equations Flashcards

1
Q

moles, mass, mr

A

Moles = mass / mr

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2
Q

moles, number of particles, avogadros number

A

Number of particles = moles * avogadros number

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3
Q

room temperature

A

298K

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4
Q

Room pressure

A

101 kPa

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5
Q

Standard temp

A

237K

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6
Q

Standard pressure

A

100kPa

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7
Q

Molar volume rule

A

at room temp/pressure, 1 mole of gas occupies 24dm^3

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8
Q

Molar volume equation

A

Number of moles = volume (dm^3) /24

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9
Q

Ideal gas equation

A

PV = nRT

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10
Q

In the ideal gas equation what is P?

A

Pressure, Pa

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11
Q

In the ideal gas equation what is V?

A

volume, m^3

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12
Q

In the ideal gas equation what is n?

A

number of moles

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13
Q

In the ideal gas equation what is R?

A

universal gas constant, 8.31

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14
Q

In the ideal gas equation what is T?

A

temperature, K

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15
Q

How do you convert from dm^3 to m^3

A

/1000

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16
Q

How do you convert from cm^3 to m^3

A

/1 000 000

17
Q

How do you convert from degrees Celsius to kelvin

A

+ 273

18
Q

How do you convert from g to mg

A

Multiply by 1000

19
Q

How do u convert from cm^3 to dm^3

A

/ 1 000

20
Q

How do u convert from cm to dm

A

/ 10

21
Q

How do you convert from litres to dm^3

A

One litre = 1dm^3

22
Q

Percentage yield

A

(Actual mass of product) / (theoretical yield)
all multiples by 100

23
Q

atom economy equation

A

(RFM) of desired product / (RFMs of all reactants )

All multiplied by 100

24
Q

moles concentration and volume

A

Moles = concentration * volume