1. Sketch the cycle 2. Determine Q cycle and Q31

Q: A thermodynamic process occurs with a heat lost by the system. Does the entropy of the system…

A: No beacuse heat loss means increase in entropy according to second law  of thermodynamics.

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: Answer each item by choosing the correct answer. 1. Which thermodynamic process has variable volume…

A: Thermodynamic process.- Any process which contains any involvement of thermodynamic variables is…

Q: nd Carnot efficiencies.

A:

Q: The efficiency of a Carnot heat engine is 25%. It takes 4000 J of heat input. What is the heat…

A:

Q: The temperature inside of a house is 27 ºC and outside is –23 ºC ? Determine the change in entropy…

A: The change in entropy of the system at constant temperature is given by  Where  = Entropy Change,…

Q: In the shown Figure, the net work done by the gas during the close cycle is equal to: p (P.) 6x10…

A:

Q: For an isothermal expansion process following the EOS P(V-b)=RT, where b is a positive constant, the…

A: We know, For an isothermal process, the temperature is constant. Again, the internal energy is the…

Q: The heat of melting of ice at 1 atmosphere pressure and 0°C is 1.4363 kcal/mol. The volume of ice is…

A:

Q: 1.75 kg of carbon dioxide sublimate from solid dry ice to a gas at a pressure of 100 kPa and a…

A: Given mass of carbon dioxide m=1.75 kgTemperature T=194.7 KLatent heat of sublimation L=5.77×105…

Q: For the following items, determine the following: a. The thermodynamic process the problem…

A: The changes at constant volume is called isobaric process .

Q: P PA A В + 2 10 V (L) 6. 8 4-

A:

Q: Find the internal energy of an ideal gas compressed isobarically from 12 L to 1 L at 0.78 atm if 361…

A:

Q: 34. Which of the following statements is a good representation of the 2nd law of thermodynamics: a.…

A: Given There are five options mentioned We have to choose the correct option that hold good for…

Q: 5. A Carnot engine works between two heat reservoirs at temperatures Thot= 301.0 K and Tcold= 220.0…

A: Efficiency of carnot engine working between two temperature is given by η=1-T2T1=1-Q2Q1 where…

Q: 4. Calculate the entropy of Van der Waal's gas a function of femp. and volume.

A:

Q: 26. It is impossible for a refrigerator working in a cycle to produce only the effect of absorbing…

A: The correct option is C.

Q: 2. What is a Carnot Engine and how is its efficiency different from a real engine and or a heat…

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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: Is this one of the four special thermodynamic process we studied? If yes, which one? If no, say so.

A: The curve for the isobaric process follows the following equation : P=constant That means the curve…

Q: Initial 0.5 0.5 Molume (V Ca amssana

A: Thermodynamics deals with the concepts of heat and temperature and the inter-conversion of heat and…

Q: In a specific heat test, 200 g of aluminum C, 0.215- g oc is mixed with 50 cal ? g of water at 20 °C…

A: Given data, Specific heat of the aluminum = 0.215 Cal/gm.oC Mass of aluminum = 200 gm Initial…

Q: 2. In lecture, it was stated that the ideal efficiency of the Otto cycle is € = 1 -(V2/V) 1 where Vi…

A: Here is the Answer and Explanation

Q: A. Find a correct statement of the 1st law of thermodynamics if kinetic and potential energy changes…

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Q: Which of the following statements about an ac process is untrue? The change in entrony is zero

A: Given Data : Adiabatic process

Q: A given amount of water loses heat. Does the entropy of the water increase or decrease? Does this…

A: The second law of thermodynamics states that the entropy of the universe never decreases.

Q: For isothermal reversible expansion of an ideal gas, which of the following quantities: ΔU, ΔH, ΔS,…

A:

Q: A heat engine operating between -10 degrees Celsius and 40 degrees Celsius achieves 50% of the ideal…

A: Hello. Since your question has multiple sub-parts, we will solve first three sub-parts for you. If…

Q: 2. A heat pump cycle whose coefficient of performance is 2.5 delivers energy by heat transfer to a…

A: As per given, The coefficient of performance = 2.5 Energy delivered by heat pump = 20kW

Q: 1. Explain the difference between the first and second law of Thermodynamics. Next, explain how each…

A: Answer=  The first and second law are the most often involved laws in thermodynamics. The principal…

Q: 7. Write the formula for the computation of work if it is isobaric. 8. If the gas (system) is…

A: 7. Formula : W = P(V2 - V1) 8. The work is positive.

Q: 10 mol of N₂ gas expands at a constant temperature of 300 K from 2 L at 8 atm to 6 L at 4 atm. a)…

A: Given:- The number of moles of gas is n = 10.  The constant temperature T = 300 K. The initial…

Q: Q6. Which quantity needs to be decreased (TL or TH) to increase the efficiency of a Carnot engine…

A: efficiency = 1-(Tl/Th) where Tl is lower temperature  Th is higher temperature.

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: The pressure of the air in a starting vessel is 40 bar and the temperature is 24 °C. If a fire in…

A: Since the volume of the vessel remains the same before and after the process it represents the…

Q: Identify the processes in the cycle. Þ 1. Path AB = The temperature in (1) is 350 K, the work done…

A:

Q: Isotherms 5

A: Given Here graph between Pressure-volume  is given in which different different processes are…

Q: Derive an expression for work done by an ideal gas, in isothermal process.

A: The small work done by the ideal gas is, dw=pdVbut pV=nRTp=nRTV⇒dw=(nRTV)dV integrate the above…

Q: 2.) One mole of a diatomic gas goes through a cycle in four steps: as shown in the V-T diagram. a)…

A: From step 1→2, process is isothermal because tempreture is constant.step 2→3, process is isochoric…

Q: a. b. 4. Based on the first law of thermodynamics, which of the following is wrong? The sum of the…

A: First law of thermodynamics state that Energy can neither be created nor be destroyed. Which can…

Q: 10 During an isothermal process at 88°F, the pressure on 8 lb of air drops from 80 psia to 5 psig.…

A:

Q: 2. Stirling Cycle A diatomic ideal gas (n moles) goes through cycle a-b-c-d-a as shown in the…

A:

Q: 5. Given the equation for hypothetical system InZ = aT¹V Evaluate, the mean energy, entropy and…

A:

Instantaneous Power

Power is defined in physics as the amount of energy transmitted or transformed per unit time. The watt is the unit of electricity in the International System of Units, equivalent to one joule per second.