R (Ideal Gas Constant): The ideal gas constant is denoted by R and has a value equal to 8.314 J/(molยทK). It relates pressure, volume, temperature, and number of moles in ideal gases.
n (Number of Moles): The letter n represents the number of moles in a given substance or species.
T (Temperature): Temperature measures average kinetic energy and determines how reactant molecules collide in chemical reactions.