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Propane is burned to provide the heat in many cooking grills. The chemical reaction for this process is shown in the equation below.

[tex]\[C_3H_8 + 5O_2 \rightarrow 3CO_2 + 4H_2O + \text{energy}\][/tex]

What are the products in this chemical reaction?

A. [tex]\(C_3H_3 + 3CO_2 + \text{energy}\)[/tex]

B. [tex]\(4H_2O + 5O_2\)[/tex]

C. [tex]\(C_3H_8 + 5O_2\)[/tex]

D. [tex]\(3CO_2 + 4H_2O + \text{energy}\)[/tex]


Sagot :

Let's analyze the given chemical equation step-by-step to determine the products of the reaction.

The chemical equation for the combustion of propane (C_3H_8) is:
[tex]$ C_3H_8 + 5O_2 \rightarrow 3CO_2 + 4H_2O + \text{energy} $[/tex]

1. Reactants:
- On the left-hand side of the equation, we see the reactants are propane (C_3H_8) and oxygen (O_2).

2. Products:
- On the right-hand side of the equation, the products are carbon dioxide (CO_2), water (H_2O), and energy.

Now let's compare this to the given answer choices:

A. [tex]\( C_3H_3 + 3CO_2 + \text{energy} \)[/tex]

- This option suggests different products than those indicated in the reaction. This is not correct.

B. [tex]\( 4H_2O + 5O_2 \)[/tex]

- This suggests water and oxygen as the products. This is not correct because these are the reactants or products do not match the original equation.

C. [tex]\( C_3H_8 + 5O_2 \)[/tex]

- This option repeats the reactants instead of giving the products. This is not correct.

D. [tex]\( 3CO_2 + 4H_2O + \text{energy} \)[/tex]

- This correctly lists carbon dioxide, water, and energy, which matches the products shown on the right-hand side of the equation.

So, the correct answer is:
D. [tex]\( 3CO_2 + 4H_2O + \text{energy} \)[/tex]