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In what state of matter do molecules bounce off one another rapidly and act freely?
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What kinds of molecules freely diffuse across a semipermeable membrane?
Water molecules freely diffuse across a semipermeable membrane.
Describe how molecules move in fluid?
Molecules, due to constant thermal motion, enables them to move from one region to another with a velocity that depends on their mass, shape, the temperature and viscosity of the medium. Brownian motion is also a factor - this is where the bombardment of the molecules are taken into consideration (colliding with one another).
What allows some molecules to pass through freely while limiting passage of other molecules?
That is a semi-permeable membrane.
Which molecues cross the membrane of a cell easily and which do not?
Non-polar molecules (such as fatty acids, steroid hormones and O2) pass freely through the cell membrane. Small uncharged molecules (such as H2O) also pass freely, but are slower. Large, polar molecules and ions (such as Na+ and K+) do not pass freely. Macromolecules (such as proteins and polysaccharides) do not pass through the cell membrane. Molecules and ions that cannot pass freely through the cell membrane rely on other means, such as protein transporters, to move in to the cell.
Solubility of azithromycin?
rapidly soluble in methanol , Acetonitrile and partially soluble water .
Why gases compress?
Gases are compressible because their molecules bounce off of each other instead of sticking together. The molecules of solids and liquids stick together instead of moving freely.
Why gases are compressible?
Gases are compressible because their molecules bounce off of each other instead of sticking together. The molecules of solids and liquids stick together instead of moving freely.
What kinds of molecules freely diffuse across a semipermeable membrane?
Water molecules freely diffuse across a semipermeable membrane.
How are water molecules packed when they are in a gaseous state?
The molecules move freely and rapidly in all directions.
How do particles move more freely in a gas then a liquid?
Particles in a liquid, such as water molecules (water being the most common liquid that we encounter here on Earth) attract each other; they are loosely bonded together, in a way that freely shifts around to different arrangements, but which still keeps the molecules close together. With a stronger bond the water freezes to become a solid. In a gas, there is no bond, all the molecules of water vapor move freely without any attachment to any other molecules, because they are too far apart and moving too rapidly for any bond to form.
How are the molecules in a liquid?
How about we look at each of the 3 states (we'll exclude aqueous) and how molecules are bound in each of them. You must understand this though: nomatter what, the molecules will be moving around. However, they bounce off of eachother, almost like the ball in the pinball machine.In a solid, the molecules are extremely compacted, and so when they bounce, there is very little movement going on between them. Think of, in a pinball machine, when the ball gets stuck bouncing over and over between two of the objects. That is like a solid.In a gas, the molecules are freely moving. They have no other molecules hitting them, and that is how they float around so easily.In a liquid, the molecules bounce of eachother, but arent bonded to eachother, and so they each float freely off eachother, though still in the same vicinity, if that makes any sense.
What changes from which state of matter to which state?
Solid-molecules vibrate but are fixed in place. Liquid-molecules are free to move about, but still are attracted to each other. Gas-molecules move freely in any direction until colliding with another molecule.
Describe how molecules move in fluid?
Molecules, due to constant thermal motion, enables them to move from one region to another with a velocity that depends on their mass, shape, the temperature and viscosity of the medium. Brownian motion is also a factor - this is where the bombardment of the molecules are taken into consideration (colliding with one another).
The least dense and most energetic of the three states of matter is the?
Gas as the particles move freely of one another.
In which material do molecules have a greater attractions for each other solid butter or liquid butter?
In solids, molecules have the greatest attractions for one another. That is why molecules in a solid barely move around or switch positions. In gases, the molecules move around quickly and freely, so their attractions are weak. Liquids are in between. So, to answer: solid.
What allows some molecules to pass through freely while limiting passage of other molecules?
That is a semi-permeable membrane.
Which molecues cross the membrane of a cell easily and which do not?
Non-polar molecules (such as fatty acids, steroid hormones and O2) pass freely through the cell membrane. Small uncharged molecules (such as H2O) also pass freely, but are slower. Large, polar molecules and ions (such as Na+ and K+) do not pass freely. Macromolecules (such as proteins and polysaccharides) do not pass through the cell membrane. Molecules and ions that cannot pass freely through the cell membrane rely on other means, such as protein transporters, to move in to the cell.
