Newton's law of cooling states that the rate of change in the temperature T(t) of a body is proportional to the difference between the temperature of the medium M(t) and the dT temperature of the body. That is, = K[M(t) – T(t)], where K is a constant. Let K = 0.03 (min)' and the temperature of the medium be constant, M(t) = 290 kelvins. If the body is dt initially at 359 kelvins, use Euler's method withh = 0.1 min to approximate the temperature of the body after (a) 30 minutes and (b) 60 minutes.

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Diatomic Gas

Molecule, is a collection of two or more atoms together (which constitute the smallest observable unit) into a pure material. There are some ways to represent the structure of a molecule. Factor symbols represent atoms in Lewis structures, and dots represent electrons that accompany them. A pair of mutual electrons (covalent bond) may be represented by a single dash. The ball-and-stick model depicts the spatial structure of the atoms better.