The temperature inside the tank is 9.013K
Using the ideal gas equation
T=PV / nR
Given,
n = 0.821
R = 8
P = 3.70
V = 16
T = 16 * 3.70 / 0.821 * 8
T = 59.2 / 6.568
T = 9.013
The temperature inside the tank is 9.013K
Many gases such as nitrogen, oxygen, hydrogen, noble gases, some heavier gases like carbon dioxide, and mixtures such as air, can be treated as ideal gases within reasonable tolerances over a considerable parameter range around standard temperature and pressure.
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