Part 1 (1 point) Sort the following molecular representations based on the dominant intermolecular forces present in a pure sample of each substance. Items (4 images) (Drag and drop into the appropriate area below) Ethanol Ethane Dimethyl ether Acetic acid
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Step 1: Identify the intermolecular forces present in each compound. Show more…
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Using the information below, place the compounds listed in order of increasing intermolecular attractions. For each substance list all types of intermolecular forces that are important. $$ \begin{array}{lc} \hline \text { Compound } & \text { Normal Boiling Point }\left({ }^{\circ} \mathrm{C}\right) \\ \hline \mathrm{SO}_{2} & -10 \\ \mathrm{NH}_{3} & -33.4 \\ \mathrm{CH}_{4} & -161.5 \\ \mathrm{H}_{2} \mathrm{O} & 100 \\ \hline \end{array} $$
The fluorides of the second-period elements and their melting points are: LiF, $845^{\circ} \mathrm{C} ; \mathrm{BeF}_{2}, 800^{\circ} \mathrm{C}$ $\mathrm{BF}_{3},-126.7^{\circ} \mathrm{C} ; \mathrm{CF}_{4},-184^{\circ} \mathrm{C} ; \mathrm{NF}_{3},-206.6^{\circ} \mathrm{C}$ $\mathrm{OF}_{2}, -223.8^{\circ} \mathrm{C} ; \mathrm{F}_{2}, -219.6^{\circ} \mathrm{C} .$ Classify the type(s) of intermolecular forces present in each compound.
Consider the kinds of intermolecular forces present in the following compounds, and rank the substances in likely order of increasing boiling point: $\mathrm{H}_{2} \mathrm{S}$ $(34 \mathrm{amu}), \mathrm{CH}_{3} \mathrm{OH}(32 \mathrm{amu}), \mathrm{C}_{2} \mathrm{H}_{6}(30 \mathrm{amu}), \mathrm{Ar}(40 \mathrm{amu})$
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