Assertion: decay's energy | /r/HasProperty | negative
Facets:
value: always
type: TEMPORAL
value: in these cases
type: TEMPORAL
value: according to thermodynamics
type: OTHER
Source sentences:
text: Nuclear binding energy can also apply to situations when the nucleus splits into fragments composed of more than one nucleon; in these cases, the binding energies for the fragments, as compared to the whole, may be either positive or negative, depending on where the parent nucleus and the daughter fragments fall on the nuclear binding energy curve.
text: The binding energy of nuclei is always a positive number, since all nuclei require net energy to separate them into individual protons and neutrons.
text: Nuclear binding energy can also apply to situations when the nucleus splits into fragments composed of more than one nucleon; in these cases, the binding energies for the fragments, as compared to the whole, may be either positive or negative, depending on where the parent nucleus and the daughter fragments fall on the nuclear binding energy curve.
text: However, in heavy nuclei the energy available from forming an alpha particle is enough to make alpha-decay energetically possible - provided the alpha can get far enough from the nucleus to have positive total energy.
text: Theoretically, any nucleus with Z > 40 for which the released energy (Q value) is a positive quantity, can be a cluster-emitter.
text: The energy released is negative, we have to add energy to make this reaction possible.
text: The free energy of any spontaneous reaction must be negative according to thermodynamics (ΔG < 0), and ΔG is essentially equal to the energy change ΔE of nuclear reactions because ΔE is so massive.
text: The energy of the nucleus is negative with regard to the energy of the particles pulled apart to infinite distance (just like the gravitational energy of planets of the solar system), because energy must be utilized to split a nucleus into its individual protons and neutrons.
text: The energy released is negative, we have to add energy to make this reaction possible.
text: The binding energy is always a positive number, as we need to spend energy in moving these nucleons, attracted to each other by the strong nuclear force, away from each other.