A small amount of methanol (CH,OH) is dissolved in a large amount of water. Imagine separating this process into the four stagessketched below. (These sketches show only a portion of the substances, so you can see the density and distribution of atoms andmolecules in them.)ВCH, ОНH,0solutionUse these sketches to answer the questions in the table below. The enthalpy of solution AHsolnis positive whenCH3OH dissolves in water. Use this information tolist the stages in order of increasing enthalpy.absorbedWould heat be absorbed or released if the systemmoved from Stage C to D?releasedneither absorbed nor releasednoneionic bonding forcecovalent bonding forcemetal bonding forceWhat force would oppose or favor the systemmoving from Stage C to D? Check all that apply.O hydrogen-bonding forcedipole forceion-dipole forcedispersion force

Enthalpy is the heat absorbed or released by the system when work is done. If energy is added to the…

A small amount of methanol (CH,OH) 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.) D CH,OH H,O solution Use these sketches to answer the questions in the table below.

A small amount of methanol (CH,OH) 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.) D CH,OH H,O solution Use these sketches to answer the questions in the table below.

Introductory Chemistry: A Foundation

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Chapter9: Chemical Quantities

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Problem 1QAP: hat do the coefficients of a balanced chemical equation tell us about the proportions in which atoms...

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Concept explainers

States of Matter

The substance that constitutes everything in the universe is known as matter. Matter comprises atoms which in turn are composed of electrons, protons, and neutrons. Different atoms combine together to give rise to molecules that act as a foundation for all kinds of substances. There are five states of matter based on their energies of attraction, namely solid, liquid, gases, plasma, and BEC (Bose-Einstein condensates).

Chemical Reactions and Equations

When a chemical species is transformed into another chemical species it is said to have undergone a chemical reaction. It consists of breaking existing bonds and forming new bonds by changing the position of electrons. These reactions are best explained using a chemical equation.

Question

A small amount of methanol (CH,OH) 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.)
В
CH, ОН
H,0
solution
Use these sketches to answer the questions in the table below.

The enthalpy of solution AH
soln
is positive when
CH3OH dissolves in water. Use this information to
list the stages in order of increasing enthalpy.
absorbed
Would heat be absorbed or released if the system
moved from Stage C to D?
released
neither absorbed nor released
none
ionic bonding force
covalent bonding force
metal bonding force
What force would oppose or favor the system
moving from Stage C to D? Check all that apply.
O hydrogen-bonding force
dipole force
ion-dipole force
dispersion force

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