An air-conditioner maintains the room temperature at 27 °C while the outside temperature is 47 °C. The heat conducted through the walls of the room from outside to inside due to temperature difference is 7000 W. The minimum work done by the compressor of the air- conditioner per unit time is W.
Q: A hot air balloon is being inflated to its full extent by heating the air inside it. In the final…
A:
Q: Steam at 100°C is used to warm 350 g of water contained in a 300 g aluminum container. The initial…
A: Temperature of steam: Mass of water in Aluminium container: Mass of Aluminium container: Initial…
Q: 1. During an experiment, a student added 35 J of heat to a system. At the same time, the environment…
A:
Q: As shown in the figure, an air conditioner operating at steady state maintains a dwelling at 70°F on…
A: The Given Data: The Inside Dwelling Temperature, Ti=70° F=294.261 K The Outside Temperature, To=102°…
Q: In a thermodynamic process, 1500 J of heat flows into the system and, at the same time, the system…
A: The heat flow into the system is ∆Q = 1500 J. The constant external pressure is P = 9.0x104 Pa. The…
Q: Three moles of an ideal monatomic gas are at a temperature of 375 K. Then 2583 J of heat is added to…
A:
Q: What is the change in internal energy of a system that takes in 4.63 106 J of heat, and does 4.50…
A: Heat given to the system Q1 = 4.63 × 106 J Wone by the…
Q: A workshop with well-insulated walls and containing 800 m of air at 305 kK is ted at constant…
A: Write the given values of the problem- Volume=800 m3 Temperatue=305 k ∆T=2.90°CHeight=hh=3.10 m
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: An ideal gas is allowed to expand from a volume of 4.00 m3 to 6.00 m3, while kept at a constant…
A: Solution:
Q: The drawing (not to scale) shows the way in which the pressure and volume change for an ideal gas…
A: Prove that QcQh=TcTh given: Qh is input Heat during isothermal expansionand QC is heat released…
Q: A container holds 4.0 x 1022 molecules of an ideal gas at 0 °C. A piston compresses the gas, doing…
A:
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: The system gains 159 J of heat, while it does 15 J or work on the surroundings. After a few minutes,…
A: Given data: Heat gain by the system, Q1= 159 J Work done on the surrounding is, ∆W=15 J The heat…
Q: One mole of an ideal gas first undergoes an isothermal expansion at a temperature T1 = 650 K to 5…
A:
Q: A 0.264-kg coffee mug is made from a material that has a specific heat capacity of 907 J/kg C° and…
A:
Q: A system gains 2990 J of heat at a constant pressure of 1.23 × 105 Pa, and its internal energy…
A:
Q: Three moles of an ideal monatomic gas are at a temperature of 322 K. Then 2623 J of heat is added to…
A: the first law of thermodynamics, Q=du+W2623 J=du+-745 Jdu=3368 J the change in internal energy for…
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: The interior of a refrigerator has a surface area of 6.2 m2 . It is insulated by a 2.9 cm thick…
A: The surface area of the interior of the refrigerator is 6.2 m2. The thickness of the material is 2.9…
Q: An immersion heater of power J= 500 W is used to heat water in a bowl. After 2 minutes, the…
A: According to thermodynamics - In first 2 minutes, heater gives heat to the water - Q1=Jt1 Where Q…
Q: At constant atmospheric pressure, a gas is compressed from 3.08 m3 to 3.00 m3. If its internal…
A: The First Law of Thermodynamics describes the conservation of energy. Heat supplied to the system is…
Q: A closed system containing gas is fitted with a movable piston. The introduction of 430 J of thermal…
A: Given: A closed system containing gas is fitted with a movable piston. The introduction of 430 J of…
Q: A system undergoes a two-step process. In the first step, the internal energy of the system…
A:
Q: A closed system consisting of a hot air balloon expands by 5 x 10^2 L at a constant temperature with…
A: From first law of thermodynamics ΔU=Q−WFor constant temperature process, Change in internal energy…
Q: expands, it does 280 J of work. What is the change in the internal energy AU of the gas during this…
A: For an ideal gas, internal energy is only the function of temperature. And given that we have…
Q: 3 A mixture of fuel and air is enclosed in an engine cylinder fitted with a piston. The gas pressure…
A:
Q: 0.80. Calculate the surface temperature of the probe. Assume that there are no radiative
A: Given: d=65 cm P=450 W e=0.80 Formula used: A=π4d2 PA=eσT4
Q: The interior of a refrigerator has a surface area of 5.6 m2 . It is insulated by a 2.3 cm thick…
A: The rate Hcond at which energy is conducted through a material whose faces are maintained at…
Q: A 1.0 x 102-kg steel support rod in a building has a length of 2.0 m at a temperature of 20.0°C. The…
A: Part A:
Q: 3000 J of heat are added of an ideal gas. Find the internal energy of the ideal gas if the work done…
A: Since work is done by gas, it's sign will be negative. W = -400J Since heat is given to the system,…
Q: In the extrusion of cold chocolate from a tube, work is done on the chocolate by the pressure…
A: By condition,
Q: A rigid tank of volume V is subdivided into rigid partition. Volume V₁ contains an ideal =…
A:
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: If the plant operates at 50.0% of its maximum efficiency and its power output is 1.23 × 108 W, at…
A: The given data are: TH=540 KTL=313 KQH=1.23×108 W Here, TH is the higher temperature, TL is the…
Q: An air-filled cylinder with a movable piston has a heat reservoir in con- tact with it. The heat…
A:
Q: An ideal gas expands at a constant total pressure of 2.5 atm from 480 mL to 830 mL . Heat then flows…
A:
Q: A typical weather balloon is made of a thin latex envelope that takes very little force to stretch,…
A:
Q: A gas is compressed from an initial volume of 5.65 L to a final volume of 1.21 L by an external…
A:
Q: A gasoline engine has a power output of 170 kW (about 2.28×105 hp ). Its thermal efficiency is 22.0…
A:
Q: A system gains 3080 J of heat at a constant pressure of 1.28 × 105 Pa, and its internal energy…
A:
Q: What is the change in internal energy of a system which does 4.50×105J of work while 3.00×106 J of…
A: The change in internal energy(ΔU) of a system.given,workdone(W)=4.50×105 J Heat goes…
Q: A stationary mass of gas was compressed (without friction) at constant pressure. Its state was…
A: The first law of thermodynamics is the law of conservation of energy. It states that between any two…
Q: An ideal gas is held at a constant temperature of 370 K as it expands slowly from a volume of 0.70…
A:
Q: A gas in a cylinder expands from a volume of 0.110m^3 to 0.320 m^3. Heat flows into the gas just…
A: (a) Express the relation for the work done by the gas. Here, The work done by the gas is W. The…
Q: If 2 forms of energy transfer act on a sample of 2.0 moles of ideal monatomic gas = 1.5 x 103 J and…
A:
Step by step
Solved in 2 steps with 1 images