A storage tank at STP contains 20.6 kg of nitrogen (N2). Volume of the tank is 16.4 m3 part b What is the pressure if an additional 33.4 kg of nitrogen is added without changing the temperature?
a) n = 20600 / 28 = 735.7 mol
V = n R T / P = (735.7 * 8.314 * 273.15) / (1.013 * 105)
=16.4 m3
b) n = 20600 + 33400 / 28 = 1928 mol
P = n R T / V = (1928 * 8.314 * 273.15) / (16.4)
= 2.67 * 105 Pa
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