Which of these chemical equations does not describe a redox reaction? Show the oxidation states of all elements of the answer you chose. A) 2KBr(aq) + Cl₂(g) → 2KCl(aq) + Br₂(1) B) 2Na(s) + 2H2O(l) → 2NaOH(aq) + H₂(g) C) 2LiOH(aq) + H₂SO4(aq) → Li₂SO4(aq) + 2H₂O(l) D) 3NO2(g) + H₂O(l) → 2HNO3(aq) + NO(g) E) 2KNO3(s) → 2KNO₂(s) + O2(g)

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Chapter1: Chemical Foundations
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Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Please answer the below 2 questions

**Question:**

Which of the following gases effuses most rapidly?

- Ammonia
- Nitrogen
- Oxygen
- Hydrogen chloride
- Carbon monoxide

**Correct Answer:** Ammonia

**Explanation:**
Effusion is the process by which gas molecules escape through a small hole into a vacuum. According to Graham's law of effusion, the rate of effusion of a gas is inversely proportional to the square root of its molar mass. Therefore, gases with lower molar masses effuse more rapidly. Among the options given, ammonia (NH₃) has the lowest molar mass, making it the gas that effuses most rapidly.
Transcribed Image Text:**Question:** Which of the following gases effuses most rapidly? - Ammonia - Nitrogen - Oxygen - Hydrogen chloride - Carbon monoxide **Correct Answer:** Ammonia **Explanation:** Effusion is the process by which gas molecules escape through a small hole into a vacuum. According to Graham's law of effusion, the rate of effusion of a gas is inversely proportional to the square root of its molar mass. Therefore, gases with lower molar masses effuse more rapidly. Among the options given, ammonia (NH₃) has the lowest molar mass, making it the gas that effuses most rapidly.

**Question:**

Which of these chemical equations does not describe a redox reaction? Show the oxidation states of all elements of the answer you chose.

**Options:**

A) \( 2\text{KBr}(aq) + \text{Cl}_2(g) \rightarrow 2\text{KCl}(aq) + \text{Br}_2(l) \)

B) \( 2\text{Na}(s) + 2\text{H}_2\text{O}(l) \rightarrow 2\text{NaOH}(aq) + \text{H}_2(g) \)

C) \( 2\text{LiOH}(aq) + \text{H}_2\text{SO}_4(aq) \rightarrow \text{Li}_2\text{SO}_4(aq) + 2\text{H}_2\text{O}(l) \)

D) \( 3\text{NO}_2(g) + \text{H}_2\text{O}(l) \rightarrow 2\text{HNO}_3(aq) + \text{NO}(g) \)

E) \( 2\text{KNO}_3(s) \rightarrow 2\text{KNO}_2(s) + \text{O}_2(g) \)
Transcribed Image Text: **Question:** Which of these chemical equations does not describe a redox reaction? Show the oxidation states of all elements of the answer you chose. **Options:** A) \( 2\text{KBr}(aq) + \text{Cl}_2(g) \rightarrow 2\text{KCl}(aq) + \text{Br}_2(l) \) B) \( 2\text{Na}(s) + 2\text{H}_2\text{O}(l) \rightarrow 2\text{NaOH}(aq) + \text{H}_2(g) \) C) \( 2\text{LiOH}(aq) + \text{H}_2\text{SO}_4(aq) \rightarrow \text{Li}_2\text{SO}_4(aq) + 2\text{H}_2\text{O}(l) \) D) \( 3\text{NO}_2(g) + \text{H}_2\text{O}(l) \rightarrow 2\text{HNO}_3(aq) + \text{NO}(g) \) E) \( 2\text{KNO}_3(s) \rightarrow 2\text{KNO}_2(s) + \text{O}_2(g) \)
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