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Chemical Equation Solving Quiz
Can you fill in the coefficients, which balance the equation?
For example _ CH
4
+ _ O
2
→ _ CO
2
+ _ H
2
O would be balanced by
1
CH
4
+
2
O
2
→
1
CO
2
+
2
H
2
O
"Ones" must be written too.
You might wanna use a piece of paper for some of them.
For the last one some coefficients have to be given for its solvability.
Quiz by
Nathaniel
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Last updated: April 22, 2020
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First submitted
April 2, 2020
Times taken
138
Average score
58.3%
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Chemical Equation
1
P
4
+
5
O
2
⟶
1
P
4
O
10
2
Mg +
1
O
2
⟶
2
MgO
2
HCl +
2
Na ⟶
2
NaCl +
1
H
2
1
Fe
2
O
3
+
2
Al ⟶
1
Al
2
O
3
+
2
Fe
1
Zn +
2
HCl ⟶
1
ZnCl
2
+
1
H
2
6
CO
2
+
6
H
2
O ⟶
1
C
6
H
12
O
6
+
6
O
2
4
NO
2
+
2
H
2
O +
1
O
2
⟶
4
HNO
3
4
FeCO
3
+
1
O
2
⟶
2
Fe
2
O
3
+
4
CO
2
4
FeS
2
+
11
O
2
⟶
2
Fe
2
O
3
+
8
SO
2
2
KMnO
4
+
16
HCl ⟶
2
KCl +
2
MnCl
2
+
5
Cl
2
+
8
H
2
O
1
KBrO
3
+
5
KBr +
3
H
2
SO
4
⟶
3
K
2
SO
4
+
3
Br
2
+
3
H
2
O
24 HNO
3
+
5
C
6
H
12
O
6
⟶
12
N
2
+ 30 CO
2
+
42
H
2
O
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5 Comments
Show comments >
Nilles
+1
Level 50
Apr 22, 2020
good too see photosynthesis made the cut
Nathaniel
+1
Level 77
Apr 22, 2020
👌
Ctrling
+1
Level 46
Feb 22, 2021
I should've used paper. Ran out of time :(
GeoRockstar14
+1
Level 92
Feb 27, 2023
9/12. Aint bad for doing it in my head:)
EnlightWolif
+1
Level 51
Mar 16, 2024
takes too long even wiþ paper. (coping w skill issue xD)
:c
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