A student dissolves 13.8 g of lithium chloride (LİCI)in 200. g of water in a well-insulated open cup. She then observes the temperature of the water rise from 22.0 °C to 33.7 °C over the course of 5.7 minutes. Use this data, and any information you need from the ALEKS Data resource, to answer the questions below about this reaction: LİCI(s) → Li* (aq) + CI (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. 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 Calculate the reaction enthalpy AHo per mole of LiCl. mol
A student dissolves 13.8 g of lithium chloride (LİCI)in 200. g of water in a well-insulated open cup. She then observes the temperature of the water rise from 22.0 °C to 33.7 °C over the course of 5.7 minutes. Use this data, and any information you need from the ALEKS Data resource, to answer the questions below about this reaction: LİCI(s) → Li* (aq) + CI (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. 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 Calculate the reaction enthalpy AHo per mole of LiCl. mol
Chemistry: The Molecular Science
5th Edition
ISBN:9781285199047
Author:John W. Moore, Conrad L. Stanitski
Publisher:John W. Moore, Conrad L. Stanitski
Chapter12: Chemical Equilibrium
Section: Chapter Questions
Problem 84QRT
Related questions
Question
please use the photo attached for the information
![A student dissolves 13.8 g of lithium chloride (LiCl)in 200. g of water in a well-insulated open cup. She then observes the temperature of the
water rise from 22.0 °C to 33.7 °C over the course of 5.7 minutes.
Use this data, and any information you need from the ALEKS Data resource, to answer the questions below about this reaction:
LICI(s)
Li* (aq) + 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 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.
exothermic
Ox10
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
Calculate the reaction enthalpy AH,
rxn
per mole of LiCl.
mol](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F1e77a53e-015e-4d74-8706-0af5e82649c9%2F88763b4b-ed39-4a77-8349-c803019f811c%2F8g20o9_processed.png&w=3840&q=75)
Transcribed Image Text:A student dissolves 13.8 g of lithium chloride (LiCl)in 200. g of water in a well-insulated open cup. She then observes the temperature of the
water rise from 22.0 °C to 33.7 °C over the course of 5.7 minutes.
Use this data, and any information you need from the ALEKS Data resource, to answer the questions below about this reaction:
LICI(s)
Li* (aq) + 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 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.
exothermic
Ox10
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
Calculate the reaction enthalpy AH,
rxn
per mole of LiCl.
mol
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