phase changes do not change mass
decrease_in_mass is not change_in_mass. increase_in_mass is change_in_mass. atomic_mass is not mass. increase_in_mass is not change_in_mass. phase is not appearance. decrease_in_mass is change_in_mass. inertial_mass is not mass. freeze is not phase_change. critical_mass is not mass. rest_mass is not mass.