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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.
What else can I help you with?
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
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.
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 does packed closely together mean?
"Packed closely together" means that objects are arranged in a tight and compact manner, with little to no space between them. This term is often used to describe how things are tightly grouped together in a specific area.
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.
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 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.
Is a low pressure area of loosely packed molecules?
Compression
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.
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 does packed closely together mean?
"Packed closely together" means that objects are arranged in a tight and compact manner, with little to no space between them. This term is often used to describe how things are tightly grouped together in a specific area.
Where do deers sleep?
Whitetail deer ussualy tend to bed in thick brush or an area where trees are tightly packed. Also, where the area is rarley disturbed and gives some protection from elements. (trees,brush)
Why density of a liquid is more affected by changes in temperature than the density of a solid?
Temperature affects the density of a liquid more than a solid because molecules in a liquid are less tightly packed and more free to move around, causing them to expand or contract with changes in temperature. In a solid, the molecules are closely packed together in a fixed structure, so temperature changes have less impact on the overall density.
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 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.
