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Probably the one with the largest surface area. But let's look a bit further, since that's probably not the answer that was being sought. And we'll consider the molecules that actually make up the surface, and are not jut hanging around on it like bread crumbs on a cutting board. If the surface area of a sample is fixed (the same for all the materials investigated), then what we need to do is look at the molecule as a unit, and also the molecular arrangement of the material. If we want the "most" molecules per unit area, we need a very small molecule so that we can get a lot of them in a given area. We also need a "molecular arrangement" that allows for the "closest packing" of the little guys. The smallest molecule, size wise, is the diatomic molecule of hydrogen (H2), so let's look at that - right after this. Hydrogen's common mechanical properties in solid molecular form probably lie outside out ability to calculate them. It just isn't an "ideal" atom or molecule in quantities like we're assembling. Remember that hydrogen, when it's a gas here on earth, travels around with a buddy (H2). This is true of elemental gases at room temperature, with the exception of the inert gases. If we apply some cryogenic cooling to hydrogen and freeze it solid to, say, under 20 Ko or so, it will form a solid with these little guys all squashed together. The molecules are only about one and a half angstroms in size. That's about one and a half picometers, or about 1.5 x 10-12 metres. A "simplified" answer would give us about 4.4 x 1017 molecules per square millimeter. One last thing. Solid hydrogen forms hexagonal crystals (apply no pressure, please), so the "answer" we got above is off a bit. (Maybe more than a bit.) The atoms won't pack and end up looking like a flat of eggs. But we're on the right track. There is a lot of "technical nonsense" like the concentrations of spin states (which are temperature dependent) which will aid or detract from our efforts to keep things tightly packed in the solid. Hope you can run with that.
What else can I help you with?
Is the inward force among the molecules of a liquid?
The inward force among the molecules of a liquid is known as cohesive force. It is responsible for keeping the molecules together and creating surface tension in the liquid.
What is the leading cause of surface tension in most common liquids?
I believe all liquids have intermolecular forces of attraction between the molecules, whether they are small forces such as dispersion forces or stronger ones like hydrogen bonding in water etc. When in, "Bulk" such as in the middle of a liquid (not the surface) these forces are experienced all around the molecule in equal amounts and therefore no net force is experienced. However, at the surface of the liquid there are no attraction forces from above and so the molecules experience a net downwards pull. This causes the molecules at the surface to be pulled into the liquid, compressing the space at the surface. This smaller, denser and more packed surface is what causes the surface tension...correct me if I'm wrong. :)
Why evaporation known as surface phenomena?
Evaporation is known as surface phenomena because molecules of water present on the surface of liquid are bonded weakly as compaered to inner molecules and when temperature increases hydrogen bonding between water molecules breaks.Due to this water molecules tend to evaporate.so that's why it is called as surface phenomena.
The surface tension of water is caused by the water molecules on the surface experiencing?
unequal forces of attraction from the molecules below and beside them. This creates a stronger cohesive force among the surface molecules, causing them to pull together tightly and minimizing the surface area, resulting in surface tension.
Process in which vapour molecules are recaptured by molecules at liquid surface?
This process is called condensation. It occurs when vapor molecules lose energy and transition back into a liquid state by interacting with other liquid molecules at the surface. This can happen when the temperature of the vapor decreases or when it comes into contact with a cooler surface.
Can water molecules evaporate at the surface or below the surface?
Water molecules can evaporate from the surface of water, where they gain enough energy to overcome surface tension and escape into the air. Below the surface, water molecules can also evaporate through a process known as sublimation, where molecules transition directly from a solid to a gas, although this is less common.
Why do molecules at the surface of a liquid behave differently from molecules in the interior of the liquid?
In the interior the intermolecular forces of attraction is equal in all directions but the molecules at the surface of liquid experiences unequal intermolecular forces of attraction. the molecules at the surface are free so the adsorb liquid or gaseous molecules
Where are most of the gas molecules in the atmosphere found?
Most of the gas molecules in the atmosphere are found in the lower part of the atmosphere, called the troposphere. This is the layer of the atmosphere closest to the Earth's surface, where most weather events occur and where most living organisms exist.
Is the inward force among the molecules of a liquid?
The inward force among the molecules of a liquid is known as cohesive force. It is responsible for keeping the molecules together and creating surface tension in the liquid.
Why the raindrop is spherical?
Raindrops are spherical due to surface tension. Surface tension causes the water molecules on the surface of the drop to attract each other, minimizing the surface area and forming a spherical shape, which is the most efficient way to contain the water molecules.
Why is a raindrop in spherical shape?
A raindrop is in a spherical shape due to surface tension. Surface tension causes water molecules to cling together, minimizing their surface area and taking on a spherical shape, which is the most efficient shape that minimizes surface energy.
What is the leading cause of surface tension in most common liquids?
I believe all liquids have intermolecular forces of attraction between the molecules, whether they are small forces such as dispersion forces or stronger ones like hydrogen bonding in water etc. When in, "Bulk" such as in the middle of a liquid (not the surface) these forces are experienced all around the molecule in equal amounts and therefore no net force is experienced. However, at the surface of the liquid there are no attraction forces from above and so the molecules experience a net downwards pull. This causes the molecules at the surface to be pulled into the liquid, compressing the space at the surface. This smaller, denser and more packed surface is what causes the surface tension...correct me if I'm wrong. :)
Why do the molecules at the surface of water exhibit a stronger attraction inwards compared to those not at the surface?
The molecules at the surface of water experience a stronger inward attraction due to the imbalance of forces acting on them. While molecules within the bulk of the water are surrounded by other water molecules and experience equal attractive forces in all directions, surface molecules only have neighboring molecules on the sides and below, leading to a net inward pull. This phenomenon results in surface tension, which allows the surface to behave like a stretched elastic membrane.
Why evaporation known as surface phenomena?
Evaporation is known as surface phenomena because molecules of water present on the surface of liquid are bonded weakly as compaered to inner molecules and when temperature increases hydrogen bonding between water molecules breaks.Due to this water molecules tend to evaporate.so that's why it is called as surface phenomena.
Do small molecules have high surface tension?
Generally larger molecules with stronger intermolecular forces have higher surface tension. This tendency can be seen if you look at the surface tensions of the alkanes. Water is a clear exeption to this pattern due to the very strong hydrogen bonds.
Why does the troposphere have the most gas molecules?
The troposphere contains the most gas molecules because it is the lowest layer of Earth's atmosphere, extending from the surface up to about 8-15 kilometers (5-9 miles) high. Due to gravity, gas molecules are more densely packed near the Earth's surface, resulting in a higher concentration of air molecules in the troposphere compared to higher atmospheric layers. This density decreases with altitude, leading to fewer gas molecules in the stratosphere and beyond. Additionally, most weather phenomena and life-supporting processes occur in the troposphere, further contributing to its richness in gas molecules.
In polar regions what happens to water molecules at the ocean's surface?
Molecules always react to things so the molecules would most likely freeze but any pollution could change the molecule. say if there were a oil spill then the molecules properties would be oil.
