Equations Flashcards
(11 cards)
Percentage error=
Precision of instrument used/ measurement made X100
Average relative atomic mass=
(Relative abundance x isotopic mass)+(relative abundance x isotopic mass)…./100
Speed of light, c, ms-1=
Wavelength, lambda, m X frequency, mu, s-1
Energy of Photon, E, J=
Planck constant, h X frequency, mu, s-1
Percentage yield=
Experimental yield/theoretical yield X100
Amount of moles, n , mol=
Mass, m, g/molar mass, M, gmol-1
Concentration, c, gdm-3=
Concentration, c, moldm-3 X molar mass gmol-1
Concentration, c, moldm-3=
Amount, n, mol/volume, v, dm3
What is the ideal gas equation?
pressure,Pa X volume,m3 = amount of gas X gas constant (8.31) X temperature,K
Molar volume,=
volume, dm3 / moles
Rate of reaction =
Change in property/ time taken