Equations SL

Question 1

relationship between number of particles, number of moles and Avogadro constant

Answer 1

N= nxL

Question 2

relationship between mass, number of moles and molecular mass

Answer 2

m=nxMr

Question 3

relationship between volume of gas, number of moles, and molar volume

Answer 3

c = n : V

Question 4

relationship between concentration, number of moles and volume

Answer 4

V(gas) = n x 22.4

Question 5

relationship between pressure, volume and temperature in a gas

Answer 5

(pxV) : T = const.

Question 6

calculating amount of heat energy (q) in calorimetry

Answer 6

q = m x c x dT

Question 7

calculating enthalpy from bond enthalpies (reactants and products)

Answer 7

dH = all BE (broken) - all BE (made)

Question 8

relationship between ionic product of water and concentration of hydrogen and hydroxide ions

Answer 8

Kw = [H+] x [OH-]