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 AH exn per mole of KOH. mol

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Chapter1: Chemical Foundations
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Oexothermic
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 AH per mole of KOH.
rxn
mol
Explanation
Check
O 2022 McGraw Hill LLC. AIl Rights Reserved. Terms of Use
MAR
tv
20
Transcribed Image Text:Oexothermic 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 AH per mole of KOH. rxn mol Explanation Check O 2022 McGraw Hill LLC. AIl Rights Reserved. Terms of Use MAR tv 20
A student dissolves 13.5 g of potassium hydroxide (KOH)in 300. g of water in a well-insulated open cup. She then observes the
temperature of the water rise from 20.0 °C to 31.3 °C over the course of 6.8 minutes.
Use this data, and any information you need from the ALEKS Data resource, to answer the questions below about this reaction:
KOH(s) - K* (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.
O exothermic
Is this reaction exothermic, endothermic, or neither?
O endothermic
Cnaither
Explanation
Check
O 2022 McGraw Hill LLC. All Rights Reserved.
Terms of Use Privacy Center| Acce
tv S
MAR
20
MacBook Air
F10
F8
Transcribed Image Text:A student dissolves 13.5 g of potassium hydroxide (KOH)in 300. g of water in a well-insulated open cup. She then observes the temperature of the water rise from 20.0 °C to 31.3 °C over the course of 6.8 minutes. Use this data, and any information you need from the ALEKS Data resource, to answer the questions below about this reaction: KOH(s) - K* (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. O exothermic Is this reaction exothermic, endothermic, or neither? O endothermic Cnaither Explanation Check O 2022 McGraw Hill LLC. All Rights Reserved. Terms of Use Privacy Center| Acce tv S MAR 20 MacBook Air F10 F8
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