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What is the hypothesis to be answered for the osmosis and diffusion lab?
The hypothesis for an osmosis and diffusion lab could be: "If a semipermeable membrane is placed between two solutions of different concentrations, then water will move from the side with lower solute concentration to the side with higher solute concentration, resulting in a net movement of water through the membrane."
What is diffussion and osmosis?
The difference between diffusion and osmosis is that diffusion is the passive movement of particles from an area of high concentration to an area of low concentration down the concentration gradient. Particles will continue to move until dynamic equilibrium is reached, which is a state where the particles are evenly spread.Osmosis is the movement of water from a hypotonic solution (solution with less concentration) to a hypertonic solution (solution with a greater concentration of solute). Water will move to even the concentration of the two solutions to establish a state where both solutions are isotonic. ( two solutions have the same concentration).
What are two similarities and two differences of osmosis and diffusion?
Similarities: Both osmosis and diffusion involve the movement of molecules across a semi-permeable membrane. Both processes occur due to a concentration gradient, moving from an area of higher concentration to lower concentration. Differences: Osmosis specifically involves the movement of water molecules across a semi-permeable membrane, while diffusion involves the movement of any type of solute. Osmosis is the movement of water molecules to equalize the concentration of solutes on both sides of the membrane, whereas diffusion is the movement of solute molecules to reach equilibrium.
What is osmosis gradient?
Osmosis is the diffusion of water across a water permeable membrane. The gradient is the tendency of the water molecules to move from the side of higher concentration of water to the side with lower concentration of water in an attempt to achieve equilibrium.
What are two ways to increase the rate of diffusion?
Two ways to increase the rate of diffusion are by increasing the concentration gradient, which is the difference in concentration between two areas, and by increasing the temperature, which will boost the energy of the particles and thus their movement.
How is osmosis related to diffusion and what are the key similarities and differences between the two processes?
Osmosis is a type of diffusion that involves the movement of water molecules across a selectively permeable membrane. Both osmosis and diffusion involve the movement of molecules from an area of high concentration to an area of low concentration. The key difference between the two processes is that diffusion refers to the movement of any type of molecule, while osmosis specifically refers to the movement of water molecules.
What is the term for the diffusion of water across the semipermeable membrane?
The term for the diffusion of water across a semipermeable membrane is osmosis. Osmosis is when the molecules of a solvent move from a less concentrated solution to a more concentrated one. This equalizes the concentrations on each side of the member.
What is the difference between bulk motion and diffusion?
The difference between the two is that bulk motion is the flow through the capillary. Diffusion is the movement of the molecules in a fluid.Ê
What two requirements distinguish osmosis from diffusion?
Osmosis involves the movement of water molecules across a semi-permeable membrane, while diffusion involves the movement of particles (e.g., ions, molecules) from an area of higher concentration to an area of lower concentration. The key requirements that distinguish osmosis from diffusion are the presence of a semi-permeable membrane and the movement of water molecules specifically in osmosis.
What are two ways of moving things into and out of cells that do not need?
Diffusion and Osmosis
What substance cannot be moved into a cell by osmosis or diffusion?
Large molecules such as proteins cannot be moved into a cell by osmosis or diffusion due to their size and charge. These molecules require specialized transport mechanisms such as active transport to enter the cell.
What are two ways of moving things into and out of cells that do not need energy?
Diffusion and Osmosis
What are the two ways of moving things into and out of the cells that do not need energy?
osmosis and diffusion
What two processes transport materials through the semi-permable membrane?
Considering the cell membrane itself, processes include diffusion, osmosis, facilitated diffusion (passive processes that do not require energy) and active transport (an active process that requires energy).
What are two forms of passive transport of a cell?
Two forms of passive transport (or transport not involving energy/ATP) are diffusion and facilitated diffusion. Another form is osmosis. Also keep in mind that passive transport is for smaller particles.
Why do scientists use two separate terms to describe diffusion and osmosis?
Diffusion describes dispersion of a contaminant through a bulk fluid. Osmosis describes dispersion of a contaminant through a membrane or divider of some sort.
What is the hypothesis to be answered for the osmosis and diffusion lab?
The hypothesis for an osmosis and diffusion lab could be: "If a semipermeable membrane is placed between two solutions of different concentrations, then water will move from the side with lower solute concentration to the side with higher solute concentration, resulting in a net movement of water through the membrane."
