted for the reactants. just for the projects

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15
Q

dynamic equilibrium

A

when the concentration of the products and the reactants stop changing

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16
Q

frequency factor is broken into

A

P orientation factor and Z collistion frequency

17
Q

p orientation factor

A

represents the fraction of collisions with propper orientation and energy to reach the act barrier

18
Q

Z collision frequency

A

collisions/ unit time