Chemical Reaction Exam: Quiz!

1.

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:

1

2

3

4

5

2. 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....

1

2

3

4

5

3. 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:

Two times

Four time

Six times

Eight times

Ten times

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

3

2

1

0

1/2

5. 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…

V=k(A)2(B)1

V=k(A)1(B)2

V=k(A)1(B)1

V=k(A)1

V=k(B)2

6. 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....

2 minutes

2,5 minutes

1 minutes

1,5 minutes

3 minutes

7.

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…

0,1 M

0,25 M

0,2 M

0,35 M

0,3 M

8. 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....

1/8.10-4

1/32.10-4

8.10-4

32.10-4

1/4.10-4

9.

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…

3

2

1

0

1/2

10. In reaction A + BC, the rate of reaction can be defined as:

A decrease of concentration A per time unit

The multiple concentration of A and B per time unit

The increase of concentration of A and B per time

The decrease of concentration C per time unit

The product of concentration A and B divided by concentration C