What happened to the food coloring dropped in the bottle containing water after one day?
Answer Expert Verified * the food coloring drops on the water, as it drops, it spreads throughout the bottle smoothly. * when it spreads, it’s starting to loss its color. * when dropped on the water, it spreads in any direction.
Why did the dye molecules move?
Random movements of the dye and water molecules cause them to bump into each other and mix. Thus, the dye molecules move from an area of higher concentration to an area of lower concentration. Eventually, they are evenly spread throughout the solution.
How do items get into or out of the cell?
Water, carbon dioxide, and oxygen are among the few simple molecules that can cross the cell membrane by diffusion (or a type of diffusion known as osmosis ). Diffusion is one principle method of movement of substances within cells, as well as the method for essential small molecules to cross the cell membrane.
How does salt move into a cell?
Salt triggers osmosis by attracting the water and causing it to move toward it, across the membrane. Salt is a solute. If the concentration of salt inside a cell is the same as the concentration of salt outside the cell, the water level will stay the same, creating an isotonic solution.
What does salt water do to a cell?
If the solution is hypotonic— having a lower concentration of solute and higher concentration of water molecules—the cells will gain water and swell. Saltwater from the ocean is hypertonic to the cells of the human body since it has more salt in it. Cells, as a result, lose water and shrink (see Figure L3.
Why should we not drink salt water?
Why can’t people drink sea water? Seawater is toxic to humans because your body is unable to get rid of the salt that comes from seawater. Your body normally gets rid of excess salt by having the kidneys produce urine, but it needs freshwater to dilute the salt in your body for the kidneys to work properly.
Why does salt water shrink gummy bears?
The mass and volume of a gummy bear that is placed in a salt solution will decrease due to the effect of osmosis. When placed in water, a hypotonic solution, the gummy bear will expand in size and volume due to the water entering it.
Why is drinking sea water bad for you?
Since your blood is a little salty (around 9 grams of salt per liter), pouring freshwater straight into your veins would make the blood cells absorb the freshwater and burst (seawater, by comparison, generally has around 35 grams of salt per liter, which is why it’s so bad to drink instead of normal water).
Is it better to drink distilled or spring water?
Distilled water’s little victory. Distilled water may lack the minerals and nutrients of spring and mineral water, but the distilling process can be used to remove toxic metals and chemicals from the water. While there are home distillers, it is best to go with industrially distilled water instead.