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If substance X X is a liquid substance Y Y is a gas and substance Z Z is a solid and all are at the same temperature and pressure then the order of increasing strength of their intermolecular forces w?
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The phase of matter can be changed by?
changing the temperature or surrounding pressure of a substance
What are the two properties that determine the state of a substance?
gases have no shape,volume water has volume but no shape solids have shape and volume gases have the most intermolecular space solids have least inter molecular space <><><><><> Temperature and pressure.
Does increasing pressure affect reaction rate?
If the pressure increase the number of intermolecular collisions increase and so the reaction rate. This is valid for gases.
What is a dry vapor?
A substance that is in the gas phase at a temperature at which it would normally be a solid or liquid
What would increase the pressure of gas in a container?
Any of the following: increasing the amount of gas; increasing the temperature; reducing the volume.
The phase of matter can be changed by?
changing the temperature or surrounding pressure of a substance
How does intermolecular forces of a substance determine the phase the substance is in?
The strength of the intermolecular forces will determine what phase the substance is in at any given temperature and pressure. Consider the halogens for example, fluorine and chlorine are gases, while bromine is a liquid and iodine is a solid at room temperature. When considering the intermolecular forces present, each of these substances only has London forces, which increase in magnitude with increasing size of the molecules, and size increases as you go down a group in the periodic table. So, fluorine has the smallest intermolecular forces, and iodine has the largest. This explains why these different substances exist in different phases when at room temperature and pressure. The molecules in fluorine, for example, are only slightly attracted to each other, and therefore the substance exists as a gas. The stronger intermolecular forces in bromine, however, hold the molecules close to each other, but not quite strongly enough to prevent the molecules from sliding past each other; this makes bromine a liquid. Finally, in iodine, the intermolecular forces are actually strong enough that the molecules are held in fixed positions relative to each other, thus making iodine a solid.
Does temperature affect air pressure?
In the atmosphere increasing the temperature the pressure decrease.
What are the two properties that determine the state of a substance?
gases have no shape,volume water has volume but no shape solids have shape and volume gases have the most intermolecular space solids have least inter molecular space <><><><><> Temperature and pressure.
Does increasing pressure affect reaction rate?
If the pressure increase the number of intermolecular collisions increase and so the reaction rate. This is valid for gases.
How does vapor pressure of a substance depend on temperature and strength of intermolecular forces?
As you increase a liquid's vapor pressure, you are decreasing the tendency of intermolecular forces to hold the particles of that liquid together. This is because as vapor pressure increases, the particles' kinetic energy increases. This means they move around more. The more they move around, the less ability the intermolecular forces have to bind them together. Eventually, when vapor pressure equals atmospheric pressure, boiling begins, and the intermolecular forces can no longer contain the liquid, and it becomes a vapor.
What is a dry vapor?
A substance that is in the gas phase at a temperature at which it would normally be a solid or liquid
What is the meaning of liquifaction of gases?
Liquifaction (or liquefaction) is the process by which a substance is converted from a gaseous to a liquid state. This is accomplished by increasing the pressure, lowering the temperature or both.
Does the increasing temperature increase pressure?
The temperature increases when pressure increases. This is according to the law of pressure. This law mentions that pressure is directly proportional to temperature.
Can you increase solubility?
by increasing temperature and pressure
The density of water depends on its?
Pressure and temperature. Increasing the pressure increases the density. Increasing the temperature decreases the density between melting point and 4oC
Is it possible reduce distance between molecules of gas such that it become liquid?
Yes. This can be none by drcreasing the temperature or, if the substance is not above its critical point, by increasing the pressure.
