Chapter10 Flashcards

0
Q

RP

A

Atoms,molecules, formula units, etc

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1
Q

Molar mass

A

The mass of one mole of an element (g/mol)

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2
Q

Mol

A

6.02x10^23 RPs of a substance

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3
Q

Avagaradro’s number

A

The # of RPs in a mol, 6.02x10^23

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4
Q

Standard Temperature and Pressure

A

0*C 1 atm (atmosphere)

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5
Q

Molar volume

A

22.42, the molar volume of a gas at STP

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6
Q

Percent Composition

A

The relative amt of the elements in a compound

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7
Q

Empirical Formula

A

Gives the lowest whole number ratio of the atoms of the elements in a compound

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8
Q

Molecular formula

A

A chemical formula of a molecular compound that shows the kinds and number of atoms present in a molecule

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9
Q

Unit for mass

A

g

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10
Q

Unit for volume

A

L

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11
Q

Molar mass (how to calculate)

A

Suk of the atomic mass(es)

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12
Q

g to mols

And vice versa

A

Mass/1 x 1mol/molar mass

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13
Q

RP to mols

And vice versa

A

RP/1 x 1mol/6.02x10^23

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14
Q

Volume to mols

And vice versa

A

V/1 x 1mol/22.4L

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15
Q

Percent composition

A

%/atomic mass=#s
#s/smallest #= answers
Make answers reduce to empirical