# A container has a volume of #3 L# and holds #2 mol# of gas. If the container is expanded such that its new volume is #13 L#, how many moles of gas must be injected into the container to maintain a constant temperature and pressure?

##### 1 Answer

Apr 22, 2016

#### Explanation:

By The equation of state for real gas we know

Where

P = Pressure, V = Volume, n = number of moles of gas , T = Absolute temperature of the gas and R = universal gas constant.

In our case P and T are constant in both the case

So

Here

So No of moles of gas injected