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3RD QUARTER EXAM > 3rd quarter exam (Gen Chem II) > Flashcards

3rd quarter exam (Gen Chem II) Flashcards

1
Q

solid in density

A

high

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2
Q

liquid in density

A

high

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3
Q

gas in density

A

low

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4
Q

anything that is made of particles that takes up space

A

Matter

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5
Q

trait that is observed that does not change chemical composition

A

Physical Property

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6
Q

physical property that depends on the amount of matter present

A

Extensive Property

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7
Q

physical property that does not depend on the amount of matter present

A

Intensive Property

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8
Q

amount of matter present in an object

A

Mass

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9
Q

amount of space an object occupies

A

Volume

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10
Q

how heavy a substance is

A

Density

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11
Q

Bending

A

Malleability

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12
Q

force that causes molecules on the surface of a liquid to be pushed together and form a layer

A

Surface tension

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13
Q

Examples of surface tension

A

Basilik lizard, Jesus Lizard, Water strider, Fish spider

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14
Q

Resistance of liquid to flow

A

Viscosity

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15
Q

Pressure of the vapor resulting from evaporation

A

Vapor Pressure

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16
Q

temperature in which the vapor pressure of the liquid is equal to the atmospheric pressure

A

Boiling point

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17
Q

Amount of heat needed to vaporise

A

Molar heat of Vaporization

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18
Q

interaction between atoms and molecules, these are attractive forces

A

inter molecular forces

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19
Q

IMF that has hydrogen

A

hydrogen bonding

20
Q

IMF that polar molecules interact that two charges are separated

A

Dipole-dipole

21
Q

IMF that ionic molecules and polar molecules interact

A

Ionic Bonding

22
Q

IMF that non polar molecules interact

A

London forces

23
Q

Random

A

Amorphous Solid

24
Q

Arranged in regular

A

Crystalline Solid

25
Q

A homogeneous mixture of two or more substances.

A

Solution

26
Q

uniform, even distribution

A

Homogeneous

27
Q

Composition of Solution

A

Solute dissolves in Solvent

28
Q

Properties of Solutions

A
  1. Do not style upon long standing 2.Homogeneous
  2. Pass through filters
  3. Diffusible
  4. Clear even when colored
  5. Can undergo osmosis
  6. Variable composition
29
Q

Factors affecting rate and formation of solution

A

Temperature, Particle Size, Rate of Stirring

30
Q

Factors affecting solubility

A

Nature of Solid and Liquid, Temperature, Pressure

31
Q

Property of a substance that allows it to form uniform mixtures

A

Solubility

32
Q

amount of solute dissolved in a given amount of solution.

A

Concentration

33
Q

Mass Percent

A

Mass %= (mass of the solute/mass of solution) x 100%

34
Q

Volume Percent

A

Volume % = (volume of the solute/ volume of the solution)x 100%

35
Q

Mole Fraction (X)

A

Xa= na/nt

36
Q

Molarity (M)

A

M= (mol of solute/ L of solution)

37
Q

Molality (m)

A

m= (mol solute / kg solvent)

38
Q

Parts per Million

A

ppm= (g solute/ g solution)x 10^6

39
Q

Process of using chemical equations to calculate relative masses and moles of reactants and products.

A

Stoichiometry

40
Q

The physical property of a solution depends only on the number (concentration) of solute particles (molecules or ions) present in a given quantity of solvent and not on their chemical identities.

A

Colligative property

41
Q

vapor pressure of a component in a solution depends on its mole fraction times the vapor pressure exerted by the pure component.

A

Raoult’s law

42
Q

movement of a solvent through a semipermeable membrane from a region of lower solute concentration (higher solvent concentration) to a region of higher solute concentration (lower solvent concentration).

A

Osmosis

43
Q

solution with an osmotic pressure lower than that in cells. Causes cells to hemolysis (burst).

A

Hypotonic solution

44
Q

solution with an osmotic pressure higher than that in cells. Causes cells to crenate (shrink)

A

Hypertonic solution

45
Q

solution with an osmotic pressure equal the the cells. Has no effect on the cell’s size.

A

Isotonic solution

46
Q

Osmolarity

A

molarity x I

3RD QUARTER EXAM (6 decks)

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