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A student dissolves 12.3 g of ammonium nitrate (NH, NO,) in 300. g of water in a well-insulated open cup. She then observes the temperature of the water fall from 22.0 °C to 18.4 °C over the course of 8.1 minutes. Use this data, and any information you need from the ALEKS Data resource, to answer the questions below about this reaction: NH,NO, (s) NH (aq) + NO, (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. O 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. | kJ kJ Calculate the reaction enthalpy AHvn per mole of NH¼NO3: mol

A student dissolves 12.3 g of ammonium nitrate (NH, NO,) in 300. g of water in a well-insulated open cup. She then observes the temperature of the water fall from 22.0 °C to 18.4 °C over the course of 8.1 minutes. Use this data, and any information you need from the ALEKS Data resource, to answer the questions below about this reaction: NH,NO, (s) NH (aq) + NO, (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. O 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. | kJ kJ Calculate the reaction enthalpy AHvn per mole of NH¼NO3: mol

Chemistry
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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A student dissolves 12.3 g of ammonium nitrate (NH, NO,) in 300. g of water in a well-insulated open cup. She then observes the temperature of the water fall from 22.0 °C to 18.4 °C over the course of 8.1 minutes. Use this data, and any information you need from the ALEKS Data resource, to answer the questions below about this reaction: NH, NO, (s) → (8) NH (aq) + NO, (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. exothermic Is this reaction exothermic, endothermic, or neither? 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. | kJ kJ Calculate the reaction enthalpy AHo per mole of NH, NO2. rxn mol
Transcribed Image Text:A student dissolves 12.3 g of ammonium nitrate (NH, NO,) in 300. g of water in a well-insulated open cup. She then observes the temperature of the water fall from 22.0 °C to 18.4 °C over the course of 8.1 minutes. Use this data, and any information you need from the ALEKS Data resource, to answer the questions below about this reaction: NH, NO, (s) → (8) NH (aq) + NO, (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. exothermic Is this reaction exothermic, endothermic, or neither? 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. | kJ kJ Calculate the reaction enthalpy AHo per mole of NH, NO2. rxn mol
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