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Section 9.1 Worksheet
By Joseph Morsaw
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Last updated over 3 years ago
31 questions
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Question 1
1.
The process by which one or more substances are rearranged to form different substances is called a
____________________
.
Question 2
2.
Which of the following is an example of a chemical reaction?
car rusting
water boiling
Zinc reacting with hydrochloric acid
gold being hammered into a ring
ice melting
oxygen gas and hydrogen gas electrocuted to produce water
Oxygen gas produced from hydrogen peroxide and manganese dioxide
Question 3
3.
___________________ => ______________________ using the area, where will the products be in the chemical equation?(left/right side)
Question 4
4.
Which symbols are used to represent states of matter in chemical equations?
(g)
(f)
(s)
(t)
(q)
(z)
(l)
Question 5
5.
KI + PbBr
2
=> KBr + PbI
2
given the following chemical equation, which compounds are the products?(choose all that apply)
PbBr
2
PbI
2
KBr
KI
Question 6
6.
KI
(aq)
+ PbBr
2(aq)
=> KBr
(aq)
+ PbI
2(s)
given the following chemical equation, which compounds are in aqueous form?(choose all that apply)
PbBr
2
KBr
KI
PbI
2
Question 7
7.
KI
(aq)
+ PbBr
2(aq)
=> KBr
(aq)
+ PbI
2(s)
given the following chemical equation, which compounds are in solid form?(choose all that apply)
KBr
PbBr
2
PbI
2
KI
Question 8
8.
KI
(aq)
+ PbBr
2(aq)
=> KBr
(aq)
+ PbI
2(s)
given the following chemical equation, which elements are bonded to Iodine?(choose all that apply)
K
KBr
Br
Pb
Question 9
9.
Which equations are skeleton equations below?
2KBr + Cl
2
=> 2KCl + Br
2
4 Li + O
2
=> 2Li
2
O
Na + H
2
O = > NaOH + H
2
Pb + Cl
2
=> PbCl
4
Question 10
10.
Given the equation, 2P + 3H
2
=> 2PH
3
, what is the coefficient on H
2
?
1
6
3
2
Question 11
11.
Given the equation, 2P + 3H
2
=> 2PH
3
, how many atoms of phosphorus are in the products?
1
6
3
2
Question 12
12.
Given the equation, 2P + 3H
2
=> 2PH
3
, how many atoms of hydrogen are in the reactants?
3
6
2
1
Question 13
13.
Given the equation ____Zn + _____O
2
=> _____ZnO. What coefficient is needed in front of ______ZnO to balance the equation?
1
2
3
6
Question 14
14.
Given the equation ____Zn + _____O
2
=> _____ZnO. What coefficient is needed in front of ______Zn to balance the equation?
1
2
3
6
Question 15
15.
Given the equation ____Zn + _____O
2
=> _____ZnO. What coefficient is needed in front of ______O
2
to balance the equation?
1
2
3
6
16
17
18
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2
Question 16
16.
coefficient
2
Question 17
17.
coefficient
2
Question 18
18.
coefficient
19
20
21
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2
Question 19
19.
coefficient
2
Question 20
20.
coefficient
2
Question 21
21.
coefficient
22
23
24
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2
Question 22
22.
coefficient
2
Question 23
23.
coefficient
2
Question 24
24.
coefficient
25
26
27
28
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2
Question 25
25.
coefficient
2
Question 26
26.
coefficient
2
Question 27
27.
coefficient
2
29
30
31
zoom_in
2
Question 29
29.
coefficient
2
Question 30
30.
coefficient
2
Question 31
31.
coefficient
Question 28
28.
coefficient
