Log in
Sign up for FREE
arrow_back
Library
Unit 7 Level 1 (H) Review
By Kristina Thibodeaux
star
star
star
star
star
Share
share
Last updated 2 months ago
10 questions
Add this activity
Required
1
Required
1
Required
1
Required
1
Required
1
Required
1
Required
1
1
1
Required
1
Question 1
1.
When the following equation is balanced, what is the coefficient for HCl?
__Mg + __HCl → __MgCl
2
+ __H
2
6
1
3
4
2
Question 2
2.
Predict the produ→ *the equation*
__ NaBr + __CaF
2
→ __NaF + __CaBr
2
2 NaBr + 2 CaF
2
→ 2 FNa + 2 Br
2Ca
2 NaBr + 1 CaF
2
→ 2 NaF + 1 CaBr
2
NaBr + CaF
2
→ NaCa + BrF
2
2 NaBr + 1 CaF
2
→ 1 NaF
2
+ 1 CaBr
Question 3
3.
Given the following combustion reaction, after balancing the equation, what is the sum of the coefficients of the reactants and products?
__C
2
H
6
+ __O
2
→ __CO
2
+ __H
2
O
15
17
19
21
23
Question 4
4.
Use the following symbolic equation to determine the word equation:
Cu
2
SO
4
+ Sr(C
2
H
3
O
2
)
2
→ CuC
2
H
3
O
2
+ SrSO
4
Copper (II) sulfate + strontium acetate → Copper (II) strontium + acetate sulfate
Copper (I) sulfate + strontium acetate → Copper (I) strontium + acetate sulfate
Copper (I) sulfate + strontium acetate → Copper (I) acetate + strontium sulfate
Copper (II) acetate + strontium sulfate → Copper (II) sulfate + strontium acetate
Question 5
5.
Which of the following reactions is a combination (synthesis) reaction?
KOH(aq) + HCl(aq) → KCl(aq) + H
2
O(l)
2H
2
O(l) → 2H
2
(g) + O
2
(g)
AgNO
3(
aq) + HCl(aq) → AgCl(s) + HNO
3
(aq)
C
3
H
8
(g) + 5O
2
(g) → 3CO
2
(g) + 4H
2
O(l)
Na
2
O(s) + CO
2
(g) → Na
2
CO
3
(s)
Question 6
6.
From the given balanced reactants, predict the correctly balanced product.
3 Na + FeBr
3
→
NaBr
3
+ Fe
3 NaFe + Br
2
3 NaBr + Fe
NaBr + Fe
Question 7
7.
What is the missing product for the single replacement reaction?
2 Al + 3 Pb(NO
3
)
2
→ 2 Al(NO
3
)
3
+ ??
Pb
Pb
3
Pb
2
3 Pb
Question 8
8.
If 21 g of Na reacts with 15 g of Cl
2
, how much NaCl is made?
Question 9
9.
13 g of methane reacts wit oxygen to produce 22 g of carbon dioxide and 11 g of water. How much oxygen reacted with the methane?
Question 10
10.
Which product is missing from this single replacement reaction?
Cu (s) + H
2
SO
4
(aq) → CuSO
4
(aq) +
???
CuO (s)
H (g)
H
2
(g)
O
2
CO
2