Textbook Question
The first stage of treatment at a reverse osmosis plant is to flow the water through rock, sand, and gravel as shown here. Would this step remove particulate matter? Would this step remove dissolved salts?
14. Solutions
Osmosis
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Which of the following statements about osmosis is correct?
A
Osmosis occurs only in non-living systems.
B
Osmosis is the movement of solvent molecules through a semipermeable membrane from a region of lower solute concentration to a region of higher solute concentration.
C
Osmosis requires energy in the form of ATP to occur.
D
Osmosis is the movement of solute molecules from a region of lower concentration to a region of higher concentration.
Verified step by step guidance1
Identify the key concept: Osmosis is a process involving the movement of solvent molecules, not solute molecules.
Understand the direction of movement: In osmosis, solvent molecules move from a region of lower solute concentration to a region of higher solute concentration.
Recognize the role of the semipermeable membrane: Osmosis occurs through a semipermeable membrane that allows only certain molecules, typically solvent molecules, to pass through.
Clarify the energy requirement: Osmosis is a passive process and does not require energy in the form of ATP.
Evaluate the statements: Compare each statement with the correct definition of osmosis to determine which one accurately describes the process.
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