Amount Of Substance
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What does amount of substance mean?
The quantity whose unit is the mole
What does mole mean?
Amount of any substance containing as many particles as there carbon atoms in exactly 12g of carbon-12 isotope
What does the Avogadro constant mean?
The number of atoms of the carbon-12 isotope (6.02 * 10 to the 23)
What does molar mass mean?
Mass per mole of a substance measured by grams per mole
What does molar volume mean?
Volume per mole of a gas measured by mole per decimetre cubed
What does empirical formula mean?
Simplest whole number ratio of atoms of each element present in a compound
What does molecular formula mean?
Actual number of atoms of each element in a molecule
What does hydrated mean?
Refers to a crystalline compound containing water molecules
What does anhydrous mean?
Refers to a substance that contains no water molecules
What does water of crystallisation mean?
Refers to water molecules that form an essential part of the crystalline structure of a compound
What does concentration mean?
Amount of solute in moles dissolved in one decimetre cubed of solution
What is the ideal gas equation?
pV = nRT
What is p?
Pressure
What is P measured in?
Pa
How do you convert KPa to Pa?
Multiply by 1000
What is V?
Volume
What is V measured in?
Metres cubed
How do you convert from centimetre cubed to metre cubed?
Divide by 1,000,000
How do you convert from decimetre cubed to metre cubed?
Divide by 1,000
What is n?
Number of moles
What is R?
The ideal gas constant
What is T?
Temperature
How do you convert from degrees Celsius to kelvin?
+ 273k
What is temperature measured in?
Kelvin