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# The rate of a certain chemical reaction is directly

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The rate of a certain chemical reaction is directly [#permalink]  07 May 2006, 09:18
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The rate of a certain chemical reaction is directly proportional to the square of the concetration of chemical A present and inversely proportional to the concetration of chemical B present. If the concetration of chemical B is increased by 100 percent, what is percent change in the concentration of chemical A required to keep the reaction rate unchanged?

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Percent change in the concentration of chemical A required to keep the reaction rate unchanged - sqrt(2) times.
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Zooroopa

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