A student dissolves 12.5 g of lithium chloride (LICI)in 300. g of water in a well-insulated open cup. He then observes the temperature of the water rise from 21.0 °C to 29.0 °C over the course of 3.3 minutes. Use this data, and any information you need from the ALEKS Data resource, to answer the questions below about this reaction: LICI() Li (ag) + cr (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. Oexothermic Is this reaction exothermic, endothermic, or neither? Oendothermic O neither if you sald the reagion was exothermic or endothermic, calculate the amount of heat that was releaed or absorbed by the reaction in this case. Calculate the reaction enthalpy AH per mole of LICI. mol
A student dissolves 12.5 g of lithium chloride (LICI)in 300. g of water in a well-insulated open cup. He then observes the temperature of the water rise from 21.0 °C to 29.0 °C over the course of 3.3 minutes. Use this data, and any information you need from the ALEKS Data resource, to answer the questions below about this reaction: LICI() Li (ag) + cr (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. Oexothermic Is this reaction exothermic, endothermic, or neither? Oendothermic O neither if you sald the reagion was exothermic or endothermic, calculate the amount of heat that was releaed or absorbed by the reaction in this case. Calculate the reaction enthalpy AH per mole of LICI. mol
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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Transcribed Image Text:A student disolves 12.5 g of lithium chloride (LICI)in 300. g of water in a well-insulated open cup. He then observes the temperature of the water rise from
21.0 °C to 29.0 °C over the course of 3.3 minutes.
Use this data, and any information you need from the ALEKS Data resource, to answer the questions below about this reaction:
LICI(4) - Li (ag) + cr (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.
Oexothermic
Is this reaction exothermic, endothermic, or neither?
O endothermic
O neither
If you sald the reagion was exothermic or endothermic, calculate the amount of
heat that was relealed or absorbed by the reaction in this case,
Calcuiate the reaction enthalpy AH per mole of LICI.
non
mol
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