chemical engineering don't attempt by chatgpt ai The ideal gas law combines pressure $($P$),$ volume $($V$),$ temperature $($T$),$ and the gas constant $($R$)$ in the equation:

a$)$ PV $=$ nRT $($correct$)$

b$)$ PV$^2=$ RT

c$)$ P$/$V $=$ RT

d$)$ P $+$ V $=$ RT