Chrome-MasteringChemistry: Post Lecture Homework Chapter 14 Secure https://sessi

Question

Chrome-MasteringChemistry: Post Lecture Homework Chapter 14 Secure https://session. masteringchemistry.com/ myct/itemView?offset-next&assignmentProblemlD-94696473; Part A Consider the following data showing the initial rate of a reaction (Aproducts) at several different concentrations of A What is the order of the reaction? Express your answer as an integer A(M) Initial rate (M/s) 0.15 0.009 0.30 0.017 0.60 0.035 You may want to reference (Pages 629- 634) Section 14.3 while completing this problem. Submit Part B This question will be shown after you complete previous question(s). Part C This question will be shown after you complete previous question(s) Provide Feedback Next >

Explanation / Answer

A -------------> products

Rate = k[A]^n

0.009   = K(0.15)^n -------------> 1

0.017   = K(0.3)^n --------------> 2

0.035   = K(0.6)^n ---------------> 3

equation 2 is divide by equation 3

0.017/0.035 = K(0.3)^n/K(0.6)^n

0.5          = (0.3/0.6)^n

(0.5)^1   = (0.2)^n

   n = 1

Rate law

Rate = K[A]^1

order is 1

0.529          = (0.5)^n

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