What ions are present in solution? Write a balanced equation for the reaction of K(s) with H2O(1). 2Kiss Would cesium metal be predicted to be more reactive or less reactive than sodium and potassium?
What ions are present in solution? Write a balanced equation for the reaction of K(s) with H2O(1). 2Kiss Would cesium metal be predicted to be more reactive or less reactive than sodium and potassium?
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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a) what ions are present in the solution of K(s) and H2O(l)?
b) what is the net ionic equation for K(s) and H2O(l)?
c) would cesium metal be predicted to be more reactive or less reactive than sodium and potassium?
![**Text for Educational Website:**
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### Chemistry Exploration: Reactions of Alkali Metals
**What ions are present in solution?**
*Answer:* (Student is expected to fill in the ions present after the reaction is analyzed.)
**Write a balanced equation for the reaction of K(s) with H₂O(l):**
\[ 2K(s) + 2H₂O(l) \rightarrow 2KOH(aq) + H₂(g) \]
This equation represents the reaction of potassium metal (K) with water (H₂O), producing potassium hydroxide (KOH) in an aqueous solution and hydrogen gas (H₂).
**Question:** Would cesium metal be predicted to be more reactive or less reactive than sodium and potassium?
*Answer:* (Student analyzes periodic trends in reactivity, particularly among alkali metals, to give an informed prediction about the reactivity of cesium relative to sodium and potassium.)
---
**Note for Educators:** The text includes a handwritten balanced chemical equation showing the reaction between potassium and water. Encourage students to explore the properties and reactivity trends of alkali metals across the periodic table.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F5014d6a8-882c-467c-b1c9-5ade3eaa5554%2F8d65d49e-7b9e-453d-9dd6-1ce3bcd8d142%2Fzklns7.jpeg&w=3840&q=75)
Transcribed Image Text:**Text for Educational Website:**
---
### Chemistry Exploration: Reactions of Alkali Metals
**What ions are present in solution?**
*Answer:* (Student is expected to fill in the ions present after the reaction is analyzed.)
**Write a balanced equation for the reaction of K(s) with H₂O(l):**
\[ 2K(s) + 2H₂O(l) \rightarrow 2KOH(aq) + H₂(g) \]
This equation represents the reaction of potassium metal (K) with water (H₂O), producing potassium hydroxide (KOH) in an aqueous solution and hydrogen gas (H₂).
**Question:** Would cesium metal be predicted to be more reactive or less reactive than sodium and potassium?
*Answer:* (Student analyzes periodic trends in reactivity, particularly among alkali metals, to give an informed prediction about the reactivity of cesium relative to sodium and potassium.)
---
**Note for Educators:** The text includes a handwritten balanced chemical equation showing the reaction between potassium and water. Encourage students to explore the properties and reactivity trends of alkali metals across the periodic table.
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