As a solution freezes, the solid that forms is essentially pure, frozen solvent without any solute molecules incorporated. With this in mind, explain why the freezing point of a solution slowly decreases with time rather than stays constant as with the freezing point of a pure solvent.

because natural gas is colorless, odorless, and tasteless, distributors add mercaptan (a chemical that smells like sulfur) to give natural gas a distinct unpleasant odor (it smells like rotten eggs). they locate the types of rock that are likely to contain natural gas deposits.

water at room temperature is flowing through a pipe with pressure taps located 10 ft apart along one section of the pipe, which are connected to a mercury (s=13.6) manometer.