An open system is one in which.. A. Mass does not cross boundaries of the system,through energy may do so B. Neither mass nor energy crosses the boundsries of the system C. Both energy and mass cross the boundaries of the system D. Mass crosses the boundary but not the energy

Q: Energy transformation from one form to another can occur O through the system boundaries inside the…

A: Energy can be transferred to or from a system as heat and/or work. The energy is conserved for…

Q: Heat transfer occurs whenever there is a ____ difference between two substances. a) volume b)…

A: Energy transfer is movement of energy from one place to another place. And there should be a…

Q: A change of the system energy, AE, can be: a) positive, b) negative, c) of any sign or zero.

A: The first law of thermodynamics states that the change in internal energy of a system equals the net…

Q: Heat is negative when energy is transferred to a system from its environment

A: Correct option is:

Q: A gas with a density of 1.0 lb/ft3 weighs 4.0 lbf on the Moon, where the acceleration of gravity is…

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Q: For a refrigerator or air conditioner, the coefficient of performance K (often denoted as COP) is…

A: Concept:-COP=cooling output J  or WInput electrical energy J or W                J=Joule…

Q: 1. The _____________represents a generalization of the principle of conservation of energy to…

A: First law of thermodynamics is a general principle which represents the conservation of energy and…

Q: Extensive property of a system is one whose value *

A: Their are two property : Intensive  Extensive Extensive property are those which changes with amount…

Q: heat within the wall, the irreversibility (in W) due to heat transfer through the wall is

A: Given data;

Q: In a non-flow process carried out 5.4 kg substance, there was a specified internal energy decrease…

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Q: An isolated system is at rest. There is no change in the system potential energy. What is the change…

A: Solution: The internal energy of a system is determined by the random, uneven molecular movement; in…

Q: 3. (a) State and explain work-kinetic energy theorem. Discuss the meaning of work done as positive,…

A: Given: To state and explain work-energy theorem.m=700 Kgs=20 ma=g5

Q: Which is correct for closed system Select one: а. Energy Out Mass in System Mass Out Syster Boundary…

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Q: Explain why work is not a property of the system.

A: In Thermodynamics, work is defined as a boundary phenomenon through which energy is interacted…

Q: Thermal mass is a property of the mass of a building which enables it to store:

A: Thermal Mass: The ability of a material to absorb and store heat or thermal energy is a Thermal…

Q: As shown in figure below, 5 kg of steam contained within a piston–cylinder assembly undergoes an…

A: Given, mass of steam, m=5kginternal energy of steam at state1,  U1=2709.9KJ/kgInternal energy of…

Q: Consider the PV diagram as shown above when a thermodynamic system changes its state from state a to…

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Q: When energy in the form of heat is added to a body, it is stored as heat. True

A: When the energy in the from of heat is added to the body, then this energy increases the internal…

Q: In isolated system O neither mass nor energy crosses the boundaries of the system mass does not…

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Q: The rotational moment is the product of angular acceleration and

A: Rotational moment is nothing but the torque.  Torque : It is nothing but moment of force that force…

Q: In the rotational frame, work done between two instances of rotational states is nothing but the…

A: The overall work done to turn a rigid body through a point almost a fixed pivot is the sum of the…

Q: 3. If a miniature engine does 520. J of work to cause a car in motion with a distance of 260, m, how…

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Q: A thermodynamical system performs work and at the same time exchanges energy to the outside…

A: Given         Work done = 9.794 J  Internal energy = 8.569 J  Find   Heat exchange

Q: The resultant force acting on a moving fluid is equal to mass x velocity mass density x discharge x…

A: Force = mass * dv/dt

Q: 1. The condition of a system as described by its properties ........ a. System b. Process C.…

A: It is required to determine: 1. Condition of a system that can be described by its properties. 2.…

Q: In rectilinear motion of a particle, the work is equal to the change in the .kinetic energy of the…

A: Work energy principle for rectilinear motion, For particle if it performs rectilinear motion under…

Q: Five lbs of propane is contained in a closed, rigid tank initially at 80 lbf/in.2, 90°F. Heat…

A: Find the properties of superheated propane at 80 psi and 90 degree Fahrenheit from the thermodynamic…

Q: If a system is at steady state, does this mean intensive properties are uniform with position…

A: Steady state system is system where the properties doesn't changes with time.ie. if all the…

Q: Given: Four masses m, m, m, and m, are 300 kg, 400 kg, 320 kg, and 340 kg respectively. The…

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Q: Derive the law of corresponding state and explain its significant

A: According to reduced state properties - TR = TTC , PR = PPC and vR = vvC The Van der Waals equation…

Q: A closed system consisting of 2 lb of a gas undergoes a process during which the relation between…

A: a)  density is calculated using 1/v1 and 1/v2 volume = mass/density b) P1V1n=P2V2n

Q: The flow of energy into and out of a system is known as

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Q: A system is taken from state A to state B along two different paths 1 and 2. The heat absorbed and…

A: Given:-Initial state AHeat absorbed=Q1Work done=W1Final state BHeat absorbed=Q2Work done=W2To…

Q: Carbon dioxide (CO2) fills a closed, rigid tank fitted with a paddle wheel, initially at 80°F, 50…

A: Assumptions taken into this question are: - Constant specific heat is variable - Kinetic and…

Q: __________are a systems in which there is a transfer of mass across the boundaries

A: A thermodynamic system is a body of matter and/or radiation confined by walls in space with certain…

Q: When a system is at steady state, its density can change (circle the right answer) a) only from one…

A: When a system is at steady state , it's density can change

Q: In any process where heat is added to the system and work is done by the system,the net energy…

A: This question is from thermodynamics fist law.

Q: If the net work done is positive, the kinetic energy of a moving object

A: From the first law of thermodynamic which is the law of conservation of energy according to which…

Q: The system total energy is always conserved, when (mark all): a) a closed system undergoes a…

A: First law of thermodynamics states that energy can neither be created nor destroyed, rather it…

Q: Extensive property of a system is one whose value

A: Extensive property : It is the property which depends upon the system size .   Intensive property :…

Q: If a gas is heated against a pressure, keeping the volume constant, then work done will be equal a)…

A: Let us discuss given questions of thermodynamics.

Q: Closed system can exchange energy and matter

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Q: The work associated with a moving boundary is called ______________.

A: The work associated with moving boundary is associated with the expansion and compression of a fluid…

Q: 1. Forces which do not work like constrained forces called a. Active forces b. Negative forces c.…

A: Dear student,                      According to the guidelines, I am allowed to answer only three…

Q: A piston cylinder contains 2.0 kg of steam, which expands from state one(U=2700 KJ/Kg) to state two…

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Q: By the sign convention, work is positive when a system does work on its surroundings. O True False

A: In thermodynamics, the classical sign convention for both heat and work is as follows  Work Transfer…