The engine of a large ship does 2.00 ✕ 108 J of work with an efficiency of 4.00% (a) How much heat transfer (in J) occurs to the environment?   (b) How many barrels of fuel are consumed, if each barrel produces 6.00 ✕ 109 J of heat transfer when burned?

Q: The first law of thermodynamics states that the change AU in the internal energy of a system is…

A:

Q: In a steam generator, a 4.7 m3 of water enters at a velocity 15m/s , 750 kpa and Internal energy of…

A:

Q: Calculate the net work output (in J) of a heat engine following path ABCDA in the figure, where V1 =…

A: Write the given values from the diagram.

Q: On a winter day, a certain house loses 1.12 x 108 J of heat to the outside. What is the total change…

A:

Q: A system does 1.80×108 J of work while 7.50×108 J of heat transfer occurs to the environment. What…

A: Given :

Q: What is the efficiency of a heat engine that uses an input heat of 6.70 x 104 J and rejects 3.28 x…

A:

Q: The efficiency of an engine is 0.510.  For every 1.20 kJ of heat absorbed by the engine, how much…

A:

Q: A heat pump (COP = 2.5) is used to maintain a lab temperature at 15° C for that 80 MJ of heat to…

A: SOlution: to find the statement is crrect or not

Q: A pot containing 3.80 kg of water is sitting on a hot stove, and the water is stirred violently by a…

A:

Q: Due to design changes, the efficiency of an engine increases from 0.30 to 0.50. For the same heat…

A:

Q: If work is done on a system, does the internal energy of the system increase or decrease? If work is…

A: Given:  Work done and internal energy

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: What is the total energy of a system if 200 J of work and 900 J of heat is added into the system?

A:

Q: In an isothermal process for an ideal gas system, where the internal energy is directly proportional…

A: Using law of thermodynamics dQ = dU + dW where dQ is the change in heat , dU is the change in…

Q: A 2.00 L container of left-over soup at a temperature of 323 K is placed in a refrigerator. Assume…

A: The container's volume is V = 2 Lt = 2 x 10-3 m3 The temperature of the left-over soup is Th = 323 K…

Q: A freezer needs an input power of 93.6 W to convert 1.80 kg of water at 25.0°C to 1.80 kg of ice at…

A:

Q: Which condition results to work done greater than the change in internal energy?     ΔU > 0; ΔS >…

A:

Q: A nuclear power plant operates at 66 % of its maximum theoretical (Carnot) efficiency between…

A:

Q: If the net work is 89 kJ and the efficiency is 61% how much heat is added in the system? O 145.98 kJ…

A: When we are transferring energy or doing some work then all of the work does not go into the system.…

Q: When a system is brought from state "a" to state "b" through path acb, 121 J of heat enter the…

A:

Q: A Carnot engine operates between temperature T1 =400K and T2 = 300K. It absorbs 100 cal heat from…

A:

Q: In a cyclic process, a heat engine absorbs 600 J of heat from a heat source, does work, and ejects…

A: The efficiency of a heat engine is, η=WQinη=Qin-QoutQin Here, Qin is the heat absorbed and Qout is…

Q: . If an incandescent light bulb requires 100 units of potential energy to deliver only about 15…

A: Given , Bulb require 100 unit of potential energy to deliver only 15 units of kinetic energy ( in…

Q: A system undergoes a two-step process. In the first step, the internal energy of the system…

A: Given: The increase in the internal energy of the system in the first step is 230 J. The work done…

Q: If a heat engine performs 200 J or work while absorbing 1000 J of heat energy from the hot…

A: Given data The work performed by the heat engine is given as W = 200 J. The heat absorbed by the…

Q: Air flows steadily at a rate og 0.5 kg/s through an air compressor, entering at 7 m/s, 100 kPa of…

A: Air flow rate through the compressor,  m' = 0.5 kg/s  velocity of air at the inlet to compressor ,…

Q: A system consists of 3.0 kg of water at 80°C. 30 J of work is done on the system by stirring with a…

A:

Q: Consider the change in the internal energy of a system. -What is the change in the internal energy,…

A: Given data: Work done by the system (W) = 4.725×105 J Heat added (Qin) = 3.2×106 J Heat rejected…

Q: A refrigerator works between temperatures TA = 105°C and TB = 5°C and has a quarter of the maximum…

A: Given:T1=105°C=378 KT2=5°C=278 Krate of work done Wt=30 watts

Q: According to the first law of thermodynamics, applied to a gas, the increase in the internal energy…

A:

Q: If a heat engine pulls 8330.0 J of heat from the hot reservoir and exhausts 6938.9 J of heat to the…

A:

Q: A given cyclical heat engine can do 1.6 × 105 J of work with 2.27 × 106 J of heat input. What…

A: Efficiency=η=WorkInput=1.6×105 J2.27×106 J=0.0705=7.05%

Q: A real heat engine works between two heat sources. The heat absorbed by the machine from the hot…

A:

Q: A thermodynamic system undergoes a process in which its internal energy decreases by 460 J. Over the…

A: Given data :- Decrease in internal energy ∆U = -460 J Work done on the system W = -204 J

Q: It is claimed that a certain cyclical heat engine operates between the temperatures of TH = 460°C…

A: The source temperature TH = 460 + 273 = 733 K The sink temperature TC = 153 + 273 = 426 K The work…

Q: A Carnot engine performs work at the rate of 450 kW while using 950 kcal of heat per second. If the…

A:

Q: According to the first law of thermodynamics, which of the following statements is true about the…

A: First law of thermodynamics.

Q: What is the change in the internal energy of the system if 4000 J of heat is added to the system and…

A: Given  Heat added Q=4000J Work done W=2300J

Q: *49. ssm Due to design changes, the efficiency of an engine increases from 0.23 to 0.42. For the…

A: Given Data: The efficiency of the original engine is, ηo=0.23. The efficiency of the improved…

Q: 32. A gasoline engine takes in 2500 J of the heat and delivers 500J of mechanical work per cycle.…

A: Please note : As per answering quidelines I can answer the first question(Q.32) only. Since this is…

Q: A heat engine receives heat from a source at 1500 K at a rate of 600 kJ/s and rejects the waste heat…

A: The efficiency of reversal heat engine is nrev=1-TLTH Here, TL is the low source temperature, TH is…

Q: If a machine does 74.76 kJ of work after an input of 88.36 kJ of heat, what is the change in…

A:

Q: A Carnot engine performs work at the rate of 490 kW while using 890 kcal of heat per second. If the…

A:

Q: It is claimed that, while running through a whole number of cycles, a heat engine takes in 23 kJ of…

A:

Q: The internal energy of a system increases by 1350 J when the system absorbs 1150 J of heat energy at…

A: Given Change in internal energy, ∆u=1350 J Heat absorbed by system , ∆q= 1150 J Constant pressure,…

Q: A heat pump is used to keep a house warm at 22∘C.   How much work is required of the pump to…

A:

Q: What is wrong with the claim that a cyclical heat engine does 4.00 kJ of work on an input of 24.0 kJ…

A: Work output is the difference between the heat transfer into the engine and heat transfer to the…

Q: When 1.60 x 105 J of heat transfer occurs into a meat pie initially at 20.0°C, Its entropy increases…

A: solution as

Q: What is the change in internal energy (in J) of a system that does 4.50 ✕ 105 J of work while 3.40 ✕…

A: