entropy
Q: 1. A piston/cylinder has 2 kg water at 1000 kPa, 250°C which is now cooled with a constant loading…
A: in this question we determine volumes by using Table B.1.2 and B.1.3 and then use heat transfer…
Q: What is the net change in internal energy of the system after one cycle? - 50.6 kJ 50.6 kJ O - 60.8…
A: Given :-
Q: Calculate the change in entropy of 1.0 kg of lead when it cools from 500 °C to 100 °C. Take Cp,m=…
A: mass of lead (m) = 1 kg initial temperature = 500o C final temperature = 100o C Cp = 26.44 Jk-mol
Q: Isothermal: T = constant Adiabatic: S= constant; Q =0 a+1 pV = const.; V*-\T = const.; y=- Boltzmann…
A: We have to explain the formula mentioned above Concept of thermodynamics and statistical mechanics…
Q: Suppose that Process B and Process C, each have a lower specification limit (LSL) of 2, and an…
A: Process capability is an important statistical tool. It is used to measure the ability of a process…
Q: a. Automobile fuel ignites at about 550 K. Estimate the Carnot efficiency assuming that this is the…
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Q: An ideal diatomic gas follows the thermodynamic cycle illustrated in the given PV-diagram. The…
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Q: 11. Ahelium-filled toy balloon has a gauge pressure of o.200 atm and a volume of 10.0 L. How much…
A: Given : Pg = 0.200 atm = 0.200 × 1.013 × 105 = 2.026 × 104 Pa V = 10 L = 0.01 m3
Q: A process at constant volume pressure takes n mole monatomic from an initial temperature T to a…
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Q: 2. A system has the fundamental relation S= AN/4 V 1/4U1/2 , in which A is a positive constant, U is…
A: a. Using the given relation, S=AN1/4V1/4U1/2U1/2=SAN1/4V1/4U=S2A2NV…
Q: 1. What is the efficiency of a steam engine if it absorbed an energy of 2.5 x 108 J from the boiler…
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Q: An ideal gas initially at Pi=2atm Vi=3m^3and Ti follows the cycle shown. a. Find the net work done…
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Q: 3 moles of O2 at 1 atm and 500K expands isothermally to 0.3 m3. What is the change in entropy of the…
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Q: Homework 6 Problem 4: A mass m of water is heated reversibly from temperature T1 to T2 at a…
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Q: A process at constant volume pressure takes n mole rigid diatomic from an initial temperature T to a…
A: Given value--- initial temperature = T. final temperature = 3T. We have to find--- Change in…
Q: Question B2i. Give an equation for the infinitesimal change in entropy, ??, of a system in terms of…
A: The objective of the first part of the question is to provide the equation for the infinitesimal…
Q: 1. A certain gasoline engine has an efficiency of 31%. What would the hot reservoir temperature be…
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Q: 2. Stirling Cycle A diatomic ideal gas (n moles) goes through cycle a-b-c-d-a as shown in the…
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Consider a process (expansion/compression) of a gas (e.g. Ar) in a sealed cylinder surrounded by another gas (e.g. air). Which of the following statements is correct in regards to a change in entropy?
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- Problem 5 Consider a substance that has a melting temperature of T= 159 K at p=1 atm and a melting enthalpy of AHm = 4900 J/mol. Determine the entropy of melting the substance.When 2.1 kg of water at 12.3 °C is mixed with 3.7 kg of water at 39.7 °C in a well-insulated container, what is the change in entropy of the system? Part A Make an estimate. Express your answer to two significant figures and include the appropriate units. HÁ ? AS = Value Units Submit Request Answer Part B Use the integral AS = [dQ/T. Express your answer to two significant figures and include the appropriate units. HA AS = Value Units Submit Request AnswerMatch each of the terms given below with the particular constraints that it implies about a thermodynamic process. isothermal isobaric A. dq = 0 Β. ΔΡ = 0 C. dw = 0 D. AV = 0 isochoric ◆adiabatic E. An = 0 F. AT=0
- 5:59 PM Thu Apr 29 L 40% O Submit Problem 2 Unanswered An engine runs with an intake temperature of TH = 450K and exhaust temperature of Tc = 300K. The engine's manufacturer claims the engine has an efficiency of 30%. Which of the following statements is correct?- The claimed efficiency is bogus because it violates the 2nd law of A thermodynamics. The claimed efficiency does not violate the 2nd law of thermodynamics. Submit5. For a system, the thermodynamic as)vn energy U is defined as a function of S, V, and n which is U(S,V,n) = kn3V 3e3nR %3D where S is the entropy, V is the volume, n is the number of moles, K is the constant, and R is the gas constant. Determine a. Based on the theory in Thermodynamics, (), T = Determine, b. Based on the theory in Thermodynamics, Pressure P = . S,n 5/8 Determine c. Determine ne d. Determine dU in dS, dV and dnA process at constant pressure pressure takes n mole rigid diatomic from an initial temperature T to a final temperature 3T. Calculate the change in enthalpy, AH. Select one: O a. AU = 5n RT O b. Ο c. O d. AH = 9n RT ΔΗ = 11nRT AH = 7nRT