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True or False A gas is an Ideal Gas if its molecules possess Zero Volume and exhert Zero intermolecular forces on themselves?
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∙ 13y ago
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∙ 13y ago
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What best describes the molecules of an ideal gas?
no volume, no intermolecular force of attraction, perfectly elastic collisions
Which descritpion best fits a solid?
definite volume; shape of container; moderate intermolecular attractionsdefinite volume; shape of container; no intermolecular attractionsvolume and shape of container; no intermolecular attractionsdefinite shape and volume; strong intermolecular attractionsvolume and shape of container; strong intermolecular attractions
What states of matter have definite volume?
Solids and liquids are two states of matter that occupy a definite volume. The molecules in them are bonded by strong intermolecular forces which do not allow them to be compressed to a very large extent.
What are the reason that in most distillation that the total volume of liquid obtained is not equal to the volume that was introduced into the flask?
Two reasons - the main one is usually loss of vapour from the system, the other is that mixing two liquids will rarely produce a total volume that is the same as before mixing. Differences in intramolecular and intermolecular bonding mean that the molecules arrange themselves differently between pure liquid and mixture. Try mixing a known volume of water with a known volume of alcohol - there will be a big change in the total volume if you do it carefully and accurately.
How does the ideal gas law relate to real gases?
Ideal gas law states that there are no inter molecular attractions between gas molecules and that ideal gas does not occupy space therefore having no volume. However, a real gas does have intermolecular attractions and does have a volume.
What is the molecules of an ideal gas?
Perfectly elastic collisions, point masses (no volume of individual molecules), no intermolecular attractions.
What best describes the molecules of an ideal gas?
no volume, no intermolecular force of attraction, perfectly elastic collisions
Why a liquid have a volume?
Because it's molecules are still under strong intermolecular forces,so they are not easily compressible.
How are the molecules in a particular solid different from the molecules of that substance in a liquid form?
the molecules in solids are tigthly packed that is the intermolecular force(cohesive) force is more but in liquids the intermolecular force(cohesive force) is less .solids have fixed shape,volume, mass but liquids have no fixed shape as it takes shape of the container.
Which descritpion best fits a solid?
definite volume; shape of container; moderate intermolecular attractionsdefinite volume; shape of container; no intermolecular attractionsvolume and shape of container; no intermolecular attractionsdefinite shape and volume; strong intermolecular attractionsvolume and shape of container; strong intermolecular attractions
Why do solids have fixed shape and gases have niether a fixed shape nor a fixed volume?
The intermolecular forces between gas molecules are extremely weak.
Why real gases deaviat from ideal behaviou?
It is assumed that Ideal Gases have negligible intermolecular forces and that the molecules' actualphysical volume is negligible. Real Gases have the molecules closer together so that intermolecular forces and molecules' physical volumes are no longer negligible. High pressures and low temperatures tend to produce deviation from Ideal Gas Law and Ideal Gas behavior.
What happens to atoms or molecules when gas becomes liquid?
As pentane is boiled, the intermolecular bonds between molecules of pentane are broken. This makes pentane molecules free to move as they please and expand to fill any volume.
Does a gas have more moleules than a liquid?
No. The state of a substance does not tell the number of molecules present. In a gas, the molecules move more freely than in a liquid as they are not bound to each other by intermolecular forces. If you're going by volume, a given volume of a gas will generally contain fewer molecules except at very high pressures.
What states of matter have definite volume?
Solids and liquids are two states of matter that occupy a definite volume. The molecules in them are bonded by strong intermolecular forces which do not allow them to be compressed to a very large extent.
What is the state of matter that has no fixed sides but has a definite volume?
Water. Properties of water are;has definite volume, intermolecular forces of attraction are weaker than in solids, lacks fixed shape(takes the shape of the container) and molecules are far apart
What are the reason that in most distillation that the total volume of liquid obtained is not equal to the volume that was introduced into the flask?
Two reasons - the main one is usually loss of vapour from the system, the other is that mixing two liquids will rarely produce a total volume that is the same as before mixing. Differences in intramolecular and intermolecular bonding mean that the molecules arrange themselves differently between pure liquid and mixture. Try mixing a known volume of water with a known volume of alcohol - there will be a big change in the total volume if you do it carefully and accurately.
