exothermic Is this reaction exothermic, endothermic, or neither? O endothermic O neither If you said the reaction was exothermic or endothermic, calculate the amount of heat that was released or absorbed by the reaction in this case. O kJ kJ Calculate the reaction enthalpy AHvn per mole of NH,Cl. rxn mol
exothermic Is this reaction exothermic, endothermic, or neither? O endothermic O neither If you said the reaction was exothermic or endothermic, calculate the amount of heat that was released or absorbed by the reaction in this case. O kJ kJ Calculate the reaction enthalpy AHvn per mole of NH,Cl. rxn mol
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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please use the photo attached for the information
![A student dissolves 12.9 g of ammonium chloride (\( \text{NH}_4\text{Cl} \)) in 300. g of water in a well-insulated open cup. She then observes the temperature of the water fall from 20.0 °C to 16.9 °C over the course of 4.6 minutes.
Use this data, and any information you need from the ALEKS Data resource, to answer the questions below about this reaction:
\[ \text{NH}_4\text{Cl} (s) \rightarrow \text{NH}_4^+ (aq) + \text{Cl}^- (aq) \]
You can make any reasonable assumptions about the physical properties of the solution. Be sure answers you calculate using measured data are rounded to 2 significant digits.
*Note for advanced students: it's possible the student did not do the experiment carefully, and the values you calculate may not be the same as the known and published values for this reaction.*
---
**Is this reaction exothermic, endothermic, or neither?**
- [ ] exothermic
- [ ] endothermic
- [ ] neither
---
**If you said the reaction was exothermic or endothermic, calculate the amount of heat that was released or absorbed by the reaction in this case.**
\[ \_\_\_\_ \, \text{kJ} \]
---
**Calculate the reaction enthalpy \( \Delta H_{\text{rxn}} \) per mole of \( \text{NH}_4\text{Cl} \).**
\[ \frac{\_\_\_\_ \, \text{kJ}}{\text{mol}} \]](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F1e77a53e-015e-4d74-8706-0af5e82649c9%2F7597c58e-01cd-4fef-9550-6f4649a1ebd2%2Fqp9xs7_processed.png&w=3840&q=75)
Transcribed Image Text:A student dissolves 12.9 g of ammonium chloride (\( \text{NH}_4\text{Cl} \)) in 300. g of water in a well-insulated open cup. She then observes the temperature of the water fall from 20.0 °C to 16.9 °C over the course of 4.6 minutes.
Use this data, and any information you need from the ALEKS Data resource, to answer the questions below about this reaction:
\[ \text{NH}_4\text{Cl} (s) \rightarrow \text{NH}_4^+ (aq) + \text{Cl}^- (aq) \]
You can make any reasonable assumptions about the physical properties of the solution. Be sure answers you calculate using measured data are rounded to 2 significant digits.
*Note for advanced students: it's possible the student did not do the experiment carefully, and the values you calculate may not be the same as the known and published values for this reaction.*
---
**Is this reaction exothermic, endothermic, or neither?**
- [ ] exothermic
- [ ] endothermic
- [ ] neither
---
**If you said the reaction was exothermic or endothermic, calculate the amount of heat that was released or absorbed by the reaction in this case.**
\[ \_\_\_\_ \, \text{kJ} \]
---
**Calculate the reaction enthalpy \( \Delta H_{\text{rxn}} \) per mole of \( \text{NH}_4\text{Cl} \).**
\[ \frac{\_\_\_\_ \, \text{kJ}}{\text{mol}} \]
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