Formulas for Exam 3

change in mass = theoretical - actual

mass defect formula

E_nucleus = mc² J/mol

energy of nucleus formula

3 × 10⁸ m/s

value of speed of light (c)

E_nucleus = (binding energy of nucleon)(number of nucleons)

another formula for energy of nucleus

6.022 × 10²³ 1/mol

avogadros number

E_mole = E_nucleus * Avogadro’s number

energy of mole formula

931.5 MeV

1 amu = ____

1.60 × 10^-13 J

1 MeV = ____

N_t = N_o(0.5^t/t_1/2)

radioactive decay formula

1.66 × 10^-27 kg

unless given, 1 amu = _____ kg

change in m = reactants - products

another mass defect formula