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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How many grams of NaClO3 were decomposed?
![## Stoichiometry with Partial Pressure
### Diagram Explanation:
The diagram illustrates the setup for collecting oxygen gas over water. It includes:
- A reaction flask containing the mixture.
- A delivery tube that transfers the gas to a gas jar.
- A gas jar positioned over a trough of water with a bee hive shelf, where gas collects.
### Chemical Equation:
\[ 2 \text{NaClO}_3 (s) \rightarrow 2 \text{NaCl} (s) + 3 \text{O}_2 (g) \]
### Problem Description:
A sample of NaClO\(_3\) is partially decomposed by heating, releasing O\(_2\) gas collected over water.
- **Volume of gas collected**: \(2.50 \times 10^{-4} \, \text{m}^3\) or \(0.25 \, \text{L}\)
- **Temperature**: \(26^\circ \text{C}\) or \(299.15 \, \text{K}\)
- **Total pressure**: \(102 \, \text{kPa}\) or \(1.18 \, \text{atm}\)
- **Pressure of water vapor at \(26^\circ \text{C}\)**: \(25 \, \text{torr}\) or \(0.033 \, \text{atm}\)
### Questions:
1. How many grams of NaClO\(_3\) were decomposed?
2. What atom was oxidized?
3. What atom was reduced?
### Calculations:
\[ n = \frac{PV}{RT} \]
- \( n = \frac{(1.18)(0.25)}{(0.082)(299.15)} = 0.012 \, \text{mol} \)
### Assignment:
- **Oxidized**: ______
- **Reduced**: ______
- **NaClO\(_3\) decomposed**: ______ g
*Complete the following based on the provided data and calculations.*](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fbef22ae9-6f93-4616-9663-72e198054019%2Fe5082ff4-9912-457b-949c-aa02a6abafa0%2Fovncnve_processed.jpeg&w=3840&q=75)
Transcribed Image Text:## Stoichiometry with Partial Pressure
### Diagram Explanation:
The diagram illustrates the setup for collecting oxygen gas over water. It includes:
- A reaction flask containing the mixture.
- A delivery tube that transfers the gas to a gas jar.
- A gas jar positioned over a trough of water with a bee hive shelf, where gas collects.
### Chemical Equation:
\[ 2 \text{NaClO}_3 (s) \rightarrow 2 \text{NaCl} (s) + 3 \text{O}_2 (g) \]
### Problem Description:
A sample of NaClO\(_3\) is partially decomposed by heating, releasing O\(_2\) gas collected over water.
- **Volume of gas collected**: \(2.50 \times 10^{-4} \, \text{m}^3\) or \(0.25 \, \text{L}\)
- **Temperature**: \(26^\circ \text{C}\) or \(299.15 \, \text{K}\)
- **Total pressure**: \(102 \, \text{kPa}\) or \(1.18 \, \text{atm}\)
- **Pressure of water vapor at \(26^\circ \text{C}\)**: \(25 \, \text{torr}\) or \(0.033 \, \text{atm}\)
### Questions:
1. How many grams of NaClO\(_3\) were decomposed?
2. What atom was oxidized?
3. What atom was reduced?
### Calculations:
\[ n = \frac{PV}{RT} \]
- \( n = \frac{(1.18)(0.25)}{(0.082)(299.15)} = 0.012 \, \text{mol} \)
### Assignment:
- **Oxidized**: ______
- **Reduced**: ______
- **NaClO\(_3\) decomposed**: ______ g
*Complete the following based on the provided data and calculations.*
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