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A small ? int of methanol (CH3OH) is dissolved in a large amount of water. Imagine separating this process into the four stages sketched below. (These sketches show only a portion of the substances, so you can see the density and distribution of atoms and molecules in them.) CH3OH H20 solution Use these sketches to answer the questions in the table below The enthalpy of solution ?H iS positive when soln ?,?, CH30H dissolves in water. Use this information to list the stages in order of increasing enthalpy absorbed released neither absorbed nor released none Would heat be absorbed or released if the system moved from Stage A to B? O ionic bonding force covalent bonding force O metal bonding force O hydrogen-bonding force What force would oppose or favor the system moving from Stage A to B? Check all that apply dipole force ion-dipole force dispersion force

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Answer #1

The enthalpy of solution is positive when Increasing order of enthalp soln CH3OH dissolves in water. Use this information to

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Answer #2

A,D,B,C 

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Hydrogen-bonding force, dipole forces, dispersion force

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