Draw the molecular picture that shows the particles present in water when CH3CHO is dissolved in water at room temperature.

If a salt is added to water, which of the following is likely to occur? a.The boiling point will increase and the freezing point will decrease. b.The boiling point will increase and the freezing point will increase. c.The boiling point will decrease and the freezing point will decrease. d.The boiling point will decrease and the freezing point will increase.

In your own words, explain why (a) seawater has a lower freezing point than fresh water. (b) salt is added to the ice in an ice cream maker to freeze the ice cream faster.

When a doughnut is placed on a napkin, the napkin will often absorb a liquid and appear moist. What is most likely the nature of the liquid?