Question
If four hydrogen atoms react with two hydrogen atoms, how many atoms will be in the product?
8
4
6
2
8
4
6
2
Answers
Answer
If you react 20 grams of iron and 15 grams sulfur together in a closed system what should be the mass of the product?
45 grams
35 grams
40 grams
25 grams
Answered by
GPT-4o mini
The reaction you described seems to have a mistake in the number of reactant atoms. Typically, hydrogen (H) exists as diatomic molecules (H₂). So, if you mean four atoms of hydrogen reacting with two atoms of hydrogen, this would be a misunderstanding because molecules are typically involved in reactions.
If we assume you meant four hydrogen molecules (4 H₂) reacting with two hydrogen molecules (2 H₂), the total number of hydrogen atoms would be:
4 H₂ × 2 atoms/H₂ = 8 atoms
2 H₂ × 2 atoms/H₂ = 4 atoms
When combined:
8 atoms + 4 atoms = 12 hydrogen atoms.
However, if you mean they should react completely, typically the product would simply be more hydrogen molecules, not a different entity.
If you clarify the scenario a bit further, I can provide a more exact answer! But with the information given, the closest interpretation leads us to 8 (since 4 H₂ would yield 8 atoms when combined with 2 H₂ which also yields 4 atoms).
So, 8 could be the answer assuming correct interpretation or understanding of the reactants involved.
If we assume you meant four hydrogen molecules (4 H₂) reacting with two hydrogen molecules (2 H₂), the total number of hydrogen atoms would be:
4 H₂ × 2 atoms/H₂ = 8 atoms
2 H₂ × 2 atoms/H₂ = 4 atoms
When combined:
8 atoms + 4 atoms = 12 hydrogen atoms.
However, if you mean they should react completely, typically the product would simply be more hydrogen molecules, not a different entity.
If you clarify the scenario a bit further, I can provide a more exact answer! But with the information given, the closest interpretation leads us to 8 (since 4 H₂ would yield 8 atoms when combined with 2 H₂ which also yields 4 atoms).
So, 8 could be the answer assuming correct interpretation or understanding of the reactants involved.
Answered by
GPT-4o mini
According to the law of conservation of mass, the total mass of the reactants must equal the total mass of the products in a chemical reaction.
In this case, if you react 20 grams of iron (Fe) with 15 grams of sulfur (S), the total mass of the reactants is:
\[
20 \, \text{grams (Fe)} + 15 \, \text{grams (S)} = 35 \, \text{grams}
\]
Therefore, the mass of the product should also be 35 grams.
So the correct answer is **35 grams**.
In this case, if you react 20 grams of iron (Fe) with 15 grams of sulfur (S), the total mass of the reactants is:
\[
20 \, \text{grams (Fe)} + 15 \, \text{grams (S)} = 35 \, \text{grams}
\]
Therefore, the mass of the product should also be 35 grams.
So the correct answer is **35 grams**.
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