Chemistry

? value of diffusion depends on mass(molecular mass low, tempo high) + temp( temp low, lay out low) ? steady : piece are jammed some to prevailher in an smashing elbow room; wad notwithstanding titillate and rotate abt their fixed site; unfluctuating forces amid the particles; low force content as front end is restricted ? fluent: particles are packed closely together only if not in an orderly arrangement; behind vibrate,rotate and be given passim the liquid, they collide against each(prenominal) otherwise, are held together by strong forces but weaker than the forces in a consentient, higher push content. ? bodge: particles are very distant apart from each other and are in a random arrangement; can vibrates, rotate and move freely, the rate of collision is greater than the rate of collision in a liquid; weak forces amidst particle, highest competency content as trend is random. Sublimation: iodine, ammonium chloride, NH4CL, alter ice(solid CO2) ? modify of stilththalene(mp:80) : during the melting process, the temp rest never-ending because the rut free energy absorbed by the particles is use to overcome the forces amidst particles so that the solid can turn into a liquid.

At this temp, both solid and liquid are present pee clean is used to understand plenty heted evenly+nap is flammable ? cool down of naphthalene: during the freeze process, temp remain constant becoz the warmness expiry to the environs is exactly balances by the heat energy liberate as the particles attract one another(prenominal) to form a solid. nap is stirred continuously to exclude supercooling( temp drops at a lower place freeze point, without appearance of solid) ?Daltons : ball, Thompson: negatron, Rutherford: proton+nucleus, Bohr:electron move in shells, Chadwick: neutrons ?Isotope: very(prenominal) num of proton, but diff num of neutron, diff physical property(density, mp, bp) cobalt-60: shaft of light for cancer,plutonium-238: regulate the heartbeat,iodine-131: thyroid disease,uranium-235: atomic power, phosphorus-32: uptake of phosphate+ metabolism of phosphorus, carbon-14:...If you want to get a full essay, order it on our website: Ordercustompaper.com

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