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Structure and properties of the unlonosn compaund, Draw the Lewis structure of your compound Is your molecule polar? Which groups (if any) contribute to the polarity of your molecule? What kind of intermolecular forces are present in your compound? How do they relate to observed values for the freecing and boiling temperatures and solubility? Pont Iab Questions. 1. Which pbysical characteristics tarned out to be critical for your unknown? 2. Why were several volume and mass measurements made when determining density? 3. Why was it important to add a boiling stone before doing the boiling determination? 4. Identify the types of intermolecular forces present in the following molecules (use the table): Diethyl ether CH3CH2OCH2CH3 Butanol ButaneCH3CH2CH2CH3 Rank the compounds in terms of their relative strength of intermolecular interaction (increasing trend) Indicate how the boiling point changes as the strength of intermolecular forces increases. 5. Find the boiling points of methanol, ethanol, and propanol. In terms of intermolecular forces, why does the boiling point increase as the molecular weight increases? MethanolCH3OHCH3CH2OHethanolCH3CH2CH2OHpropanol Structure and properties of the unlonosn compaund, Draw the Lewis structure of your compound Is your molecule polar? Which groups (if any) contribute to the polarity of your molecule? What kind of intermolecular forces are present in your compound? How do they relate to observed values for the freecing and boiling temperatures and solubility? Pont Iab Questions. 1. Which pbysical characteristics tarned out to be critical for your unknown? 2. Why were several volume and mass measurements made when determining density? 3. Why was it important to add a boiling stone before doing the boiling determination? 4. Identify the types of intermolecular forces present in the following molecules (use the table): Diethyl ether CH3CH2OCH2CH3 Butanol ButaneCH3CH2CH2CH3 Rank the compounds in terms of their relative strength of intermolecular interaction (increasing trend) Indicate how the boiling point changes as the strength of intermolecular forces increases. 5. Find the boiling points of methanol, ethanol, and propanol. In terms of intermolecular forces, why does the boiling point increase as the molecular weight increases? MethanolCH3OHCH3CH2OHethanolCH3CH2CH2OHpropanol