Some measurements of the initial rate of a certain reaction are given in the table below. [N2] | [H2] initial rate of reaction 0.849 M 1.92 M 88.0 M/s 0.849 M 4.04 M 390. M/s 0.359 M 1.92 M 15.7 M/s Use this information to write a rate law for this reaction, and calculate the value of the rate constant k. Round your value for the rate constant to 3 significant digits. Also be sure your answer has the correct unit symbol. rate - kO k = 0

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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**Text for Educational Website**

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Some measurements of the initial rate of a certain reaction are given in the table below.

| \([\text{N}_2]\) | \([\text{H}_2]\) | Initial Rate of Reaction |
|------------------|------------------|--------------------------|
| 0.849 M          | 1.92 M           | 88.0 M/s                 |
| 0.849 M          | 4.04 M           | 390. M/s                 |
| 0.359 M          | 1.92 M           | 15.7 M/s                 |

Use this information to write a rate law for this reaction, and calculate the value of the rate constant \( k \).

Round your value for the rate constant to 3 significant digits. Also, be sure your answer has the correct unit symbol.

---

**Diagram Explanation**

The diagram contains fields for entering the rate law and the rate constant \( k \).

1. **Rate Law Field**: An empty box to input the rate law equation.
2. **Rate Constant Field**: An empty box to input the calculated value of the rate constant \( k \).
3. **Additional Symbols**: Mathematical symbols to aid in writing the expression, including exponents and multiplication symbols.
4. **Functionality Icons**:
   - **Checkmark**: To submit the answer.
   - **Reset Icon**: To clear the input fields.
   - **Help Icon**: To provide assistance with entering expressions.

---

This setup allows students to apply stoichiometric relationships and kinetic principles to derive the rate law and determine the rate constant for the reaction.
Transcribed Image Text:**Text for Educational Website** --- Some measurements of the initial rate of a certain reaction are given in the table below. | \([\text{N}_2]\) | \([\text{H}_2]\) | Initial Rate of Reaction | |------------------|------------------|--------------------------| | 0.849 M | 1.92 M | 88.0 M/s | | 0.849 M | 4.04 M | 390. M/s | | 0.359 M | 1.92 M | 15.7 M/s | Use this information to write a rate law for this reaction, and calculate the value of the rate constant \( k \). Round your value for the rate constant to 3 significant digits. Also, be sure your answer has the correct unit symbol. --- **Diagram Explanation** The diagram contains fields for entering the rate law and the rate constant \( k \). 1. **Rate Law Field**: An empty box to input the rate law equation. 2. **Rate Constant Field**: An empty box to input the calculated value of the rate constant \( k \). 3. **Additional Symbols**: Mathematical symbols to aid in writing the expression, including exponents and multiplication symbols. 4. **Functionality Icons**: - **Checkmark**: To submit the answer. - **Reset Icon**: To clear the input fields. - **Help Icon**: To provide assistance with entering expressions. --- This setup allows students to apply stoichiometric relationships and kinetic principles to derive the rate law and determine the rate constant for the reaction.
The acid dissociation constant \( K_a \) of alloxanic acid \((\text{HC}_4\text{H}_3\text{N}_2\text{O}_5)\) is \(2.24 \times 10^{-7}\).

Calculate the pH of a \(0.51 \, M\) solution of alloxanic acid. Round your answer to 1 decimal place.

\[ \text{pH} = \]

There is a text box for entering the calculated pH value, followed by options to clear the input, reset the calculation, or get help, indicated by an "X," a circular arrow, and a question mark respectively.
Transcribed Image Text:The acid dissociation constant \( K_a \) of alloxanic acid \((\text{HC}_4\text{H}_3\text{N}_2\text{O}_5)\) is \(2.24 \times 10^{-7}\). Calculate the pH of a \(0.51 \, M\) solution of alloxanic acid. Round your answer to 1 decimal place. \[ \text{pH} = \] There is a text box for entering the calculated pH value, followed by options to clear the input, reset the calculation, or get help, indicated by an "X," a circular arrow, and a question mark respectively.
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