Balance the chemical equations ⚖️ and determine the numbers of the different atoms ⚛️ present in the reactants and products.
🇫🇷 French Version
Chemical equation 1 ⚗️
Complete combustion of hexane 🔥
Word equation:
Hexane + Dioxygen → Carbon dioxide + Water
Chemical equation:
2
C
6
H
14
+
O
2
→
CO
2
+
H
2
O
Reactants
Products
C →
C →
?
H →
H →
?
O →
O →
?
Chemical equation 2 ⚗️
Complete combustion of heptane 🔥
Word equation:
Heptane + Dioxygen → Carbon dioxide + Water
Chemical equation:
C
7
H
16
+
O
2
→
CO
2
+
H
2
O
Reactants
Products
C →
C →
?
H →
H →
?
O →
O →
?
Chemical equation 3 ⚗️
Complete combustion of octane 🔥
Word equation:
Octane + Dioxygen → Carbon dioxide + Water
Chemical equation:
C
8
H
18
+
O
2
→
CO
2
+
H
2
O
Reactants
Products
C →
C →
?
H →
H →
?
O →
O →
?
19
12
14
12
28
38
11
7
8
7
16
22
2
25
16
18
16
36
50
📊 RESULT:
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