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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Question
![**Question 3:**
How much heat in kilojoules is evolved in the reaction of 1.00 g of Na with H₂O?
\[ \text{2Na(s) + 2H}_2\text{O(l) → 2NaOH(aq) + H}_2\text{(g)} \]
\[ \Delta H° = -368.4 \, \text{kJ} \]
[Space for calculation or answer]
**Explanation:**
This question involves calculating the heat evolved during a chemical reaction between sodium (Na) and water (H₂O). The chemical equation provided shows the reaction producing sodium hydroxide (\[\text{NaOH}\]) and hydrogen gas (\[\text{H}_2\]). The enthalpy change (\[\Delta H°\]) is given as -368.4 kJ, indicating that the reaction is exothermic.
**Graphs/Diagrams Explanation:**
There are no graphs or diagrams included in this image.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F55be1a89-02e3-4231-bc83-991ffe2eae5d%2F19014ede-7327-4bb6-80a3-a5021d63c398%2Fsg6bjz_processed.jpeg&w=3840&q=75)
Transcribed Image Text:**Question 3:**
How much heat in kilojoules is evolved in the reaction of 1.00 g of Na with H₂O?
\[ \text{2Na(s) + 2H}_2\text{O(l) → 2NaOH(aq) + H}_2\text{(g)} \]
\[ \Delta H° = -368.4 \, \text{kJ} \]
[Space for calculation or answer]
**Explanation:**
This question involves calculating the heat evolved during a chemical reaction between sodium (Na) and water (H₂O). The chemical equation provided shows the reaction producing sodium hydroxide (\[\text{NaOH}\]) and hydrogen gas (\[\text{H}_2\]). The enthalpy change (\[\Delta H°\]) is given as -368.4 kJ, indicating that the reaction is exothermic.
**Graphs/Diagrams Explanation:**
There are no graphs or diagrams included in this image.
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