55 : When 40 kcal of heat is supplied to system, its internal energy increases by 84000 J. Calculate external work done by the system. mechanical equivalent The of heat is 4200 J/kcal.
Q: 4. We are heating water in a closed pot 30Kj of heat is given to the pot while 5kJ is wasted through…
A: Given Initial energy of system = U1 = 10 kJ Net amount of heat system takes Q = 30 - 5 = 25 KJ…
Q: 4. Water is being heated in a closed pan on top of a range while being stirred by a paddle wheel.…
A:
Q: 19. Water is heated in an open pan where the air pressure is one atmosphere. The water remains a…
A:
Q: 4-The following data lists the rate at which work is done and the rate of heat generation (both in…
A: W = Work done Q = Heat generated
Q: In a certain thermodynamic process, 20 cal of heat are removed from a system and 30 cal of work are…
A:
Q: 37) During an isothermal process, 5.0 J of heat is removed from an ideal gas. What is the work done…
A: In the given question, Amount of heat removed from the system (Q) = 5.0 J The process is isothermal…
Q: How much heat transfer (in J) occurs from a system if its internal energy decreased by 260 J while…
A:
Q: Suppose a woman does 600 J of work and -9400 J of heat transfer occurs into the environment in the…
A: Work, W = 600 JHeat, Q = -9400 JEfficiency, Eff = ?
Q: engine does 12 kJ of work and 7.50 kJ of heat transfer occurs to the environment in a cyclical pro
A: Givenwork. W=12 kJHeat transfer to environment, Q1=7.5 kJ
Q: A person makes a quantity of iced tea by mixing 240 g of hot tea (essentially water) with an equal…
A:
Q: Suppose that you had water in a pot on a stovetop. Neglecting the material that the pot is made out…
A: Given data: Power (P) = 1000 W Mass (m) = 1.44 kg Initial temperature (T0) = 10°C Final temperature…
Q: How much total heat transfer is necessary to lower the temperature of 0.155 kg of steam from 145.5…
A: mass = 0.155 kg initial temperature = 145.5 C final temperature = - 15.5 C Total heat energy…
Q: 3. Suppose that 150 J of work is done on a system and 35.0 cal is extracted from the system as heat.…
A:
Q: Which of the following statements is TRUE regarding a thermodynamic system? * A. It must be isolated…
A: Thermodynamical system is the system in which all the thermodynamical variable thermodynamical…
Q: Cite an example where Zeroth Law of Thermodynamics is applied. Give a brief discussion.
A: The zeroth law of thermodynamics states that if two thermodynamic systems are each in thermal…
Q: How much total heat transfer is necessary to lower the temperature of 0.215 kg of steam from 145.5…
A:
Q: An iron block weighs 5N and has a volume of 200 cm^3. What is the density of the block in kg/m^3?…
A: Density of any material is defined as the mass per unit volume and it is given by the expression ρ =…
Q: A heat engine exhausts 3 200 J of waste heat while performing 1 500 J of useful net work. What is…
A: Second law of thermodynamics
Q: During the isobaric expansion from A to B represented below, -80 J of heat is removed from the gas.…
A: Heat removed = -110 J
Q: How much heat transfer occurs from a system, if its internal energy decreased by 150 J while it was…
A: Given: Internal Energy (△U) = - 150 Joule Net work done ( W) = 30 Joule
Q: 12. A block is pushed up a rough ramp, at constant speed, by a force that is parallel to the ramp…
A:
Q: 25) In a flask, 114.0 g of water is heated using 67.0 W of power, with perfect efficiency. How long…
A:
Q: When amount of heat Q is added to a system, and no work is done on it or done by it, its internal…
A: According to the first law of thermodynamic the expression for internal energy is ∆U=Q-WAs the work…
Q: 30. For a thermodynamic cyclic process, a)the total internal energy change must be zero b)the heat…
A: Please see the answer below.
Q: In an industrial process, a gas phase refrigerant reduces its internal energy by 70 kJ by means of a…
A: Given data dU=-70 kJWin=-20 kJWout=+100 kJ
Q: 8. Calculate the efficiency of a fossil-fuel power plant that consumes 382 metric tons of coal each…
A:
Q: 36. Go Under constant-volume conditions, 3500 J of heat is added to 1.6 moles of an ideal gas. As a…
A:
Q: Compute the change in internal energy of a 1-kmol sample of dry air if its tempera- re is raised by…
A: Given: The moles of gas in the sample of dry air are 1 kmol. The temperature of dry air is raised by…
Q: 2. As an example of microscopic thermodynamic analysis based on thermal-energy microstates, the…
A:
Q: 3) A thermodynamic system undergoes a process where its internal energy increases by 200 J. During…
A:
Q: How does the first law of thermodynamics apply to systems that are not isolated?
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Q: 38) In an adiabatic compression, 200 J of work is done on a gas. What is the change in internal…
A: We have a compression process which is adiabatic in nature where a work of W=-200 J is done on the…
Q: 23. No system can absorb heat from a single reservoir and convert it entirely into work without…
A: According to the second law of thermodynamics, there is no device which converts all the energy into…
Q: A system does 1.80×10* Jof work while 7.50× 10° J of heat transfer occurs to the environment. What…
A: The following data are given: Work done, ∆W=+1.8×108J (positive sign appears because the system is…
Q: A freezer is to convert 1.76 kg of water at 29.6°C to 1.76 kg of ice at -4.27°C. If the coefficient…
A: Given m=1.76 kg Cwater=4190 j/(kg. K) Cice=2100 j/(kg k) L=3.34 x 105j /kg
Q: 2. As an example of microscopic thermodynamic analysis based on thermal-energy microstates, the…
A: In both Conditions, 1st Calculate number of microstate of both system. Then put into entropy formula…
Q: In March 2006, two small satellites were discovered orbiting Pluto, one at a distance of 48,000 km…
A:
Q: 43) The compressor in a refrigerator performs 580 J of work to remove 160 J of heat from the…
A:
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