QUESTION IMAGE
Question
this passage describes a chemical reaction. read the passage. then, follow the instructions below.
some chemical factories make hydrogen gas (h₂) using a process called steam methane reforming. in this process, methane (ch₄) combines with steam (h₂o) at high temperatures to form a mixture of hydrogen gas and carbon monoxide (co). this mixture can then be used to make substances like hydrogen fuel and ammonia.
complete the table to classify the substances in this chemical reaction.
table with columns: substance, reactant, product; rows: carbon monoxide (co), hydrogen (h₂), methane (ch₄), steam (h₂o)
To solve this, we analyze the chemical reaction description:
Step 1: Identify Reactants and Products
In a chemical reaction, reactants are the substances that combine (or react) to form products. From the passage:
- Reactants: Methane ($\ce{CH4}$) and steam ($\ce{H2O}$) (they “combine” to react).
- Products: Hydrogen gas ($\ce{H2}$) and carbon monoxide ($\ce{CO}$) (they “form” as a result of the reaction).
Step 2: Classify Each Substance
- Carbon monoxide ($\ce{CO}$): Formed by the reaction → Product.
- Hydrogen ($\ce{H2}$): Formed by the reaction → Product.
- Methane ($\ce{CH4}$): Reacts (combines) → Reactant.
- Steam ($\ce{H2O}$): Reacts (combines) → Reactant.
Completed Table
| Substance | Reactant | Product |
|---|---|---|
| hydrogen ($\ce{H2}$) | ✔️ | |
| methane ($\ce{CH4}$) | ✔️ | |
| steam ($\ce{H2O}$) | ✔️ |
(Note: In the table, mark “✔️” in the appropriate column for each substance.)
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To solve this, we analyze the chemical reaction description:
Step 1: Identify Reactants and Products
In a chemical reaction, reactants are the substances that combine (or react) to form products. From the passage:
- Reactants: Methane ($\ce{CH4}$) and steam ($\ce{H2O}$) (they “combine” to react).
- Products: Hydrogen gas ($\ce{H2}$) and carbon monoxide ($\ce{CO}$) (they “form” as a result of the reaction).
Step 2: Classify Each Substance
- Carbon monoxide ($\ce{CO}$): Formed by the reaction → Product.
- Hydrogen ($\ce{H2}$): Formed by the reaction → Product.
- Methane ($\ce{CH4}$): Reacts (combines) → Reactant.
- Steam ($\ce{H2O}$): Reacts (combines) → Reactant.
Completed Table
| Substance | Reactant | Product |
|---|---|---|
| hydrogen ($\ce{H2}$) | ✔️ | |
| methane ($\ce{CH4}$) | ✔️ | |
| steam ($\ce{H2O}$) | ✔️ |
(Note: In the table, mark “✔️” in the appropriate column for each substance.)