Chemical Reaction Exam: Quiz!

10 Questions | By Kimiadewi | Last updated: Jan 13, 2021 | Total Attempts: 49

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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 15^oC 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

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