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A stream of air moves with a speed w. Assume that a mass m of air is stopped adiabatically by an obstacle.
(a) Prove that the rise in temperature of this mass of air is given by
ΔT = w2M/5R,
where M is the molar mass of air.
(b) Calculate ?T when w = 600 miles/h.
(c) Apply the equation in part (a) to a meteor moving through a stationary atmosphere at a speed of 20 miles/so What would happen?
Draw a 4-5 repeat unit segment for each of the polymers - Based upon the Zieglar-Natta mechanism discussed in class, suggest explanations for each of the observations.
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Which of the following would be expected to have the lowest pH?
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What would happen if the buret washed and rinsed properly but not conditioned with sodium hydroxide solution, prior to standardizing the sodium hydroxide solution?
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