homework02 - 3. The compound X decomposes in a firstorder...

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Page 1 of 1 Name: _______________________________________________ EDP#: 403410 General Chemistry I ‐ X19B ‐ Spring 2012 – Homework #2 – Due February 6, 2012 1. In the following reaction, the rate of formation for oxygen is 3.6×10 ‐3 mol/L s. What is the rate of decomposition of ozone (4pts)? 2 O 3 (g) →3 O 2 (g) 2. A reaction has the experimental rate equation, Rate = k[A] 3 . How will the rate change if the concentration of A is halved (2pts)? If the concentration of A is quadrupled (2pts)?
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Unformatted text preview: 3. The compound X decomposes in a firstorder reaction to its elemental constituents with a halflife of 30. minutes. If you place 10.0 mg of X in a flask, how long must you wait until only 0.45 mg of X remains (6pts)? 4. If the rate constant of a reaction increases by a factor of 2.6 when the temperature rises from 27C to 39C, what is the activation energy of the reaction (6pts)?...
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