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Question 13.2.1: Predict whether each liquid is likely to be miscible with wa......

Predict whether each liquid is likely to be miscible with water.
a. Methylamine, CH_{3}NH_{2}
b. Hexane, CH_{3}CH_{2}CH_{2}CH_{2}CH_{2}CH_{3}

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You are asked to predict whether a liquid is miscible with water.
You are given the chemical formula for the compound.
Water is a polar molecule, and there are strong hydrogen bonds between water molecules in the liquid state.
a. Methylamine is a polar molecule. Based on the “like dissolves like” general rule, methylamine and water are miscible because they are both polar. In addition, both can form hydrogen bonds, a strong IMF.
b. Hexane is a nonpolar molecule. Based on the “like dissolves like” general rule, hexane and water are immiscible because they do not have similar IMFs.

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