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The energy produced when 1kg of a substance is fully converted into energy is given by Einstein's famous equation E=mc^2, where E is the energy produced, m is the mass of the substance (1kg in this case), and c is the speed of light. This equation shows that a large amount of energy can be generated from a small amount of mass.
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What two factors determine an object's gravitational potential enetgy?
Gravitational potential energy = mgh, where m is mass, g is the acceleration due to gravity, and h is the height above earth's surface. For objects far away from the surface, GPE = GMm/r, where G is a constant, M is the mass of one body, m is the mass of the other, and r is the distance between their centers of mass.
Why some molecules that are exceptions to the octet rule exhibit paramagtism?
moloecules that do not follow the octet rule will seek to have more than a full octet. The reason why some of these compounds exhibit paramagnitisim is due to the intrinsic nature of paramagnatisim. Substances that have one unpaired electron are paramagnetic and those with no unpaired electrons are diamagnetic. So a substance with 9 electrons is likely to be paramagnetic and those with even numbers are likely to be diamagnetic. To tell if a compound is dia or para magnetic it is advisable to draw its structure and count the electrons and then place the electrons into a crystal field stabilisation enetgy diagram(C.F.S.E.) following the rules for the ligands(high/low spin, separation energy, spectrochemical series) this will give you the C.F.S.E. in bhor magnatons and if the molecule is diamagnetic or paramagnetic.
