- Identify the type of reaction: N2 + 3H2 —–> 2NH3
A. Synthesis
B. Decomposition
C. Single Replacement
D. Double Replacement
E. Combustion - Identify the type of reaction:2NaI + F2 —> 2NaF + I2
A. Synthesis
B. Decomposition
C. Single Replacement
D. Double Replacement
E. Combustion - Identify the type of reaction:2AgCl + BaBr2 —-> 2AgBr + BaCl2
A. Synthesis
B. Decomposition
C. Single Replacement
D. Double Replacement
E. Combustion - Identify the type of reaction:C2H6 + 5O2 —> 3H2O + 2CO2
A. Synthesis
B. Decomposition
C. Single Replacement
D. Double Replacement
E. Combustion - Identify the type of reaction:2H2O —->2H2 + O2
A. Synthesis
B. Decomposition
C. Single replacement
D. Double replacement
E. Combustion - How many atoms of oxygen are on the reactant side?2H2O —> 2H2 + O2
A. One
B. Two
C. Four
D. Three - How many atoms of oxygen are on the left side?2H2O —> 2H2 + O2
A. One
B. Two
C. Four
D. Three - How many nitrogen atoms are on the right side?N2 + 3H2 —-> 2NH3
A. Three
B. Two
C. Four
D. Six - How many hydrogen atoms are on the product side? N2 + 3H2 —-> 2NH3
A. Six
B. Five
C. Four
D. Three
E. Two - What type of reaction involves the breaking down of a substance into simpler substances?
A. Single Displacement Reaction
B. Double Displacement Reaction
C. Synthesis Reaction
D. Decomposition Reaction
- What type of reaction involves 2 substances combining to form 1 new compound?
A. Decomposition Reaction
B. Single Displacement Reaction
C. Double Displacement Reaction
D. Synthesis Reaction
- What type of reaction involves one element replacing another element in a compound?
A. Single Displacement Reaction
B. Double Displacement Reaction
C. Synthesis Reaction
D. Decomposition Reaction
- What type of reaction involves ions from 2 compounds exchanging places to form 2 completely new compounds?
A. Single Displacement Reaction
B. Double Displacement Reaction
C. Synthesis Reaction
D. Decomposition Reaction
- What are the reactants in the chemical equation pictured?
A. CH4 and CO2
B. CH4 and O2
C. CO2 and H2O
D. O2 and H2O
- What are the products of the chemical reaction pictured?
A. CH4 and CO2
B. CH4 and O2
C. CO2 and H2O
D. O2 and H2O
- The reactants are on the left side of the chemical equation.
A. True
B. False
- What type of chemical reaction is this one?
Al(OH)3 –> Al2O3 + H2O
A. Decomposition
B. Combustion
C. Synthesis
D. Single Replacement
- What type of chemical reaction is this one?
CuO + CO2 –> CuCO3
A. Decomposition
B. Combustion
C. Synthesis
D. Single Replacement
- What type of chemical reaction is this one?
Ca + MgCl2 –> CaCl2 + Mg
A. Decomposition
B. Combustion
C. Synthesis
D. Single Replacement
- The right side of the equation below is called the
A. Products
B. reactants
- What type of reaction is illustrated below?
2HI –> H2 + I2
A. synthesis
B. decomposition
C. single replacement
D. double replacement
- What type of reaction is illustrated below?
Zn + H2S –> ZnS + H2
A. synthesis
B. decomposition
C. single replacement
D. double replacement
- What type of chemical reaction is this one?
C2H2 + O2 –> CO2 + H2O
A. Decomposition
B. Combustion
C. Synthesis
D. Single Replacement
- Evidence of a chemical reaction include:
A. Phase change
B. No new substance
C. Bubbles forming
D. Shape change
- What is the reaction type ?
3KOH + H3PO4 –> K3PO4 + 3H2O
A. Combination
B. Decomposition
C. Single replacement
D. Double replacement
- What is the reaction type?
2Na +S → Na2S
A. Double Replacement
B. Decomposition
C. Combustion
D. Synthesis
- What is the reaction type ?: 2 NO2 —> 2 O2 + N2
A. Synthesis
B. Single Replacement
C. Decomposition
D. Combustion
- Grinding a seltzer tablet into powder increases the rate of reaction due to
A. increased concentration
B. surface area
C. temperature
D. reactants
- The minimum amount of energy required for a reaction to proceed.
A. activation energy
B. exothermic energy
C. endothermic energy
D. catalyst - Which factors increase the rate of a reaction?
A. increasing temperature
B. increasing concentration
C. increasing surface area
D. all of these - Which factors decrease the rate of a reaction?
A. decreasing the temperature
B. increasing surface area
C. increasing concentration - Increasing concentration increases reaction rate due to more collisions.
A. True
B. False - List three factors that affect the rate of a reaction:
…………………………………………………….
