Gas Law Relationships Gases?in a container exert a?pressure?as the gas molecules are constantly?colliding?with the walls of the container Gas particles exert a pressure by constantly colliding with...
Ideal Gas Equation Kinetic theory of gases The kinetic theory of gases?states that molecules in gases are constantly moving The theory makes the following assumptions: The gas molecules are moving ...
Avogadro's Law Volumes of gases In 1811 the Italian scientist Amedeo?Avogadro?developed a theory about the volume of gases Avogadro’s law?(also called?Avogadro’s hypothesis)?enables the mole ratio ...
Reaction Yields Percentage yield In a lot of reactions, not all reactants react to form products which can be due to several factors: Other reactions take place simultaneously The reaction does not...
Reacting Masses & Limiting Reactants The number of moles of a substance can be found by using the following equation: It is important to be clear about the type of particle you are referring to...
英國(guó)的教育以其超高的學(xué)術(shù)質(zhì)量、一流的教學(xué)水平和優(yōu)質(zhì)的自然環(huán)境享譽(yù)世界，吸引全世界的學(xué)子目光，中國(guó)學(xué)生也不例外。據(jù)英國(guó)《衛(wèi)報(bào)》最新數(shù)據(jù)顯示，中國(guó)已成為英國(guó)最大留學(xué)生生源國(guó)。UCAS最新數(shù)據(jù)顯示，今年申請(qǐng)...
Empirical & Molecular Formulae The?molecular?formula?is the formula that shows the?number?and?type?of each atom in a molecule E.g. the molecular formula of ethanoic acid is C2H4O2 The?empirical...
Moles, Particles & Masses Since atoms are so small, any sensible laboratory quantity of substance must contain a huge number of atoms Such numbers are not convenient to work with, so using?mole...
The Mole The?Avogadro constant?(NA?or?L) is the number of particles equivalent to the relative?atomic?mass?or?molecular mass?of a substance in grams The Avogadro constant applies to atoms, molecule...
