Homework Help: chemistry

Posted by allan on Wednesday, April 2, 2008 at 5:30pm.

The freezing point of a solution is

A. higher than the freezing point of the solvent alone because higher temperature is required to accelerate solvent molecular motion enough to overcome obstruction by solute particles.

B. lower than the freezing point of the solvent alone because lower temperature is required to accelerate solvent molecular motion enough to overcome obstruction by solute particles.

C. lower than the freezing point of the solvent alone because higher temperature is required to accelerate solvent molecular motion enough to overcome obstructon by solute particles..

D. lower than the freezing point of the solvent alone because lower temperature is required to slow solvent molecular motion enough to overcome obstruction by solute particles.

E. None of these are true.

I think the answer is D..is that right?

chemistry - DrBob222, Wednesday, April 2, 2008 at 5:58pm
I would go with D also but it is a TERRIBLY confusing set of answers.
chemistry - jihad, Saturday, April 5, 2008 at 3:43am
i thought it was C, it makes more sense how does a lower temperature make solvent molecules move ffaster when obstructions are in the way? thats like saying i move faster in low temperatures when walls are in the way
chemistry - david, Monday, April 7, 2008 at 2:23am
d is the correct answer

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