Multiple Choice
At a constant pressure and amount of gas, which of the following describes the relationship between the volume and temperature of an ideal gas?
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7. Gases
The Ideal Gas Law Applications
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Under which conditions do gases behave most ideally?
A
High temperature and low pressure
B
High temperature and high pressure
C
Low temperature and low pressure
D
Low temperature and high pressure
Verified step by step guidance1
Recall that ideal gas behavior assumes gas particles have negligible volume and no intermolecular forces between them.
Understand that at high temperatures, gas particles have more kinetic energy, which helps overcome intermolecular attractions, making the gas behave more ideally.
Recognize that at low pressures, gas particles are far apart, so their actual volume and intermolecular forces have less effect on the gas behavior.
Combine these insights to conclude that gases behave most ideally under conditions of high temperature and low pressure.
Therefore, the correct condition for gases to behave most ideally is high temperature and low pressure.
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