CHEMISTRY · Multi-part · AP · Chemistry · Properties of Substances and Mixtures · Properties of Substances and Mixtures
Problem
Ammonia gas, NH3, is stored in a 4.00 L steel cylinder at 350 K. The cylinder contains 0.800 mol of NH3.
Ideal-gas calculations predict a pressure of 5.75 atm for these conditions, but an actual pressure probe reads 4.98 atm.
(a) Calculate the percent deviation of the measured pressure from the ideal-gas prediction.
(b) Using molecular properties of NH3, account for the direction (sign) and magnitude of this deviation.