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Gen-chem > lesson 2 > Flashcards

lesson 2 Flashcards

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1
Q

Homogenous mixture made up of atoms, ions or molecules

A

SOLUTIONS

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2
Q

solutions in which water is the solvent

A

Aqueous solutions

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3
Q

solvent = solid, solute = solid

A

solid

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4
Q

solvent = solid, solute =liquid

A

solid

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5
Q

solvent = liquid, solute = liquid

A

liquid

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6
Q

solvent = liquid, solute = gas

A

liquid

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7
Q

solvent = liquid, solute = solid

A

liquid

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8
Q

solvent = gas, solute = gas

A

gas

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9
Q

solvent = gas, solute = solid

A

gas

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10
Q

dissolved medium

A

solute

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11
Q

(dissolving
medium)

A

solvent

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12
Q

lots of solute, in a small amount of solvent

A

concentrated solution

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13
Q

small amount of solute in a large amount of solvent

A

dilute solution

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14
Q

“Like __________ like”

A

Dissolved

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15
Q

Dissolved in water

A

IONIC COMPOUNDS

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16
Q

Dissolved in water

A

POLAR COMPOUNDS

17
Q

Insoluble in water

A

NONPOLAR COMPOUNDS

18
Q

Amount of solute that can dissolve in a given amount of solvent at a
specified temperature to produce a saturated solution

A

SOLUBILITY

19
Q

more solute dissolves

A

unsaturated

20
Q

no more solute dissolves

A

saturated

21
Q

becomes unstable, crystals form

A

super saturated solution

22
Q

Less than or equal to
0.1 g of solute dissolves
in 100 g solvent

A

INSOLUBLE

23
Q

Greater than 0.1 g but
less than 10.0 g dissolves
in 100 g of solvent

A

SLIGHTLY
SOLUBLE

24
Q

Greater than or equal
to 10.0 g dissolves in 100
g of solvent

A

Soluble

25
Q

Solubility increases with a decrease in
temperature, and decreases with an
increase in temperature

A

Gas in Liquid

26
Q

Solubility increases with an increase in
temperature

A

ENDOTHERMIC REACTIONS:

27
Q

Solubility
decreases with an increase in
temperature

A

EXOTHERMIC REACTIONS

28
Q

The greater the surface area, the
greater the interaction between
solute and solvent

A

Surface area

29
Q
  • Increases solubility of solids in
    liquids
A

Stirring

30
Q

WAYS OF EXPRESSING

CONCENTRATION

A
  • Mass Percent
  • Volume Percent
  • Mole Fraction
  • Density
  • Molarity
  • Molality
31
Q

solution formula

A

solute + solvent

32
Q

Mass percent formula

A

mass percent = mass solute over mass of solution x 100 percent

33
Q

Volume percent formula

A

volume percent = volume solute over volume of solution x 100 percent

Gen-chem (2 decks)

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