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please explain to me this entire question and please show with details/explanation why the
answer is D.?
please redo problem so I can understand better. thank you!
5. The enthalpy of solution (AH solution) results from three terms: ??,-due to separation of solute
molecules ??2_ due to separation of solvent molecules ??3-due to interactions between solute
molecules and solvent molecules When will addition of solute to solvent be accompanied by
cooling? A) When ??¡ is very small B) When AH AH2 is very small D) When AHr +AH2AH
is>0
Solution
dH is change in enthalphy ,
when dH is >0 it indicates heat is absorbed
when dH is < 0 it indcates heat is absorbed
In case of D its shown that dH1+dH2+dH3 which is equal to dH solution is > 0
This means heat is absorbed from surroundings ( test tube)
This causes test tube ( surrounding) to lose heat i.e cooling occurs.

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please explain to me this entire question and please show with details.docx

  • 1. please explain to me this entire question and please show with details/explanation why the answer is D.? please redo problem so I can understand better. thank you! 5. The enthalpy of solution (AH solution) results from three terms: ??,-due to separation of solute molecules ??2_ due to separation of solvent molecules ??3-due to interactions between solute molecules and solvent molecules When will addition of solute to solvent be accompanied by cooling? A) When ??¡ is very small B) When AH AH2 is very small D) When AHr +AH2AH is>0 Solution dH is change in enthalphy , when dH is >0 it indicates heat is absorbed when dH is < 0 it indcates heat is absorbed In case of D its shown that dH1+dH2+dH3 which is equal to dH solution is > 0 This means heat is absorbed from surroundings ( test tube) This causes test tube ( surrounding) to lose heat i.e cooling occurs.