What is the meaning of ideal gas?
An ideal is a theoretical model of a gas which perfectly obeys all the gas laws.
There are two most basic features of an ideal gas which distinguishes it from the real gases -
1) The molecules of an ideal gas occupy negligible volume.
2) The ideal gas molecules are weakly interacting, i.e. the molecules only interact via collisions and do not exert intermolecular forces.
Real gases tend to the ideal gas behavior for low pressures and high volumes where these two distinguishing factors become insignificant.
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An ideal gas is a hypothetical gas that perfectly follows the ideal gas law, which relates the pressure, volume, temperature, and number of moles of a gas. According to the ideal gas law, the behavior of an ideal gas is described by the equation PV = nRT, where P is the pressure, V is the volume, n is the number of moles of gas, R is the ideal gas constant, and T is the temperature in Kelvin. Ideal gases are assumed to have no volume and no intermolecular forces between molecules, leading to simple and predictable behavior under varying conditions.
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When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.
When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.
When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.
When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.
- 43.7 L of butane (C4H10) measured at S.T.P is burned in excess oxygen. Write an equation for the reaction and what is the volume of carbon dioxide measured at S.T.P?
- Which gas law states that the volume of a gas is directly proportional to its temperature?
- How would you solve for n in PV=nRT?
- If a helium balloon is placed in a cold freezer, what happens in the balloon?
- Gases are sold in large cylinders for laboratory use. What pressure in atmospheres will be exerted by 2500 g of oxygen gas (O2) when stored at 22°C in a 40.0 L cylinder?

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