A graduate student leaves a cylinder of carbon dioxide sitting in the sun. The cylinder absorbs 25.2 J of energy while sitting in the sun. A piston in the cylinder moves upward. The carbon dioxide did 12 J of work on the piston to move it upward. Find the change in internal energy of the carbon dioxide.

Q: A hot air balloon is being inflated to its full extent by heating the air inside it. In the final…

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Q: A 12 gram bullet moves vertically upwards at a velocity of 950m/s and strikes a 2.00kg block which…

A: This is a question regarding the conservation of momentum and energy of a two-body system.

Q: A 1.000 ´ 103 kg car is moving at 90.0 km/h (25.0 m/s) as it exits a freeway. The driver brakes to…

A: Since you have posted a question with multiple sub-parts, we will solve first three sub-parts for…

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A: The thermal equilibrium depends upon the temperature of the bodies ket in contact with each other.…

Q: Question 18 A balloon with a volume of 0.15 m³ contains air at a pressure of 115 kPa. Additional air…

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Q: A 60-kg hiker wishes to climb to the summit of Mt. Ogden, an ascent of 5000 vertical feet (1500 m).…

A: ⇒   Given     Mass of hiker M = 60kg.     height og mountain h = 1500 m.

Q: When a hybrid car brakes to a stop, much of its kinetic energy is transformed to A. Heat B. Work C.…

A: The correct option is (C) Explanation- whenever car stops the car use friction brakes which inhibit…

Q: What is the internal energy of the system at point B? * 203 J 609 J 812 J

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Q: why does the change in internal energy decreases as the volume of ethanol increases? For 25ml…

A: As concentration increasing oxygen concentration in water is also increasing. More the  oxygen less…

Q: it is the form of energy that is done by a system to its surroundings if the sole effect on…

A: Given that it is the form of energy that is done by a system to its surroundings if the sole effect…

Q: Question 19 A gasoline engine with an efficiency of 0.397 generates 1.99 hp of power. If a liter of…

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Q: A light airplanes gasoline engine in an airplane, operating at 2.40 x 103 rev/min, takes in energy…

A: As you have requested for part D. only therefore I am answering that part only.

Q: What is the change in internal energy of a system that does 20 J of work when Qin=100J and Qout 50 J…

A: Data Given ,  Work done ( W ) = 20 J Qin = 100 J Qout = 50 J We have to find out the change is…

Q: A railroad car of mass 1500 kg is moving with a speed of 6.00 m/s. It collides and couples with two…

A: Given data: Mass of the railroad car is m = 1500 kg The speed of the railroad car is v = 6 m/s The…

Q: In 1981, Daniel Goodwin climbed 443 m up the exterior of the Sears Building in Chicago using suction…

A: a) Considering the mass of the person is 60 kg. The required gravitational potential energy is,

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

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Q: A mixture of gas expands from 0.02 cubic meters to 0.08 cubic meters at a constant pressure of 7.78…

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Q: A gas is compressed at a constant pressure of 0.7 atm from 8 liters to 1.5 liter and releases 600 J…

A: W=-PV1-V2P is the pressureV is the volume

Q: If a 32.8%-efficient Carnot heat engine (left figure) is run in reverse so as to form a refrigerator…

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

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Q: What is the internal energy of the system at point D? * O 203 J O 609 J 812 J O 1,013 J

A:

Q: At Niagara Falls, if 505 kg of water falls a distance of 50.0 m, what is the increase in internal…

A: Given Information:- Mass of the water m=505 kg Height of the water falls is h=50.0 m   Required:-…

Q: An engine has a hot reservoir that contains 20,000 J of heat energy at 3270 C, and a cold reservoir…

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Q: A student is moving out of a dormitory at the end of the semester. He does 1.6 x 10^4 J of work in…

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Q: Ricky spends all the afternoon watching sports on cable tv in the process he does 1.342 J of work .…

A: The change in internal energy that ∆U accompanies the transfer of heat, Q, or work, W, into or out…

Q: The water passing over Victoria falls, located along the Zambezi River on the border of Zimbabwe and…

A: Height from which water falls, h=105 m g=9.81 m/s2

Q: What is the change in internal energy of a system which does 4.50 X 105 J of work while 3.00 X 106 J…

A: From the first law of thermodynamics, ∆Q=∆U+W∆U=∆Q-W Where, ΔU be defined as the changed in internal…

Q: The engine of a large ship does 1.97  1010 J of work with an efficiency of 8.60%. (a) How much…

A: Given : W = 1.97 x 1010 J e = 8.60% = 0.086

Q: During each cycle of operation, a refrigerator absorbs 230 J of heat from the freezer and expets 356…

A: Given: The heat absorbed by the refrigerator from the freezer is 230 J. The amount of heat expelled…

Q: How many grams of fat will you gain if you eat 10,000 kJ (about 2390 kcal) one day and do nothing…

A: Energy intake= 10000 KJ Energy consumption rate while sitting relaxed = 120 W = 120 J/s Total energy…

Q: The food calorie, equal to 4186 J, is a measure of how much energy is released when food is…

A: (a) The change in gravitational potential energy of the person is obtained as; ΔU=mgΔym is the mass…

Q: A sample of 5.25 kilograms of water at 6.00°C is placed in the freezer. Assuming all energy removed…

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Q: A Carnot engine requires 40kJ/s from the hot source. The engine produces 20kW of power and the…

A: Please see the answer below.

Q: You push a 33-kg table across a 6.2-m-wide room. In the process, 1.5 kJ of mechanical energy gets…

A: the expression for mechanical energy is

Q: A Carnot air conditioner takes energy from the thermal energy of a room at 70 F and transfers it as…

A: The temperature are given in Fahrenheit. Convert these temperatures into Kelvin.

Q: While walking you give off 4.0x10^5J of heat and your internal energy decreased by 6.0x10^5 J. How…

A: Given information: Here, ΔQ is the heat released by the person’s body while walking, and ΔU is the…

Q: What is the change in internal energy of a system that takes in 4.53 x 106 ) of heat, and does 4.50…

A: The amount of heat transfer by a system can be given as, Q=Qin-Qout=4.53×106 J-8.67×106 J=-4.14×106…

Q: A student carries a backpack of 12N and moves horizontally 2 m. How much work is done by student?…

A: The work done by the student is calculated by using the formula W=Fdcosθ , where F is the force ,θ…

Q: The internal energy of a system is initially 25 J. The system does 24 J of work. What is the…

A: According to the first law of thermodynamics  dQ = dU + dW  where, dQ is the heat added, dU is the…

Q: C. How much ice can the engine melt from its exhaust after it has done 5.5 ✕ 104 J of work? (The…

A: GIVEN: Temperatures T1=170+273=443 K T2=21+273=294 K Work W=5.5(104) J  L=3.33(105) J

Q: Roughly how high could a 370 K copper ball lift itself if it could transform all of its thermal…

A: Equate thermal energy to mechanical work

Q: A block (2 kg) initially compresses spring #1 (k = 1000 N/m) by 60 cm from its equilibrium point.…

A: Given information: The mass of the block (m) = 2 kg spring constant of the first spring (k1) = 1000…

Q: When gasoline is burned, it gives off 46,000 J/gram of heat energy. If an automobile uses 13.0 kg of…

A: Given : Heat energy given off when gasoline is burned = 46000 J/gram Gasoline used by an automobile…