Multiple choice general knowledge science & technology Ideal gas law P1 V1 = P2 V2 P V = n R T V1 / T1 = V2 / T2 V1 / V2 = T1 / T2 Reveal answer Fill a bubble to check yourself B Correct answer Explanation The ideal gas law relates pressure (P), volume (V), amount of gas in moles (n), the universal gas constant (R), and temperature (T). PV = nRT is the correct and complete form.