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1. Which of the following graphs represents the variation of the concentration of a particular reactant X, with time for a first- order reaction? Logix14 B Losx14 B 2. For the reaction A+BC+D the rate of the forward reaction is given by, A) Rate = K[A] [6] B) Rate [B] [A] C) Rate = [C] [D] D) Rate = XIC] [D] The rate of a reaction between aqueous solutions of M and N is given by rate Rate = KIM] [Nj. What are the units of K? A) mole dm S¹ B) mole 'dm' S C) mole dm' S' D) mol' dm S¹

1. Which of the following graphs represents the variation of the concentration of a particular reactant X, with time for a first- order reaction? Logix14 B Losx14 B 2. For the reaction A+BC+D the rate of the forward reaction is given by, A) Rate = K[A] [6] B) Rate [B] [A] C) Rate = [C] [D] D) Rate = XIC] [D] The rate of a reaction between aqueous solutions of M and N is given by rate Rate = KIM] [Nj. What are the units of K? A) mole dm S¹ B) mole 'dm' S C) mole dm' S' D) mol' dm S¹

Chemistry
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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The half-life of bismuth -212 is 1 hour. If 12g of bismuth are allowed to decay, what mass of bismuth 212 is left after 3 hours? PAPER ONE: MULTIPLE CHOICE QUESTIONS TYPE ONE QUESTIONS A) 26.5g B) 53g C) 30 D) 19 5. The graph below shows the initial rate of decomposition of Z against different concentrations of Z Questions 1- 51 D'RECTIONS: Each of the follawing questions or nicomplete statements below is followed by four suggested enswers lettered A - D. Select or choose the letters of the best answer to the question or incomplete statement. Which of the following graphs represents the variation of the concentration of a particular reactant X, with time for a first order reaction? (2] Logil4 Which one of the following sets of conclusions is correct? Order with respect to Z Order with respect to Z at low concentraiion of Zat liigh concentration of Z 0. C In a series of separate experiments, the initial rate of a first-order reaction is plotted against the initial concentration of the reaction. Which of the following is the correct graph? 6. For the reaction A+B C+D the rate of the forward reaction is given by A) Rate = K[A] [6] B) Rate = (B] [AJ C) Rate = [C] [D] D) Rate = IC) [D] 2. %3D 3 The rate of a reaction between aqueOus solutions of M and N is given by rate Rate = KIM) IN, What are the units of K? A) mole dm S C) mole dm S' B) mole dm S D) mol' dm St 159 122
Transcribed Image Text:The half-life of bismuth -212 is 1 hour. If 12g of bismuth are allowed to decay, what mass of bismuth 212 is left after 3 hours? PAPER ONE: MULTIPLE CHOICE QUESTIONS TYPE ONE QUESTIONS A) 26.5g B) 53g C) 30 D) 19 5. The graph below shows the initial rate of decomposition of Z against different concentrations of Z Questions 1- 51 D'RECTIONS: Each of the follawing questions or nicomplete statements below is followed by four suggested enswers lettered A - D. Select or choose the letters of the best answer to the question or incomplete statement. Which of the following graphs represents the variation of the concentration of a particular reactant X, with time for a first order reaction? (2] Logil4 Which one of the following sets of conclusions is correct? Order with respect to Z Order with respect to Z at low concentraiion of Zat liigh concentration of Z 0. C In a series of separate experiments, the initial rate of a first-order reaction is plotted against the initial concentration of the reaction. Which of the following is the correct graph? 6. For the reaction A+B C+D the rate of the forward reaction is given by A) Rate = K[A] [6] B) Rate = (B] [AJ C) Rate = [C] [D] D) Rate = IC) [D] 2. %3D 3 The rate of a reaction between aqueOus solutions of M and N is given by rate Rate = KIM) IN, What are the units of K? A) mole dm S C) mole dm S' B) mole dm S D) mol' dm St 159 122
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