Determine the following: (1) Total change in internal energy, (2) Heat absorbed by the air, and (3) Work done.

Q: (a) The average mpg rating for an older model of a car is 25.3 miles to the gallon and it takes 6.40…

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Q: A house has well-insulated walls. It contains a volume of 100 m3 of air at 300 K. (a) Calculate the…

A: Type of room is insulated  Volume of air: V = 100 m Temperature of room: T = 300 K Change in…

Q: An ideal gas initially at 300K undergoes an isobaric expansion at 2.50kPa.if the volume increases…

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Q: Suppose 1.9 mol of an ideal gas is taken from a volume of 3.0 m3 to a volume of 1.4 m3 via an…

A: The gas’s initial volume is, The gas’s final volume is, The number of moles of a gas is, The…

Q: A balloon holding 3.00 moles of helium (He) gas absorbs 895 J of thermal energy while doing 152 J of…

A: When a system moves from initial state to final state, then work W and heat Q both depends on the…

Q: A fish at a pressure of 1.1 atm has its swim bladder inflated to an initial volume of 8.16 mL. If…

A: Given Data: The initial volume of the fish swim bladder is V1=8.16 mL.The initial pressure is P1=1.1…

Q: Determine in which case is heat added to the system? (a) ΔU = –43 J, w = 40 J; or (b) ΔU = 31 J, w =…

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Q: If a system has 325 kcal of work done to it, and releases 5.00 × 102 kJ of heat into its…

A: Given:  Work done, W = 325 kcal = 325 x 4.18 kJ = 1358.5 kJ As there are 4.18 J in one cal.  heat…

Q: A refrigeration system uses water-cooled condenser for rejecting the waste heat. The system absorbs…

A: It is given that,

Q: A piston-cylinder assembly contains 0.7 lb of air initially at a pressure of 30 lbf/in² and a…

A: Given: Let us consider the given data, Air's mass, m=0.7 lb Initial pressure, P1=30 lbfin2 Final…

Q: In an Isobaric process ( P =  2.0x105 Pa), increasing the temperature of 10.0 g of  liquid water by…

A: P =  2.0x105 Pa temperature =15oC mass = 10 g change in volume = 1.0 x 10-8m3

Q: A system gains 2990 J of heat at a constant pressure of 1.23 × 105 Pa, and its internal energy…

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Q: During an experiment, a student added 35 J of heat to a system. At the same time, the environment…

A: (a) Express the first law of thermodynamics. ∆U=Q-W Here, ∆U is the change in internal energy of the…

Q: Consider an adiabatic humidification system shown below. The humidifying efficiency is E = 0.8, the…

A: In this question we use :                                   Vca=mcaRTcaPcaR = gas…

Q: An ideal gas undergoes isothermal compression from an initial volume of 4.95 m3 to a fınal volume of…

A: Given: gas : idealprocess : isothermal compressionVi=4.95 m3Vf=2.93 m3n=5.01 molT=36.9°C=309.9 K

Q: Carnot refrigerator extracts heat from a freezer at -5.00°C and exhausts it at 25°C. How much work…

A: Given T1 = 25 0 C = 25+273 = 298 K T2 = 273 -5 = 268 K Heat extracted Q2 = 1 J

Q: A freezer is to convert 1.5 kg of water at 27.9°C to 1.5 kg of ice at -4.42°C. If the coefficient of…

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Q: A saucepan containing 5.00 kg of water initially at 20.0°C is heated over a gas burner for 10.0 min.…

A: Given data m=5 kgT1=20°CT2=30°C

Q: Suppose 2.0 mol of an ideal gas is taken from a volume of 3.5 m to a volume of 1.7 m3 via an…

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Q: A 1.00-kg block of aluminum is warmed at atmospheric pressure so that its temperature increases from…

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Q: A gas in a cylinder is held at a constant pressure of 1.75 x 105 Pa and is cooled and compressed…

A: (a) Since the pressure is remains constant, the expression for work done is, W=PV2-V1…

Q: An ideal heat pump does 400 J of work to keep the temperature in a dorm room at 20◦ C by dumping…

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Q: f a gaseous system is compressed by its surroundings and has 35 J of work done on it, what kind of…

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Q: 6. An ideal gas undergoes a cyclic process in which total (positive) work W is done by the gas.…

A: Given, An ideal gas undergoes a cyclic process, net work done by the gas is, W

Q: When a gas follows path 123 on the PV diagram in the figure below, 415 J of energy flows into the…

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Q: ethane in a closed system is compressed frictionlessly from 95 to 190 kPa in such a manner that…

A: Given data P1=95 KPaP2=190 KPaV1=0.045 m3Q=-2.96 kJ

Q: One mole of an ideal gas is kept in a container at an initial pressure of 2 kPa and temperature . It…

A: The first law of thermodynamics is just energy conservation law for thermodynamical process. It says…

Q: A food department is kept at 212°C by a refrigerator in an environment at 30°C. The total heat gain…

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Q: Suppose 1.9 mol of an ideal gas is taken from a volume of 3.0 m3 to a volume of 1.4 m3 via an…

A: number of moles = 1.9 initial volume = 3 m3final volume = 1.4 m3T = 31 C  = 304 Kusing ideal gas…

Q: Questions 18 through 20 pertain to the situation described below: A 2.30-mol ideal diatomic gas,…

A: Given, the number of moles, n=2.30-mol for diatomic gas, λ=1.40 initial temperature, T1=123.0°C=396…

Q: A freezer is to convert 1.67 kg of water at 28.8°C to 1.67 kg of ice at - 4.8°C. If the coefficient…

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Q: 3. ssm A system does 164 J of work on its environment and gains 77 J of heat in the process. Find…

A: Part-a Given: The work done by the system W = 164 J. The heat gain in the system Q = 77 J.

Q: In a closed system, volume changes from 1.5m³ to 7.5m³ and heat addition is 200kJ. Calculate the…

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Q: A Carnot refrigerator is maintaining foodstuffs in a refrigerator area at 4.44°C by rejecting heat…

A: This is based on thermodynamical principle and working of refrigerator.

Q: engine

A: Efficiency for a Carnot engine is given by the following formula. η=1-T2T1orη=WQ1 where T1 and T2…

Q: A system absorbs 50 J of heat during a transformation. Determine the change in internal energy if…

A: The amount of heat absorbed during the transformation is given by Q=50 J

Q: An ideal gas initially at 300 K undergoes an isobaric expansion at 2.50 kPa. If the volume increases…

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Q: When 1.00 g of water at 100 °C changes from the liquid to the gas phase at atmospheric pressure, its…

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Q: A system consists of a sealed steel cylinder containing a volatile gas mixture. The system is…

A: Here the process is adiabatic. for adiabatic process no heat enter or lave the system.

Q: -What is the change in internal energy of a system which does 3.5 x 10^5 J of work while 3.00×10^6 J…

A: Given data The work done by the system is W = 3.5 x 105 J. The heat transferred to the system is…

Q: By jogging, a girl is converting food energy into internal energy at the rate of 399 kcal/h above…

A: The heat of the evaporation of fat is Qe = 399 kcal/h = 399 x 1.163 W = 464.037 W.The energy by work…

Q: A car tire contains 0.0390 m3 of air at a pressure of 2.20×105 N/m2 (about 32 psi). How much more…

A: Given information: Here, P is the car’s tire pressure and Patm is the atmospheric pressure and V is…

Q: 2.00 kg of water has a volume of 2.00 x 10-3m3 when in the liquid state at 100 °C. When the water is…

A: