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## Ideal Gases

1.
What Kelvin temperature is equal to 25°C?
1. 248K
2. 298K
3. 100K
4. 200K
2.
What is the name for a theoretical gas composed of a set of randomly moving, non-interacting point particles, wherein all collisions between atoms or molecules are perfectly elastic and in which there are no intermolecular attractive forces?
1. random gas
2. ideal gas
3. inert gas
4. particle gas
3.
Under what conditions do real gases behave almost like ideal gases?
1. high temperature, low pressure
2. high temperature, high pressure
3. low temperature, high pressure
4. low temperature, low pressure
4.
The ideal gas law is expressed by the equation                                             .
5.
What is the SI unit for pressure?
1. newton
2. joule
3. Kelvin
4. pascal
6.
In the equation for the ideal gas law, $PV=nRT$, what does $n$ represent?
1. Newton
2. number of molecules
3. number of moles
4. gas constant
7.
In the equation for the ideal gas law, $PV=nRT$, which is the universal gas constant?
1. P
2. V
3. T
4. R
8.
A gas sample has a volume of 1.5 liters when the thermometer on the wall reads 25°C. What volume will it occupy if it is warmed to 100°C?

9.
A gas has a pressure of 655 mmHg at $25 degC$. To what temperature must it be heated in order to raise its pressure to 825 mmHg?

10.
If you were to apply heat to a gas sample with a volume of 2.0 liters starting from 26°C and stopping at 100°C, what would be its volume when you stop heating the sample?

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