Problem 5.3 The partition function of a system is given by log Z = aTV where a is a constant, T is the absolute temperature and V is the volume. Calculate the internal energy, the pressure and the entropy.
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A: As per guidelines of bartleby, Only 1st Question was solved. For others questions, please re upload…
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- 113 n which phase are the apart from one another? 2. Explain what is meant by a physical change and a chemical change, with examples of each. 7 Write the chemical physical (a) M 3. Explain why physical changes need less energy than chemical changes. (b) 4. Which ONE of the following statements is not correct? (a) In a physical change no new substance is formed, only the physical state of the material changes. (b) In a chemical change new substances are formed in a process that is not easily reversed and is usually accompanied by an energy change; (c) Physical change, for example dissolving, cannot easily be reversed. (c) 8. LI need the answer as soon as possible
- part c3. The specific Helmholtz Free energy f is related to the specific internal energy u as: f(T, a) = u - Ts where the "natural variables" of fare temperature and specific volume. a. Expand the differential off in terms of partial derivatives with respect to the natural variables of f b. Using the result from a. and applying the 1st Law of Thermodynamics, what are af af Tand да ila? ap c. From the equality of mixed partial derivatives, show that ƏT = Əs θα |TB4
- Subject: physicsProblem 1 A 0.20 kg/s of air are compressed isothermally from P,= 100 kPa and V,= 0.15 m3/s to P,= 700 kPa. Determine: The work in kW and the change in entropy in kJ/s-K for (a) closed or non-flow process and (b) open or steady flow process with initial and final velocity of v, = 15 m/s and v, = 60 m/s, respectively.Please just do parts c and d
- part b pleaseConsider the figure below. Arrange the kinetic energies of the final states in decreasing manner. Justify your ranking.Please help me with these questions a. What is the name given to this cycle, and why is it important? The volume of the ideal gas at point 1 is V1, etc. By analysing the adiabatic processes, we find that: V_2/V_1 = V_4/V_3 b. The work done during the isothermal processes is WC (between points 1 and 2) and WH (between points 3 and 4). Find an expression for the fraction WC / WH in terms of TC and TH. c. Apply the First Law of Thermodynamics to the isothermal processes to show that the efficiency of this cycle is (please see the image with the corresponding formula for question c) d. Use the Second Law of Thermodynamics to explain why no heat engine can be more efficient than a perfectly reversible engine. You may wish to include a heat flow diagram in your answer.