Answer to Question #204339 in General Chemistry for Nadia

Question #204339

10) The standard enthalpies of formation of ions in aqueous solutions are obtained by arbitrarily assigning a value of zero to H+ ions; that is, ∆H°f [H+(aq)]=0.

a) For the following reaction

H2O

 HCl(g)

Calculate the ∆H°f for the Cl- iron.

H+(aq) + Cl- ∆H°=-74.9 kJ/mol

 

b) Given that ∆H°f for OH- ions is -229 kJ/mol, calculate the enthalpy of neutralization when 1 mole of a strong monoprotic acid (such as HCl) is titrated by 1 mol of a strong base (such as KOH) at 25°C.


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2021-06-10T03:33:44-0400

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