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Which substance greatly reduces the attractive forces among the water molecules lining the alveoli?
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What is an example of an organism that benefits from reducing surface tension?
Humans benefit greatly from the work of Pulmonary surfactant which reduces the surface tension in the alveoli of the lungs. This reduction in alveolar surface tension prevents the alveoli from collapsing and thus causing suffocation.
What happens to the molecules of a substance as it changes state from solid to liquid to gas?
The molecules slow down.
Why you add talc in conc cinnamon water?
The use of talc greatly increases the surface area of the volatile substance, insuring more rapid saturation of the water
What is the difference between the process of boiling and evaporation of water?
Boiling is a greatly expedited form of evaporation. When you heat something to its boiling point, it has enough energy for its molecules to rapidly escape. Evaporation is a much slower action, generally. It is just molecules at the surface gaining enough energy to escape. Both evaporation and boiling are endothermic processes. They will cool what ever the molecules are escaping from.
Why does saltwater have a lower freezing point than fresh water?
the salt molecules interfere with the intermolecular forces and hydrogen bonds of the water molecules.
Is vanillin polar or nonpolar?
Yes. Vinegar is a polar substance because it is greatly comprised of water which is a polar substance.
What happens to the molecules of a substance when it is charring?
Normally, when substance burns, the molecules undergo a rapid oxidation, which excites the molecules greatly. The heat that is input into the substance, and the oxidation process, causes the molecules to move around very quickly. As the molecules return to their lower energy resting state, they shed the excess energy in the form of heat. When the goal is to char, instead of burn, the molecules are exposed to the same heat as for burning, but they are denied oxygen. Since the materials do not have access to oxygen, they do not burn (rapidly oxidize). All of the molecules still get excited, and move and bump into each other, but the fuel is not consumed, as that requires oxygen. Once the molecules of the substance get hot enough, any molecules of water or other liquids change state to a gas and are driven out of the substance being heated, because of the expansion of the gas. Charring is most commonly used to dry wood completely, without using up the wood's potential energy as fuel.
What is an example of an organism that benefits from reducing surface tension?
Humans benefit greatly from the work of Pulmonary surfactant which reduces the surface tension in the alveoli of the lungs. This reduction in alveolar surface tension prevents the alveoli from collapsing and thus causing suffocation.
Is the volume of substance the same before and after a fire?
no the volume can be greatly reduced
What is punishment for drug possession?
Varies by location greatly as well as the amount possessed and what substance.
What is the difference between a catalyst and an inhibitor?
Catalyst: a substance which promote and help a chemical reaction. Inhibitor: a substance which greatly reduces the rate of a chemical reaction.
What happens to the molecules of a substance as it changes state from solid to liquid to gas?
The molecules slow down.
What is the mass of one milliliter?
A milliliter is a unit that is used to measure liquid volume. The mass of one milliliter of a substance would vary greatly depending on the substance.
What is the meanig of fiber?
Fibre mean a slendor and greatly elongated substance capable of being spun into yarn
What increases the?
The thermal vibration of the atoms in the material increases the resistance of that substance. The resistance is greatly depends on temperature.
What is the purpose of the alveoli and where is it located?
Alveoli are tiny sacs of air located in your lungs. There are millions of them in your lungs, and they fill up with oxygen when you inhale. They greatly increase the surface area of the lungs so that more oxygen can enter your bloodstream.
What does th robot kismet do?
Main purpose is to interact with children. Kismet is greatly used for autism therapy. Its cute looks, facial expressions and other features are very attractive to the children.
