A fire is lit in a hot air balloon, causing 100 J of heat to flow into the air in the balloon.  While this happens, the air in the balloon expands, doing 70 J of work.  What is its change in internal energy, in Joules?

Q: (a) Rowing your shell to work one day, you give off 4.8 * 105J of heat and do 6.2 * 105J of work.…

A: Using the first law of thermodynamics, we can write, ∆U=q+w where ∆U is the change in internal…

Q: "A heat engine accepts 200 J of heat from a hot reservoir, does work, and releases 160 J to a cold…

A: Given  Heat taken Q1 = 200 J  Heat given to sink Q2 = 169 J

Q: roller coaster FAHAD for a-c ignore friction a) at which point is the Potential energy the greatest…

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Q: While riding his bicycle, Jans does 7.5 E7 J of work and gives off 4.3 E7 J of heat. What is the…

A: Given Data:Work done Heat released To Determine:The change in the internal energy of the person.

Q: 1. A 4kg ball is launched into the air from the ground with a speed of 18m/s. At the top of its arc,…

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Q: A system absorbs 362 cal of heat and the same time does 360 J of work. What is the change in…

A: Given, W= 360 J Heat absorbed ,Q= 362 cal= 1514608 J From First Law of Thermodynamics, we have…

Q: After you drive for a while your tires will gain some energy via friction and heat up. If the air…

A: Given  Heat added Q=150J  Work done by gas W=100J

Q: An electrical power station requires 1.1 × 1014 J of heat transfer into the engine and has an…

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Q: A gas in a closed container is heated with 10 J of energy in an isochoric process. Then, in an…

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Q: How much internal energy in Joule is generated when a (1.6100x10^1)-g lead bullet, traveling at…

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

A:

Q: Question #: 23 If a person who normally requires an average of 12,000 kJ (~ 3000 Cal) of food energy…

A: If a person who normally requires an average of 12,000 kJ (3000 kcal) of food energy per day…

Q: A TV tube of glass with zero pressure inside and atmosphere pressure outside suddenly cracks and…

A: Given that: Inside pressure, Pi=0 PaOutside pressure, Po= 1 atm=101325Volume of the tube,…

Q: The air inside a bicycle tire pump has 160J of work done on it as 56.4J of heat is added to it. What…

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Q: A heat engine exhausts 1100 J of heat in the process of doing 400 J of work. What is the heat input…

A: Given: Heat energy expelled by the engine=QC=1100 [J] Work done by the engine=W= 400 [J]

Q: A pearl diver fills his lungs with 5.25 LL of air at normal atmospheric pressure and then dives to…

A: Initial volume, V1 = 5.25 L => V1 = 5.25*10-3 m3 Initial pressure, P1 = 1 atm => P1 = 101325…

Q: A model steam engine of 1.00kg mass pulls eight cars of 1.00kg mass each. The cars start from rest…

A: Mass of engine, M = 1 kg  Mass of each car, M'=1 kg  Net mass of system = Total mass of 8 cars and…

Q: A system does 2.00 x 10° ) of work while 6.20 x 10 ) of heat transfer occurs to the environment.…

A: Given : Work done by the system (W) = 2 x 108 J Heat transfer to the environment (Q) = -6.2 x 108 J…

Q: work done on the copper bar

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Q: One mole of oxygen from 19 L expands to 21 temperature fixed at 310 k. What is the work done?

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Q: A 75 kg person cannot go out for a long time due to Covid-19 restrictions. That's why he rides a…

A: 80%Eelectric =Eheat              0.80Pt=mLv                       m=0.80PtLv

Q: A system does 1.95 × 108 J of work while 7.5 × 108 J of heat is transferred from the system to the…

A: Given data:  Work done by the system (W) = 1.95×108 J Heat transferred from the system to the…

Q: In the steam engine, the amount of heat is 4.18J and work is 2.0J, what is the change in internal…

A: Amount of heat, Q = 4.18 J Work, W = 2.0 J Change in internal energy of the system, ∆U = ?

Q: A weightlifter drinks a protein shake that contains 2.00 × 10² Calories. She then performs multiple…

A: Given Data:The protein shake contains the amount of energy isThe work done by the weightlifter is…

Q: Gas is sealed within a beaker with a movable piston top.  You decide to place the beaker into a…

A: The heat energy required to flow out of the beaker is,Q=60 J. The work done to compress the gas is,…

Q: In moving out of a dormitory at the end of the semester, a student does 1.56 x 104 J of work. In the…

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Q: In moving out of a dormitory at the end of the semester, a student does 1.17 x 10 Jof work. In the…

A: From the first law of thermodynamics, the heat added to or removed from any system is given as…

Q: During running, you lost 4.0×104 J of heat, and your internal energy also decreased by 1.6×105 J.…

A: Change in Internal energy, ∆U=-1.6×105J Heat lost, Q=-4.0×104J

Q: 250 J of heat leaves the system and 355.75 J of work is done on the system. Get the change of…

A: Given value--- 250 J of heat leaves the system . 355.75 J of work is done on the system. We have…

Q: P (10º N/m³)| 2.6 A 2.0 B 1.0 0.6 1.0 4.0 V (10° m³) Figure 15.42 15. What is the net work output of…

A: Given data: The volume at A and D is VA=VD=1x10-3 m3. The volume at B and C is VB=VC=4x10-3 m3. The…

Q: Problem 12: A system does 1.9 × 108 J of work while 5.5 x 108 J of heat is transferred from the…

A: Given : Work done (W) = 1.9 x 108 Joule  Heat transferred (Q) = - 5.5 x 108 Joule ..... (Negative…

Q: A system has initial internal energy of 30 J. An energy of 36 J is added to the system by heat while…

A: The laws of thermodynamics 1 state that: energy can be changed but cannot be destroyed or created…

Q: A gas is compressed inside a cylinder with an average force of 40 N acts to move the piston 0.20 m.…

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Q: A system absorbs 413 J of heat and does 177 J of work on its surroundings. What is the change in the…

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Q: A compressor draws in 0.5 kgm/s of air with 7 m/s speed, 100 kPa pressure, and 0.95 m3/kgm. The air…

A: Solution:-Given thatmass flow rate of air (m)=0.5 kg/sinlet speed (C1)=7 m/sInlet pressure (P1)=100…

Q: When gasoline burns in an automobile engine, the heat released (300 J) causes the products CO2 and…

A: According to the First Law of Thermodynamics, the change in Internal Energy is equal to the…

Q: When gasoline burns in an automobile engine, the heat released (336 J) causes the products CO2 and…

A: ΔU=?q=-336 JW=-463 J