**Calculating Heat of Reaction from Constant-Pressure Calorimetry**A student dissolves 1.08 g of sodium hydroxide (NaOH) in 200.0 g of water in a well-insulated open cup. She then observes the temperature of the water rise from 21.0 °C to 24.5 °C. Complete the equation for the reaction, then use it along with the ALEKS Data resource to answer the questions below about this reaction:\[ \text{NaOH}(s) \rightarrow \text{Na}^+(aq) + \text{OH}^-(aq) \]You can make any reasonable assumptions about the physical properties of the solution. Be sure answers you calculate using measured data are rounded to 3 significant digits.Note: Unlike other questions, it is possible the student did not do the experiment correctly, and the values you calculate may not be the same as the known and published values for this reaction.1. **Is this reaction exothermic, endothermic, or neither?** - **Exothermic** - **Endothermic** - **Neither**2. **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.** - Enter the amount of heat in kJ. - Calculate the reaction enthalpy \(\Delta H_m\) for one mole of NaOH.Table:- \[ \Delta H_m \] (enthalpy per mole)- \[ \text{kJ} \] (kilojoules)**Explanation and Check:** Clicks for further guidance or to verify the results through a simulation or calculation engine.

Answered: Image /qna-images/answer/b3db9ea0-4263-4da6-aa67-50a66b745c12.jpg

A student dissolves 10.8 g of sodium hydroxide (NaOH)in 200. g of water in a well-insulated open cup. She then observes the temperature of the water rise from 21.0 °C to 34.2 °C over the course of 8.7 minutes. Use this data, and any information you need from the ALEKS Data resource, to answer the questions below about this reaction: NaOH(s) Na (aq) + OH (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 3 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? 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. Calculate the reaction enthalpy AHxn per mole of NaOH. O exothermic endothermic neither 0- kJ mol X

A student dissolves 10.8 g of sodium hydroxide (NaOH)in 200. g of water in a well-insulated open cup. She then observes the temperature of the water rise from 21.0 °C to 34.2 °C over the course of 8.7 minutes. Use this data, and any information you need from the ALEKS Data resource, to answer the questions below about this reaction: NaOH(s) Na (aq) + OH (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 3 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? 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. Calculate the reaction enthalpy AHxn per mole of NaOH. O exothermic endothermic neither 0- kJ mol X

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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