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Chapter 13 - Chapter 13 Chemical Kinetics 1 Which one of...

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Page 235 Chapter 13: Chemical Kinetics 1. Which one of the following units would not be an acceptable way to express reaction rate? A) M/s B) M min –1 C) L mol –1 s –1 D) mol L –1 s –1 E) mmHg/min Ans: C Category: Easy Section: 13.1 2. Chlorine dioxide reacts in basic water to form chlorite and chlorate according to the following chemical equation: 2ClO 2 (aq) + 2OH (aq) ClO 2 (aq) + ClO 3 (aq) + H 2 O(l) Under a certain set of conditions, the initial rate of disappearance of chlorine dioxide was determined to be 2.30 x 10 –1 M/s. What is the initial rate of appearance of chlorite ion under thos same conditions? 3. For the reaction BrO 3 + 5Br + 6H + 3Br 2 + 3H 2 O at a particular time, – [BrO 3 ]/ t = 1.5 × 10 –2 M/s. What is – [Br ]/ t at the same instant? 4. For the following reaction, P(C 6 H 14 )/ t was found to be –6.2 × 10 –3 atm/s. C 6 H 14 (g) C 6 H 6 (g) + 4H 2 (g) Determine P(H 2 )/ t for this reaction at the same time. 5. For the reaction C 6 H 14 (g) C 6 H 6 (g) + 4H 2 (g), P(H 2 )/ t was found to be 2.5 × 10 –2 atm/s, where P(H 2 ) is the change in pressure of hydrogen. Determine P(C 6 H 14 )/ t for this reaction at the same time. A) 2.5 × 10 –2 atm/s D) 0.10 atm/s B) –6.2 × 10 –3 atm/s E) 6.2 × 10 –3 atm/s C) –2.5 × 10 –2 atm/s Ans: B Category: Medium Section: 13.1
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