Which of the following expressions defines the Helmholtz energy in terms of the Gibbs energy and other appropriate thermodynamic quantities? A=G-TS OA = G + PV OA=G+PV-TS OA G-PV + TS OA G-PV A=G+ TS
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- A monoatomic gas is at a temperature of 325K. What is the internal energy of one atom of the gas?An automobile tire contains 0.038 m² of air at a gauge pressure of 2.41 × 10³ N/m2. The composition of air is about 78% nitrogen (N2) and 21% oxygen (O2), both diatomic molecules. How much more internal energy, in joules, does the air in the tire have than the same volume of air has at zero gauge pressure outside the tire? Emt,2 - Ent,1 JAn SUV tire contains 0.037 m3 of air at a gauge pressure of 2.61 × 105 N/m2. The composition of air is about 78% nitrogen (N2) and 21% oxygen (O2), both diatomic molecules. How much more internal energy, in joules, does the air in the tire have than the same volume of air has at zero gauge pressure outside the tire? Einternal,2−Einternal,1 = ? Hints: -Assume not only equal volumes but also equal temperatures.-Since the temperature is constant, what must be changing in this process?-The heat capacity, and thus the internal energy, depends upon whether gas is monatomic or diatomic.