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Chemistry 2 Counting
Test Description: Chem 2 information
Instructions: Answer all questions to get your test result.
1) 6CO2 + 6H2O ------ C6H12O6 + 6O2 What is the reactant?
A
non of the above
B
C6H12O6 + 6O2
C
arrow
D
6CO2 + 6H2O
2) 6CO2 + 6H2O ------ C6H12O6 + 6O2 What is the product?
A
6CO2 + 6H2O
B
C6H12O6 + 6O2
C
arrow
D
none of the answers
3) 6CO2 + 6H2O ------ C6H12O6 + 6O2 What is the yields sign?
A
none of the answers
B
arrow
C
C6H12O6 + 6O2
D
6CO2 + 6H2O
4) 6CO + 6HO ------ 6O2 How many atoms are on the reactant side
A
4
B
12
C
18
D
24
5) 6CO + 6HO ------ 6O2 How many atoms are on the product side?
A
24
B
12
C
4
D
18
6) 6CO2 + 6H2O ------ C6H12O6 + 6O2 Does this chemical equation follow the law of conservation of mass?
A
yes
B
no
7) 6CO2 + 6H2O ------ C6H12O6 + 6O2 How many elements are on the reactant side?
A
1
B
4
C
2
D
3
8) 6CO2 + 6H2O ------ C6H12O6 + 6O2 How many compounds are on the product side?
A
2
B
0
C
3
D
1
9) what do we do if there is no number where the subscript goes?
A
pretend that it is not there
B
place a zero there
C
place an one there
10) 6O2 What is the coefficient?
A
6
B
24
C
2
D
12
*select an answer for all questions
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