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Chemistry > SCH3U > Flashcards

SCH3U Flashcards

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0
Q

Octane

A

C8H18

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1
Q

Propane

A

C3H8

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2
Q

Butane

A

C4H10

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3
Q

Vinegar (acetic acid)

A

C2H4O2

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4
Q

Baking soda (sodium hydrocarbonate)

A

NaHCO3

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5
Q

Vinegar + baking soda

A

CO2 + H2O + NaC2H3O2

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6
Q

Sulphuric acid

A

H2SO4

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7
Q

Sulphurous acid

A

H2SO3

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8
Q

Chloric acid

A

HClO3

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9
Q

Nitric acid

A

HNO3

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10
Q

Phosphorous acid

A

H3PO3

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11
Q

Concentration (mol/L)

A

C = n / v

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12
Q

Dilution

A

C1V1 = C2V2

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13
Q

pH

A

-log [H*]

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14
Q

Kelvin

A

*C + 273

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15
Q

SATP

A

101.3 kPa
25*C (298 K)
24.8 L/mol

16
Q

Ideal gas law

A

PV = nRT

17
Q

Lewis structures

A

Ionic - electrons move

Covalent - electrons shared

18
Q

Solubility

A

Similar to water
Small size
Polar

19
Q

Empirical formula

A
  1. Percent composition to assume masses
  2. Convert mass to moles
  3. Divide by lowest mole number to get mole ratio
  4. Multiply or round to get whole number
20
Q

Molecular formula

A
  1. Use percent composition and molar mass to calculate masses of each element
  2. Convert mass to moles
  3. Number of moles represent the mole ratio of atoms in the formula
21
Q

Empirical formula chart

A 
Percent composition
Mass (assume 100g)
Moles (n=M/m)
Divide by lowest number of moles
Mole ratio: round or multiply
22
Q

Molecular formula chart

A

Percent composition
Mass (based on molar mass)
Moles (n=M/m)
Mole ratio (round)

23
Q

Hydrochloride acid

A

HCl

24
Q

Concentration of H+ from pH

A

10^(-pH)

Chemistry (1 decks)

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