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Five moles of the monatomic gas argon expand isothermally at 302 K from an initial volume...

  1. Five moles of the monatomic gas argon expand isothermally at 302 K from an initial volume of 0.020 m3 to a final volume of 0.050m3. Assuming that argon is an ideal gas, find (a) the work done by the gas,   (b) the change in internal energy of the gas, and (c) the heat supplied to the gas.
  2. Four mole of gas at temperature 320 K expands isothermally from an initial volume of 1.5 L to 7 L. (a) What is the work done by the gas? (b) Estimate the heat added to the gas? (c) What is the final pressure of the gas?
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Answer #1

moles 5 3 No. of initial final دعم عنان به vie volume 0.050 m3 Temperature, T = 30QK (a) Work done, ART en 5x 8.314x 302 ln 0(c) Ideal gas equation → PV = nRT ART 4 x 8.314 X 320 f 3 7 x 10 6. اه 11 1.52 x 10 pa

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