⚖️ Balance the chemical equations by completing the missing coefficients.
🇫🇷 French Version
Chemical equation 1 ⚗️
CH
4
+
O
2
→ CO
2
+
H
2
O
Chemical equation 2 ⚗️
C
2
H
6
+
O
2
→
CO
2
+
H
2
O
Chemical equation 3 ⚗️
Fe + O
2
→
Fe
2
O
3
Chemical equation 4 ⚗️
Al +
O
2
→
Al
2
O
3
Chemical equation 5 ⚗️
C
4
H
10
+
O
2
→
CO
2
+
H
2
O
2
2
7
4
6
4
2
3
2
2
13
8
10
📊 RESULT:
Next exercise 🔀