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chem 25 > test 3 > Flashcards

test 3 Flashcards

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1
Q

what is a solvent

A

a substance with higher concentration in the mixture

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2
Q

what is a solute

A

a substance with a lesser concentration in the mixture

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3
Q

what is dilution

A

the process to lessen the concentration in a mixture by adding more solvent

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4
Q

a solution in which water is the solvent is called

A

aqueous solution

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5
Q

equation for molarity

A

c=n/v
n= number of moles
v=volume
c=molarity

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6
Q

when balancing an equation you balance

A

the sum of elements on each side

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7
Q

iconic compounds

A

dissolve in water = dissociate

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8
Q

spectator ions

A

ions that are not change in a chemical formula

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9
Q

precipitation reaction

A

dissolved elements react to form one or more solid products

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10
Q

solubility

A

the extent to which a solute may dissolve in a solvent

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11
Q

precipitation reactions occur

A

when an element has exceeded its concentration Ability

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12
Q

soluble

A

substance that has relatively large solubility

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13
Q

insoluble

A

substance that relatively low solubility

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14
Q

acid-base reaction

A

when a hydrogen ion h+ is transferred from one chemical species to another

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15
Q

acid

A

a substance that will dissolve in water to form a h+

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16
Q

base

A

a substance that will dissolve in water to accept h+ or create OH-

17
Q

strong acid

A

completely dissociate in water to yeild H3o+

18
Q

weak acids

A

partially dissociate to yield h3o+

19
Q

strong bases

A

will completely dissociate in water to yield hydroxide OH- ions

20
Q

what group are the most common strong bases found in

A

group 1

21
Q

weak bases

A

a substance that will dissolve in water to generate h+

22
Q

neutralized reaction

A

acid base reaction that produces a salt and water

23
Q

sum of oxidation states=?

A

charge of compund

chem 25 (2 decks)

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