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Pressure is a statistical mechanic variable, representing the force exerted on a unit surface by a body that is composed by a huge number of particles, sufficiently great to apply statistical methods to average the fluctuating force exerted in time due to the interaction of individual particles with the surface.
A molecule is not composed by a sufficient number of particle generally, and, more important, the chemical bonds composing it gives to the molecule an ordered structure, so that pressure cannot be rigorously defined talking about molecules.
In some application, when dealing with solutions of very big molecules, like proteins or polymers chains, the interaction of these big molecules with the solvent, for example water, is modelled as the interaction of a body constituted by several rigid sphere bonded together (the molecule) with a continuous background medium (the solvent). This approximation, that is called implicit solvent approximation, is allowed by the fact that the solvent molecules are much smaller than the solute molecules. In this context it is possible to say that the solvent exert a pressure on the molecule surface, that naturally depends on many parameters like temperature, density of the solution, and so on, besides the nature of solvent and solute.
This is however a simpling model, that is used only because frequently a fully molecular model, where both solvent and solute are represented as molecules populations, is too hard to be solved.
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What is the high pressure area of tightly packed molecules?
The high pressure area of tightly packed molecules is known as a compression zone. In this region, molecules are densely packed together, leading to increased pressure compared to surrounding areas. This can occur in various systems, such as fluids, gases, or solids under external forces.
Is a low pressure area of loosely packed molecules?
Compression
Does high pressure have tightly packed monecules?
I wouldn't think of it like that. High pressure indicates that there is more air entering an area than is able to leave. With a system of high pressure, you typically get converging air high up in the atmosphere which is forced downward, so that at the surface there is a lot of air sinking and trying to spread out, creating higher pressure.
What is the spread of molecules in an area?
The spread of molecules in an area refers to how dispersed or concentrated the molecules are within that space. This distribution can be influenced by factors such as temperature, pressure, and the nature of the molecules themselves. In gases, molecules tend to be more spread out due to higher energy and movement, while in solids, they are more tightly packed. This concept is essential in understanding diffusion, concentration gradients, and various physical and chemical processes.
The part of a wave where molecules are pressed close together is under?
The part of a wave where molecules are pressed close together is called compression. This is an area of high pressure in the wave where the particles are densely packed.
What is the high pressure area of tightly packed molecules?
The high pressure area of tightly packed molecules is known as a compression zone. In this region, molecules are densely packed together, leading to increased pressure compared to surrounding areas. This can occur in various systems, such as fluids, gases, or solids under external forces.
Is A compression is a high pressure area of tightly packed molecules?
A compression is an area where air molecules are squeezed together, leading to increased pressure. This can result in higher density and temperature within the compressed region.
What do you call an area of tightly packed molecules?
I think it's polymer... Because "poly" means many and "mer" means units. Yeah, I'm pretty sure it's polymer.
Is a low pressure area of loosely packed molecules?
Compression
Does high pressure have tightly packed monecules?
I wouldn't think of it like that. High pressure indicates that there is more air entering an area than is able to leave. With a system of high pressure, you typically get converging air high up in the atmosphere which is forced downward, so that at the surface there is a lot of air sinking and trying to spread out, creating higher pressure.
Is rarefaction a high pressure area of tightly packed molecules?
No, rarefaction is the opposite of a high pressure area. It is a low pressure area where molecules are spaced further apart. This occurs in a sound wave when the air molecules are spread out, creating areas of decreased pressure.
What is the spread of molecules in an area?
The spread of molecules in an area refers to how dispersed or concentrated the molecules are within that space. This distribution can be influenced by factors such as temperature, pressure, and the nature of the molecules themselves. In gases, molecules tend to be more spread out due to higher energy and movement, while in solids, they are more tightly packed. This concept is essential in understanding diffusion, concentration gradients, and various physical and chemical processes.
What is a low pressure area of loosely packed molecules?
A low pressure area is a region where air molecules are spread out with less force exerted on a surface, leading to reduced atmospheric pressure. This can result in weather conditions like cloudy skies, precipitation, and potentially storms due to the movement of air towards areas of lower pressure.
What are the names of the close together part of Longitudinal?
The close together parts of a longitudinal wave are called compressions. In a compression, the particles of the medium are tightly packed together, resulting in an area of high pressure.
The part of a wave where molecules are pressed close together is under?
The part of a wave where molecules are pressed close together is called compression. This is an area of high pressure in the wave where the particles are densely packed.
Does atmospheric pressure increase or decrease towards the center of low pressure area?
Atmospheric pressure decreases towards the center of a low-pressure area. This is because low-pressure systems are characterized by rising air, which leads to a reduction in pressure as the air molecules are less densely packed. As you move closer to the center of the low-pressure area, the pressure continues to drop, creating the characteristic winds that circulate around these systems.
What does air do in a high pressure area?
In a high pressure area, air molecules are densely packed together, causing the air to sink and compress. This leads to stable weather conditions with clear skies and minimal cloud formation. High pressure systems are often associated with fair weather.
