Equations and Prefixes Flashcards

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1
Q

Microscope magnification

A

Magnification of Objective lens x Magnification of eyepiece lens

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2
Q

Magnification

A

Size of image / Size of object

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3
Q

Neutrons

A

Atomic mass - Atomic number

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4
Q

Protons

A

Atomic number

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5
Q

Electrons in an atom

A

Atomic number

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6
Q

Relative atomic mass

A

(% isotope 1 x mass + % isotope 2 x mass) / 100

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7
Q

Relative formula mass

A

sum of mass of all atoms in a compound

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8
Q

Moles

A

Mass / Relative formula mass

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9
Q

Concentration (mass)

A

mass / volume

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10
Q

Concentration (moles)

A

moles / volume

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11
Q

Change in energy

A

(Bond energy of products) - (Bond energy of reactants)

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12
Q

Rate of reaction

A

Change in quantity / time

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13
Q

Formula of an alkane

A

CnH2n+2

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14
Q

Formula of an alkene

A

CnH2n

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15
Q

Rf

A

Distance moved by substance / Distance moved by solvent

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16
Q

giga

A

10^9

17
Q

mega

A

10^6

18
Q

milli

A

10^-3

19
Q

micro

A

10^-6

20
Q

nano

A

10^-9