…………………………………………………….
……………………………………………………. - A temperature increase causes the particles ……
A. to slow down
B. move faster
C. collide higher
D. in the right order
- The rate of a reaction increases as temperature__________________.
A. Decreases
B. Increases
C. Stays the Same - The _ the surface area of the reactants, the faster the reaction rate.
A. larger
B. smaller - Smaller particle size allows for a _ surface area to be exposed for the reaction.
A. larger
B. smaller - Increasing the temperature will increase the kinetic energy of particles, therefore increasing the collisions between particles.
A. false
B. true - Usually lowering the temperature will slow down a reaction.
A. false
B. true - Increasing the concentration of the reactants will slow down the reaction.
A. false
B. true
Comments
1A 2C 3D 4E 5A 6B 7C 8B 9A 10D 11D 12A 13B 14B 15C 16A 17A 18A 19D 20A 21B 22C 23B 24C 25D 26C 27C 28B 29A 30D 31A 32True 33temperature/concentration/physical state of reaction 34C 35B 36smaller 37larger 38true 40false
1 (a) 2(c) 3(d) 4(e) 5(a) 6(b) 7(c) 8(B) 9(A) 10(D) 11(D) 12(A) 13(b) 14 (b) 15(C) 16(A) 17(A) 18(A) 19(D) 20(A) 21(b) 22(C) 23(B) 24(C) 25(D) 26(C) 27(c) 28(b) 29(a) 30(D) 31(a) 32(true) 33( temperature, concentration, physical state of reactant) 34(c) 35(b) 36(smaller) 37(larger) 38(true) 40(false)
1 a
2 c
3 d
4 e
5 b
6 b
7 b
8 b
9 a
10 d
11 d
12 a
13 b
14 b
15 c
16 a
17 a
18 c
19 d
20 a
21 b
22 c
23 b
24 c
25 d
26 d
27 c
28 b
29 a
30 d
31 a
32 a
33 temperature, surface area, concentration
34 b
35 b
36 a
37 a
38 b
39 b
40 a
1a
2c
3d
4e
5b
6b
7b
8b
9a
10d
11d
12a
13b
14b
15c
16a
17a
18c
19d
20a
21b
22c
23b
24c
25d
26d
27c
28b
29d
30a
31a
32 temperature, surface area, catalyst
33b
34a
35b
36a
37a
38b
39b
40a
1.a 2.c 3.d 4.e 5.a 6.b 7.b 8.b 9.a 10.d 11.d 12.a 13.b 14.b 15.c 16.a 17.a 18.a 19.d 20.a 21.b 22.c 23.b 24.c 25.d 26.d 27.c 28.b 29.a 30.d 31.a 32.true 33 1.reactant 2.concentrations 3.surface area 34.b 35.b 36.a 37.a 38.b 39.b 40.a
1)a2)c3)d4)e5)a6)b7c8)b9)a10)d11)d12)a13)b14)b15)c16)a17)a18)a19)d20)a21)b22)c23)b24)c25)d26)c27)c28)b29)a30)d31)true32)temperature 33)temperature 34))c35)b36)smaller 37)larger 38)true39)true40)false
1.a 2.c 3.d 4.e 5.a 6.b 7.c 8.b 9.a 10.d 11.d 12.a 13.b 14.b 15.c 16.a 17.b 18.a 19.d 20.a 21.b 22.c 23.b 24.c 25.d 26.c 27.c 28.b 29.a 30.d 31.a 32.true 33.temperature,concentration,physical of reactant 34 c 35b 36 smaller 37larger 38 true 39.true 40 false
1.e
2.C
3.B
4.E
5.B
6.B
7.B
8.B
9.A
10.B
11.B
12.A
13.B
14.C
15.B
16.True
17.A
18.A
19.D
20.B
21.a
22.c
23.c
24.a
25.B
26.B
27.a
28.c
29.A
30.C
31.True
32. reactant concentration, surface area, temperature, and catalysts
33.a
34.b
35.b
36.a
37.c
38.A
39.B
40.B
1 E
2 C
3 B
4 E
5 B
6 B
7 B
8 B
9 A
10 D
11 D
12 A
13 B
14 B
15 C
16 A
17 A
18 A
19 D
20 B
21 B
22 B
23 B
24 A
25 D
26 C
27 C
28 A
29 D
30 A
31 B
32 surface area,temperature,concentration
33 B
34 D
36 A
37 C
38 C
39 C
40 A