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Anatomy and Physiology > Chem Test 6 > Flashcards

Chem Test 6 Flashcards

1
Q

Solution

A

Homogeneous mixture of two or more substances

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2
Q

Solute

A

component of a solution present in lesser quantity

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3
Q

Solvent

A

component of solution present in greatest quantity

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4
Q

Aqueous Solution

A

solvent is water

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5
Q

Most common example of solution formation

A

dissolution of a solid in a liquid

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6
Q

Air

A

Solution

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7
Q

Allows

A

Solution

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8
Q

Electrolytes

A

formed from solutes that are soluble ionic compounds

Compounds dissociate in solution to produce ions that behave as charge carriers

Good Conductors of Electricity

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9
Q

Non Electrolytes

A

formed from nondissociating molecular solutes (non electrolytes) and these solutions are non conductiong

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10
Q

True Solution

A

homogeneous mizture with uniform properties through out

Solute cannot be isolated from solution via filtration

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11
Q

Volumes of Solvents and Solutes are not

A

additive

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12
Q

Volume of Solvents and Solute are determined by

A

the way molecules fit together

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13
Q

Only way to determine the identity of all substance in a liquid to distinguid between pure substance and a solution

A

Chemical Analysis

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14
Q

Pure Substance

A

Has 1 component

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15
Q

True Solution

A

Contain more than 1 substance, with the tiny particles homogeneously intermingled.

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16
Q

Colloidal Suspension

A

Consist of solute particles distributed throughout a solvent

distribution is not completely homogeneous, due to size of colloidal particles

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17
Q

Colloid Particle Size

A

1 nm - 200 nm

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18
Q

Solution Particle Size

A

Smaller than 1 nm

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19
Q

Precipitates Particle Size

A

Greater than 200 nm

20
Q

To the naked eye colloidal suspension and a true solution appear

21
Q

Colloid particles are large enough to

A

scatter light, liquid appears hazy

22
Q

Suspension

A

heterogeneous mixture that contains particles much larger than a colloidal suspension, over time these particles may settle

23
Q

Polar Solutes are soluble in

A

Polar Solvents

24
Q

Nonpolar solutes are soluble in

A

Nonpolar solvents

25
Q

Degree of Solubility

A

how much solute can dissolve in a given volume of solvent is a quantitate measure of solubility

26
Q

Magnitude of difference between polarity of solute and solvent

A

greater then difference the less soluble the solute

27
Q

Temperature

A

Increase in Temperature Increases Solubility

28
Q

Pressure

A

Little effect on solubility of solids and liquids

the solubility of a gas in liquid is directly proportional to the applied pressure

29
Q

Saturated Solution

A

When a solution contains all the solute that can be dissolved at a particular temperature

30
Q

Precipitate

A

solid in contact with the solution

31
Q

super saturated solution

A

on cooling the excess soloute may remain in the solution for a time

very unstable

32
Q

Dynamic Equilibrium

A

The rate of dissolution and precipitation are equal

33
Q

Henry’s Law

A

the number of moles of a gas dissolved in a liquid at a given temperature is proportional to the partical pressure of the gas.

gas solubility is directly proportional to the pressure of that gas in the atmosphere that is in contact with the liquid.

34
Q

Gases are most soluble at what temperature?

35
Q

Respiration Depends on

A

rapid and efficient exchanged of oxygen and carbon dioxide between the atmosphere and the blood

36
Q

Alveoli

A

where respiration takes place in lungs

Air Sacs

37
Q

Concentration

A

the amount of solute dissolved in a given amount of solution

38
Q

Concentration =

A

amount of solute (g of solute)
_________________________
Amount of Solution (mL of Solution)

39
Q

% Concentration =

AKA MASS VOLUME PERCENT

A

g of solute
____________ X 100
mL of Solution

40
Q

Mass Mass percent is move useful with

A

Mixture of Solids

41
Q

Mass Mass % =

A

g Solute
_________ X 100
g Solution

42
Q

PPT =

Percent Per Thousand

A

g solute
_______ X1000
g Solution

43
Q

PPM =

Parts Per Million

A

G solute
_________ X1,000,000
g solution

44
Q

Molarity

A

Number of mol of solute per L of solution

45
Q

M =

A

mol solute
__________
L Solution

Anatomy and Physiology (7 decks)

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