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To no one's surprise, the only one who's been getting burned is Wile E. Coyote. Good thing he has a few ACME brand instant cold packsl These cold packs contain ammonium nitrate and water, separated by a thin plastic divider. When the divider is broken, the ammonium nitrate dissolves according to the following endothermic reaction: NH,NO3 (8) → NH,* (aq) + NO,¯(aq) As Wile E. Coyote ices his wounds and plans his next move, he wants to measure the enthalpy change for this reaction (maybe he's smarter than he seemsl). 1.05 g of NH,NO3 is dissolved in enough water to make a solution with a mass of 27.0 g The initial temperature 26.3 °C and the final temperature (after the solid dissolves) is 20.7 °C. Part A Based on the information given, what is the total heat (grxn) associated with the dissolution of the NH,NO3 ? You may assume that the solution that forms has a heat capacity equivalent to water, 4.184 J g. C- Express your answer to two significant figures. ?

To no one's surprise, the only one who's been getting burned is Wile E. Coyote. Good thing he has a few ACME brand instant cold packsl These cold packs contain ammonium nitrate and water, separated by a thin plastic divider. When the divider is broken, the ammonium nitrate dissolves according to the following endothermic reaction: NH,NO3 (8) → NH,* (aq) + NO,¯(aq) As Wile E. Coyote ices his wounds and plans his next move, he wants to measure the enthalpy change for this reaction (maybe he's smarter than he seemsl). 1.05 g of NH,NO3 is dissolved in enough water to make a solution with a mass of 27.0 g The initial temperature 26.3 °C and the final temperature (after the solid dissolves) is 20.7 °C. Part A Based on the information given, what is the total heat (grxn) associated with the dissolution of the NH,NO3 ? You may assume that the solution that forms has a heat capacity equivalent to water, 4.184 J g. C- Express your answer to two significant figures. ?

Introduction to Chemical Engineering Thermodynamics
Introduction to Chemical Engineering Thermodynamics
8th Edition
ISBN:9781259696527
Author:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Publisher:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Chapter1: Introduction
Section: Chapter Questions
Problem 1.1P
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To no one's surprise, the only one who's been getting burned is Wile E. Coyote. Good thing he has a few ACME brand instant cold packs! These cold packs contain ammonium nitrate and water, separated by a thin plastic divider. When the divider is broken, the ammonium nitrate dissolves according to the following endothermic reaction: NH,NO3(s) → NH,+(ag) + NO3 (ag) As Wile E. Coyote ices his wounds and plans his next move, he wants to measure the enthalpy change for this reaction (maybe he's smarter than he seems!). 1.05 g of NH,N03 is dissolved in enough water to make a solution with a mass of 27.0 g. The initial temperature is 26.3 °C and the final temperature (after the solid dissolves) is 20.7 ° C. Part A Based on the information given, what is the total heat (gryn) associated with the dissolution of the NH,NO3 ? You may assume that the solution that forms has a heat capacity equivalent to water, 4.184 J. g 1.º C-1 Express your answer to two significant figures. qrxn = J
Transcribed Image Text:To no one's surprise, the only one who's been getting burned is Wile E. Coyote. Good thing he has a few ACME brand instant cold packs! These cold packs contain ammonium nitrate and water, separated by a thin plastic divider. When the divider is broken, the ammonium nitrate dissolves according to the following endothermic reaction: NH,NO3(s) → NH,+(ag) + NO3 (ag) As Wile E. Coyote ices his wounds and plans his next move, he wants to measure the enthalpy change for this reaction (maybe he's smarter than he seems!). 1.05 g of NH,N03 is dissolved in enough water to make a solution with a mass of 27.0 g. The initial temperature is 26.3 °C and the final temperature (after the solid dissolves) is 20.7 ° C. Part A Based on the information given, what is the total heat (gryn) associated with the dissolution of the NH,NO3 ? You may assume that the solution that forms has a heat capacity equivalent to water, 4.184 J. g 1.º C-1 Express your answer to two significant figures. qrxn = J
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