FORMULAE Formulae must be memorised because no information can be taken in to the examination in your calculator memory. Your calculator must not be programmable. n = number of particles n = m / M NA pH = log10 [H3O+] n = cV – [H3O+] = 10-pH E = V × I × t C.F.= [H3O+] × [OH-] = 10-14 at 25oC (V × I × t) / T = (relative isotopic mass x relative = 4.184 × Ar E m × T abundance) / total relative abundance amount in moles volume in litres n V mass in grams charge in Coulomb m Q mass in grams per mole current in amps M I Avogadro’s Number = 6.023 × 1023 time in s NA t concentration in moles per litre (M) voltage in volts c V
FORMULAE Formulae must be memorised because no information can be taken in to the examination in your calculator memory. Your calculator must not be programmable. n = m / M n = number of particles NA n = cV pH = – log10 [H3O+] E = V × I × t [H3O+] = 10-pH C.F.= (V × I × t) / T [H3O+] × [OH-] = 10-14 at 25oC Ar = (relative isotopic mass x relative abundance) / total relative abundance E = 4.184 × m × T n amount in moles m mass in grams M mass in grams per mole NA Avogadro’s Number = 6.023 × 1023 c concentration in moles per litre (M) V volume in litres Q charge in Coulomb I current in amps t time in s V voltage in volts
2018-YR11-CHEM-HANDBOOK.docx