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Why do gases failed to obey ideal gas equation at high temperature and low pressure?
Wiki User
∙ 11y ago
You have the idea backwards, gases fail to obey the ideal gas laws at low temperatures and high pressures. The ideal gas law assumes the size of a gas molecule to be negligible as well as the naturally occurring attractive forces between molecules in a gas. These difference diminish when the pressure is low or the temperature is high. Low gas pressure suggests the gas molecules are fairly spaced out, so their individual volumes aren't impeeding the other molecules ability to occupy nearby space. With high pressures gas molecules are forced closer together in order to fit the same amount of volume the greater the volume of individual molecules the less volume available fore gas molecules to occupy. Similarly with high temperatures, the average kinetic energy easily overwhelms the intramolecular forces such as london forces and hydrogen bonding, making their presence almost unimportant. In low temperature applications the imfs of the gas molecules are given much more opportunity to interact as the gas molecules have significantly less kinetic energy.
Wiki User
∙ 11y ago
Wiki User
∙ 13y agohigh pressure causes the ideal gas law to fail
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When do real gases act least like ideal gases?
High temperature and low pressure
Which halogens are gases?
At standard temperature and pressure, fluorine and chlorine.
How are gases liquefied?
When gases are operated under very high pressure and extremely low temperatures, they get liquefied.
What is the total number of elements in Group 17 that are gases at room temperature at standard pressure?
There are two that are gases, fluorine and chlorine.
Which Gases Does The Ratio Of PV To RT Equal A Constant?
I think you are thinking of the IDEAL GAS Equation. , which is PV = nRT. 'P' = pressure 'V' = volume 'n' = moles of gas 'R' = the gas constant ( 8.314....) 'T' = temperature. NB When using this equation make sure you are using the S.I. units for the respective parts.
What happens to pressure if temperature?
Are you referring to gases?In gases,if the temperature increases then the pressure would also increase.
Are hydrogen and helium gases?
They can be depending on the temperature and pressure. They can also be liquids and solids. At room temperature and pressure they are gases.
If temperature increase what happens to pressure?
Are you referring to gases?In gases,if the temperature increases then the pressure would also increase.
Halogens that are gases at room temperature and pressure?
Only fluorine and chlorine are gases at room temperature. Bromins is a liquid. Iodine and astatine are solids.
Will all the real gas be liquefied at high pressure?
No. It takes a combination of pressure and temperature to liquefy some gases. Hydrogen and helium were the last gases to be liquefied and that was with pressure and extremely low temperature.
What is STP is used when discussing gases because gases are so easily affected by temperature and pressure?
That is correct. Precisely because gases are affected by temperature and pressure, a standard for both must often be specified.
What conditions are gases most soluble in water?
The solubilty of gases in water is increased at lower temperatures and higher pressures.
When do real gases act least like ideal gases?
High temperature and low pressure
Can you explain the gases in the pressure cooker?
By heating the pressure increase and again the temperature increase.
Can pressure measure temperature?
Yes, for gases if the volume is known
Which halogens are gases?
At standard temperature and pressure, fluorine and chlorine.
Is there something that is magnetic on air?
Gases, and so air which is a mixture of gases (at normal temperature and pressure) are not magnetic.
