Which of the following equations if correctly balanced?(1 point)

Question

Responses

C8H8+2O2→CO2+4H2O
𝐶
8
𝐻
8
+
2
𝑂
2
→
𝐶
𝑂
2
+
4
𝐻
2
𝑂
C8H8+2O2→CO2+4H2O
𝐶
8
𝐻
8
+
2
𝑂
2
→
𝐶
𝑂
2
+
4
𝐻
2
𝑂

C8H8+3O2→3CO2+4H2O
𝐶
8
𝐻
8
+
3
𝑂
2
→
3
𝐶
𝑂
2
+
4
𝐻
2
𝑂
cap c sub 8 cap h sub 8 plus 3 cap o sub 2 rightarrow 3 cap c cap o sub 2 plus 4 cap h sub 2 cap o

C8H8+4O2→3CO2+3H2O
𝐶
8
𝐻
8
+
4
𝑂
2
→
3
𝐶
𝑂
2
+
3
𝐻
2
𝑂
cap c sub 8 cap h sub 8 plus 4 cap o sub 2 rightarrow 3 cap c cap o sub 2 plus 3 cap h sub 2 cap o

C8H8+5O2→3CO2+4H2O

Answer 1

To determine which of the given equations is correctly balanced, we can check the number of atoms of each element on both sides of each equation.

1. Equation 1:
   \( C_8H_8 + 2O_2 → CO_2 + 4H_2O \)

   • Reactants:

     • Carbon (C): 8
     • Hydrogen (H): 8
     • Oxygen (O): 2 × 2 = 4

   • Products:

     • Carbon (C): 1 × 1 = 1
     • Hydrogen (H): 4 × 2 = 8
     • Oxygen (O): 1 × 2 + 4 × 1 = 6

   Not balanced (C and O are not balanced).

2. Equation 2:
   \( C_8H_8 + 3O_2 → 3CO_2 + 4H_2O \)

   • Reactants:

     • Carbon (C): 8
     • Hydrogen (H): 8
     • Oxygen (O): 3 × 2 = 6

   • Products:

     • Carbon (C): 3 × 1 = 3
     • Hydrogen (H): 4 × 2 = 8
     • Oxygen (O): 3 × 2 + 4 × 1 = 10

   Not balanced (C and O are not balanced).

3. Equation 3:
   \( C_8H_8 + 4O_2 → 3CO_2 + 3H_2O \)

   • Reactants:

     • Carbon (C): 8
     • Hydrogen (H): 8
     • Oxygen (O): 4 × 2 = 8

   • Products:

     • Carbon (C): 3 × 1 = 3
     • Hydrogen (H): 3 × 2 = 6
     • Oxygen (O): 3 × 2 + 3 × 1 = 9

   Not balanced (C and O are not balanced).

4. Equation 4:
   \( C_8H_8 + 5O_2 → 3CO_2 + 4H_2O \)

   • Reactants:

     • Carbon (C): 8
     • Hydrogen (H): 8
     • Oxygen (O): 5 × 2 = 10

   • Products:

     • Carbon (C): 3 × 1 = 3
     • Hydrogen (H): 4 × 2 = 8
     • Oxygen (O): 3 × 2 + 4 × 1 = 10

   Not balanced (C is not balanced).

In conclusion, none of the given equations are properly balanced. However, if we assume the intent is to represent combustion of a hydrocarbon correctly, the proper balancing of \(C_8H_8 + 10O_2 → 8CO_2 + 4H_2O\) would be required.