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Chemistry 121 > Week 2 > Flashcards

Week 2 Flashcards

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1
Q

Limiting Reactant

A

The solution that is consumed first in a chemical reaction

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2
Q

Density

A

mass/volume

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3
Q

intensive property

A

independent of quantity of matter

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4
Q

Solute

A

substance present in smaller amounts (what is being dissolved)

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5
Q

Solvent

A

substance present in larger amount (does the dissolving)

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6
Q

Dilute solutions

A

small amount of solute compared to solvent

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7
Q

Concentrated Solutions

A

larger amount of solute compared to solvent

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8
Q

Concentration

A

amount of solute in a given amount of solution

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9
Q

Molarity

A

How concentration is measured

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10
Q

Molarity (formula)

A

M = amount of solute (in moles)/amount of solution (in L)

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11
Q

Density (units)

A

g/mol

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12
Q

Theoretical Yield (formula)

A

expected number of moles formed multiplied by the molar mass

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13
Q

Partial Pressure

A

Partial pressure = total pressure times Xi

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14
Q

Mole Fraction

A

xi = amount of moles/total amount of moles
(xi = ni/ntot

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15
Q

Percent Yield

A

actual yield/theoretical yield times 100%

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Chemistry 121 (6 decks)

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