Pressure was exerted with a piston on molten naphthalene at 95 °c. the vapour pressure of naphthalene when the applied pressure is 1.0 bar is 2.0 kpa. what is its vapour pressure when the pressure on the liquid is 15 mpa? the mass density of naphthalene at this temperature is 1.16 g cm−3

Daughter element the new element produced along with a decay particle in a nuclear transmutation 2. half-life the substance that decays in a nuclear transmutation 3. parent element the change of one chemical element into another by nuclear decay or radioactive bombardment 4. transmutation the time required for the decay of one-half of the atoms in a sample of radioactive material