The Solutions in the Arms of a U-Tube Are Separated

question 4

Multiple Choice

The solutions in the arms of a U-tube are separated at the bottom of the tube by a selectively permeable membrane. The membrane is permeable to sodium chloride but not to glucose. Side A is filled with a solution of 0.4 M glucose and 0.5 M sodium chloride (NaCl) , and side B is filled with a solution containing 0.8 M glucose and 0.4 M sodium chloride. Initially, the volume in both arms is the same.
-Refer to the figure. If you examine side A after three days, you should find ________.

• A) a decrease in the concentration of NaCl and glucose and an increase in the water level
• B) a decrease in the concentration of NaCl, an increase in the water level, and no change in the concentration of glucose
• C) no net change in the system
• D) a decrease in the concentration of NaCl and a decrease in the water level
• E) no change in the concentration of NaCl and glucose and an increase in the water level

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Definitions:

Overextension

A language development error in which a child applies a word to more objects than it actually represents, demonstrating an understanding but not precise use of words.

Oversemanticizing

The process of excessively analyzing or interpreting the meanings of words beyond their direct or literal context.

Gestural Language

A form of non-verbal communication using movements of the hands, arms, or body to convey messages.

Auditory Contact

The perception of sounds by the ear or the psychological connection and communication established through hearing.