1. Which of the following best describes a condition where a membrane separates two solutions that are NOT in equilibrium?

a. a rainbow

b. equilibrium

c.	a homogeneous solution

d. neighboring solutions that have unequal concentrations of molecules

2. In this lab, (diffusion and osmosis) we will use dialysis tubing to....

a. simulate biological membranes

b. separate blood from urine

c. turn starch blue

d. turn starch brown

Expert Solution

1. D. Neighbouring solutions that have unequal concentrations of molecules. Despite the fact the solutions are separated by a membrane, details thereof of the nature if the membrane in transporting the molecules across the to help in homogenising the solution is not mentioned clearly. So abstractly stating the answer will be D.

2. A. Simulate biological membranes. This acts as semipermeable membrane helping in diffusion and osmosis processes using a visking tube where the kidney patients blood could be purified like mimicking the function of kidney.

gladiator answered 2 years ago

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