Answer to Question #326726 in General Chemistry for Justin

Question

1. A semipermeable membrane allows

A. Only solute particles through

B. Only solvent particles through

C. Neither solute nor solvent particles

D. Both solute and solvent particles through

2. When you place a straw into a glass of water, the water seems to climb up the straw before you even place your mouth on the straw. Which property of water is related to this phenomenon? *

A. Water has high specific heat.

B. Water has a high heat of vaporization.

C. Water is a liquid at normal physiological temperature.

D. Water molecules are adhesive; they form H-bonds with polar surfaces.

3. Which statement is true about catalysts? *

A. They speed up the reaction.

B. They are unrecovered at the end of the reaction.

C. The amount of catalysts decreases as the reaction continues.

D. They can slow down the reaction by consuming the reactants.

Answer 1

1 - В

2 - D

3 - A