Activity Index
Balancing #7
Identify the correct coefficients
Though coefficients of "1" are not ordinarily written into chemical equations, in this activity EVERY coefficient must be filled in, including coefficients of "1".
(NH
4
)
2
Cr
2
O
7
→
Cr
2
O
3
+
N
2
+
H
2
O
KClO
3
→
KCl +
O
2
H
2
S +
O
2
→
H
2
O +
SO
2
NH
3
+
O
2
→
NO +
H
2
O
C
2
H
4
+
O
2
→
CO
2
+
H
2
O
PCl
3
+
H
2
O →
H
3
PO
3
+
HCl
Fe +
FeCl
3
→
FeCl
2
C
3
H
6
O +
O
2
→
CO +
H
2
O
C
3
H
6
+
O
2
→
CO
2
+
H
2
O
C
3
H
6
+
O
2
→
CO +
H
2
O
HCl +
Na
3
PO
4
→
H
3
PO
4
+
NaCl
F
2
+
H
2
O →
HF +
O
2
Fe
3
O
4
+
H
2
→
Fe +
H
2
O
K
2
O +
H
2
O →
KOH
NH
3
+
O
2
→
NO +
H
2
O
NaHCO
3
→
Na
2
CO
3
+
CO
2
+
H
2
O
NO
2
+
H
2
O →
HNO
3
+
NO
H
2
O
2
→
H
2
O +
O
2
CH
4
+
Cl
2
→
HCl +
CCl
4
Na
2
SO
4
+
C →
Na
2
S +
CO
2
C
7
H
16
+
O
2
→
CO
2
+
H
2
O
CO +
H
2
O →
HF +
C
2
H
3
O
2
F +
O
2
HNO
3
→
NO
2
+
H
2
O +
O
2
FeS
2
+
O
2
→
Fe
2
O
3
+
SO
2
Li
3
N →
Li +
N
2
Check
OK
Activity Index