Chap 16 practice problems

# Chap 16 practice problems - EXAM PRACTIVE QUESTIONS NOTE...

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EXAM PRACTIVE QUESTIONS NOTE : Questions 1-6 are on Test 2. Questions 7-12 are on Test 3. Chapter 16 1. The gas phase reaction A + B C has an experimentally determined rate expression that follows the relationship rate = k [A] 2 . What is the reaction order of B? 2. Which of the following reactions would you predict to occur at the faster rate? I. Ag + (aq) + Cl - (aq) AgCl (s) II. CH 4(g) + O 2(g) CO 2(g) + H 2 O (g) 3. The gas phase reaction A + B C has an experimentally determined rate expression that follows the relationship rate = k [A] 2 [B]. If the concentration of A is tripled and the concentration of B is doubled, the reaction rate would be increased by a factor of ____________. 4. Determine the reaction rate-law expression for the reaction below. 2 A + B 2 + C A 2 B + BC Trial Initial [A] Initial [B 2 ] Initial [C] Initial Rate of Formation of BC 1 0.20 M 0.20 M 0.20 M 2.4 × 10 -6 M min -1 2 0.40 M 0.30 M 0.20 M 9.6 × 10 -6 M min -1 3 0.20 M 0.30 M 0.20 M 2.4 × 10 -6 M min -1 4 0.20 M 0.40 M 0.40 M 4.8 × 10 -6 M min -1 5. Calculate the rate constant, k , for the reaction described in Question 4.

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