Physics wk3 Flashcards

1
Q

When a system in a state of dynamic equilibrium is disturbed, it will react to re-establish the equilibrium condition is what principle?

A

Le chatelier’s principle

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2
Q

a state of equilibrium is when there is

A

balance between the reactants and products

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3
Q

Thermodynamics defines

A

state of equilibrium

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4
Q

As K increases, the reaction tends to increasingly favor the

A

products

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5
Q

as K decreases the reaction tends to increasingly favor

A

starting materials

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6
Q

if you ADD products, the equilibrium will shift toward

A

reactants

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7
Q

if you REMOVE products, the equilibrium will shift towards

A

products

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8
Q

when an acid donates a proton, it is converted into its

A

conjugate base

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9
Q

when a base accepts a proton, it is converted into its

A

conjugate acid

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10
Q

behaves as either an acid or a base

A

amphoteric species

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11
Q

the stronger the acid, the _______ the conjugate base

A

weaker

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12
Q

the weaker the acid, the _______ the conjugate base

A

stronger

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13
Q

a stronger acid is more determined to give

A

its proton to some base

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14
Q

a stronger base is more determined to

A

take a proton from some acid

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15
Q

T/F weak acids do not ionize 100% in water

A

true

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16
Q

when the concentration of a weak acid and its conjugate base are equal, the pH is equal to the

A

pKa

17
Q

soda lime can absorb

A

23L of CO2 for every 100 grams of absorbant

18
Q

optimal size of soda lime pebbles

A

2.5mm or 4-8 screen mesh

19
Q

soda lime pack and change

A

loose and before machine check

20
Q

what causes pH sensitivity dye changes

A

colbarnic acid

21
Q

what law is pulse oximetry based on

A

Beer Lambert Law

22
Q

wave length of red light pulse ox

A

660nm

23
Q

wave lenght of infrared light pulse ox

A

940nm

24
Q

how does pulse ox work

A

changes in absorption of light through pulse of vascular bed, log equation, predicts oxygen saturation

25
Q

If salt comes first ex sodium drug or magnesium drug, it is acid or base?

A

Weak acid

26
Q

If the salt comes second ex “drug” chloride or “drug” sulfate it’s an acid or base?

A

Weak base

27
Q

Density of water

A

1g/mL