These five terms are: the pressure (P), volume (V), number of moles (n), a constant (R)—with a value of 8.3145 joules per kelvin-mole—and temperature (T). You can't understand the ideal gas law ...
The gas laws… We all learned about them in school and promptly forgot all about them. I really think that we need to dig our books out, dust that information off, and work to understand and apply it.