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3. The pressure, temperature and volume of an ideal gas are given by the ideal
pV = nRT where n is the number of moles of the gas, R=8.314 J/(mol× K) is the gas
gas
law
constant. The change of the temperature T with the time t is given by T = 273+43/t . The
change of the volume V with time is given by V = 22– 2t0°. Determine the rate of change of
of 1000 moles gas with time at t = 20s . ANS= 18999
0.6
the
pressure

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