2766651
amount of substance
- the mole, n
- the quantity of particles- electron, atoms,
molecules ,ions, formulae...1 mol=
6.023x10^23mol^-1 particles = the number of
atoms in 12g of c-12 isotopes
- the quantity of particles- electron, atoms,
molecules ,ions, formulae...1 mol=
6.023x10^23mol^-1 particles = the number of
atoms in 12g of c-12 isotopes
- Avogadro constant, L
- L= the number of particles in 1 mole =6.023x10^23mol^-1
- L= the number of particles in 1 mole =6.023x10^23mol^-1
- Ar, Mr AND THE MOLE
- 1 mole f an element or compound in g
- equations that relate the 3
- n=m/Mr
- m=nMr
- Mr=m/n
- conversionn tip...... 1cm^3=1/1000
- n=m/Mr
- equations that relate the 3
- 1 mole f an element or compound in g
- empirical formula
- the simplest whole
number ratio of the
atom of each element in
a compound
- calculating EF
- divide % of each element by the Ar to give mole
then then divide all by smallest number and round
up
- divide % of each element by the Ar to give mole
then then divide all by smallest number and round
up
- the simplest whole
number ratio of the
atom of each element in
a compound
- molecular formula
- the actual number of atoms of each element in a
molecule or the number of oles of each type of
atom in 1 mole of the compound
- the actual number of atoms of each element in a
molecule or the number of oles of each type of
atom in 1 mole of the compound
- relating empirical formula
to molecular formula...the
Mr of the molecular
formula is an multiple of
the Mr of the empirical
formula
- ionic equatoins
- balance numbers and charge
- balance numbers and charge
- balance equation
- balance numbers
- balance numbers
- the ideal gas equation
- pV=nRT
- V=nRT/p
- n=pV/RT
- units....p in Pa vim m^3 n in mole t in K r=
a gas constant=273 k=0 degrees and
1cm^3=1x10^-6m63
- V=nRT/p
- property of ideal gas
- no intermolecular forces
- no intermolecular forces
- pV=nRT
- % atom economy
- % atom economy=mass of desired product/total mass of all reactants x100%
- low %= more product needs to be sold to make max profilt
- low %= more product needs to be sold to make max profilt
- % atom economy=mass of desired product/total mass of all reactants x100%
- % yield
- % yield=mass of product/ theoretical max mass of product x 100%
- % yield=mass of product/ theoretical max mass of product x 100%
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