# Question #675cd

##### 1 Answer

I assume the question refers to **4 L** of gas, and asks for the new volume after the pressure and the temperature are doubled.

This can be solved by using the combined gas law,

You start with a pressure of

So, we can determine

It's evident that

This would have also been the case if the question said **4 moles of gas**, since the combined gas law assumes that the *number of moles is constant*.

You would get the same result,

SInce the question provides a value for