Consider the evaporation of methanol at 25.0∘c: ch3oh(l)→ch3oh(g). you may want to reference (pages 826 - 829) section 18.9 while completing this problem. part a part complete find δg∘ at 25.0∘c. express the free energy change in kilojoules to one decimal place. δg∘ = 4.3 kj

The free energy change is 3.88 kJ

Explanation:

Please, the solution is in the attached Word file

hydrocarbons are organic compounds that contain only hydrogens and carbons. they can be saturated (those which contain only carbon-carbon single bonds) or unsaturated (those which contain carbon-carbon double or triple bonds) in nature. hydrocarbons can undergo several reactions like substitution, elimination etc.  

on substituting one or more hydrogen atoms in hydrocarbon it results in the formation of haloalkane. as the halogen atoms are large compared to the carbon and hydrogen atoms, due to which the molecular weight increases and the bond become polar because of presence electronegative halogen atom and results in the increase in boiling point of the haloalkane.

thus, the correct option is (b) that is the boiling point of the new compound increases on substituting a hydrogen atom with a halogen in a hydrocarbon.