methanol (ch₃oh) can be used to prevent certain liquids from freezing in cold weather. methanol is produced when carbon monoxide (co) and hydrogen gas (h₂) react. which model accurately represents this reaction?

Question

Accepted Answer

# Explanation:
## Step1: Write the balanced chemical equation
The chemical formula for carbon monoxide is $CO$, for hydrogen gas is $H_{2}$, and for methanol is $CH_{3}OH$. The balanced chemical equation for the formation of methanol from carbon monoxide and hydrogen gas is $CO + 2H_{2}
ightarrow CH_{3}OH$.
## Step2: Analyze the number of each type of atom in reactants and products
- **Carbon ($C$)**: In $CO$ (reactant), there is $1$ $C$ atom. In $CH_{3}OH$ (product), there is $1$ $C$ atom.
- **Oxygen ($O$)**: In $CO$ (reactant), there is $1$ $O$ atom. In $CH_{3}OH$ (product), there is $1$ $O$ atom.
- **Hydrogen ($H$)**: In $2H_{2}$ (reactant), there are $2\times2 = 4$ $H$ atoms. In $CH_{3}OH$ (product), there are $3 + 1=4$ $H$ atoms.

Now, let's analyze the models:
- The first model has $1$ $CO$ molecule ($1$ $C$ and $1$ $O$) and $1$ $H_{2}$ molecule ($2$ $H$). The number of $H$ atoms is not balanced as per the equation $CO + 2H_{2}
ightarrow CH_{3}OH$.
- The second model has $2$ $CO$ molecules ($2$ $C$ and $2$ $O$) and $1$ $H_{2}$ molecule ($2$ $H$). The number of $C$ and $O$ atoms is not balanced.
- The third model has $1$ $CO$ molecule ($1$ $C$ and $1$ $O$) and $2$ $H_{2}$ molecules ($4$ $H$). This matches the reactants in the balanced equation $CO + 2H_{2}
ightarrow CH_{3}OH$.
- The fourth model has $2$ $CO$ molecules ($2$ $C$ and $2$ $O$) and $2$ $H_{2}$ molecules ($4$ $H$). The number of $C$ and $O$ atoms is not balanced.

# Answer:
The third model (the one with one $CO$ molecule and two $H_{2}$ molecules as reactants) accurately represents the reaction $CO + 2H_{2}
ightarrow CH_{3}OH$.

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QUESTION IMAGE

Question

Explanation:

Step1: Write the balanced chemical equation

Step2: Analyze the number of each type of atom in reactants and products

Answer: