Chemical Reaction Exam: Quiz!

10 Questions | Total Attempts: 49

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Chemical Reaction Exam: Quiz!

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Questions and Answers
  • 1. 
    In reaction A + BC, the rate of reaction can be defined as:
    • A. 

      A decrease of concentration A per time unit

    • B. 

      The multiple concentration of A and B per time unit

    • C. 

      The increase of concentration of A and B per time

    • D. 

      The decrease of concentration C per time unit

    • E. 

      The product of concentration A and B divided by concentration C

  • 2. 
    A reaction is two times faster every 15oC rise in temperature. If the reaction at 30 ° C takes 1 hour, the time required if the reaction is performed at 60 ° C is:
    • A. 

      Two times

    • B. 

      Four time

    • C. 

      Six times

    • D. 

      Eight times

    • E. 

      Ten times

  • 3. 
    Fe (0,2 g) HCl Powder 3 M Powder 2M Bar 3 M Bar 2 M Bar 1 M According to the data above, the fastest reaction occurs in the experiment number:
    • A. 

      1

    • B. 

      2

    • C. 

      3

    • D. 

      4

    • E. 

      5

  • 4. 
    Pay attention to the experimental data form the reaction of A + 3B → 2AB [A] M [B] M V (M/s) 0.01 0.02 0.4 0.02 0.02 0.8 0.03 0.06 10.8 value of total order  reaction is....
    • A. 

      1

    • B. 

      2

    • C. 

      3

    • D. 

      4

    • E. 

      5

  • 5. 
    Pay attention to the experimental data form the reaction of A + 3B → 2AB [A] M [B] M Time (s) 0.02 0.01 32 0.02 0.08 32 0.08 0.04 2 value of contanta rate of reaction are....
    • A. 

      1/8.10-4

    • B. 

      1/32.10-4

    • C. 

      8.10-4

    • D. 

      32.10-4

    • E. 

      1/4.10-4

  • 6. 
    • X + Y → Z
    [X] M [Y] M V (M/s) 0.1 0.1 2,2.10-4 0.2 0.3 19,8.10-4 0.1 0.3 19,8.10-4 Graffic oreder reaction that make for X are…
    • A. 

      3

    • B. 

      2

    • C. 

      1

    • D. 

      0

    • E. 

      1/2

  • 7. 
    Reaction : 2NO + Br2 → 2NOBr. Have order reaction : v = k [NO]2[Br2] The above reaction has a total level reaction are:
    • A. 

      3

    • B. 

      2

    • C. 

      1

    • D. 

      0

    • E. 

      1/2

  • 8. 
    For the reaction: A + B → AB get the data: If the concentration of [A] is increased twice at a concentration of B is constant, the reaction rate becomes twice larger. If the concentration of A and B are increased each twice, the reaction rate becomes 8 times larger, the reaction rate equation is…
    • A. 

      V=k(A)2(B)1

    • B. 

      V=k(A)1(B)2

    • C. 

      V=k(A)1(B)1

    • D. 

      V=k(A)1

    • E. 

      V=k(B)2

  • 9. 
    Jika suhu dinaikan 10oC, laju suatu reaksi akan naik dua kali lipat. Jika pada suhu t0C berlangsung 16 menit, pada suhu (t+30)0C reaksinya berlangsung are....
    • A. 

      2 minutes

    • B. 

      2,5 minutes

    • C. 

      1 minutes

    • D. 

      1,5 minutes

    • E. 

      3 minutes

  • 10. 
    • Date of reaction:
    A + B → AB2 [A] M [B] M V (M/s) 0.5 0.1 5 0.5 0.4 80 X 0.4 32 1 0.8 640 Determine value of X from above table…
    • A. 

      0,1 M

    • B. 

      0,25 M

    • C. 

      0,2 M

    • D. 

      0,35 M

    • E. 

      0,3 M