66. Atmospheric pollution is gradually destroying the p

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66. Atmospheric pollution is gradually destroying the protective ozone layer of the Earth. The ozone layer threaten entering the atmosphere fluorinated and chlorinated hydrocarbons - CFCs, for example CCl3F, CCl2F2, CClF3. They are chemically stable in the lower atmosphere, but in the stratosphere under the influence of ultraviolet radiation from the sun destroyed releasing atomic chlorine which reacts with ozone. Calculate the rate of this reaction proceeds with the formation of chlorine monoxide, oxygen and, if 15 seconds after initiation of the molar concentration of ozone was 0.3 mol / l, and after 35 seconds (from the start of the reaction) was 0.15 mol / l.

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Detailed solution. Decorated in Microsoft Word 2003. (Target decided to use formula editor)

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