How much work, w, must be done on a system to decrease its volume from 20.0 L to 13.0 L by exerting a constant pressure of 6.0 atm? w = kJ

Q: How much work, w, must be done on a system to decrease its volume from 15.0 L to 7.0 L by exerting a…

A: Given :-  initial volume = 15.0 L  final volume = 7.0 L  pressure = 3.0 atm  To calculate :-  work…

Q: An automobile engine provides 502 Joules of work to push the pistons and generates 2327 Joules of…

A: Given: Work done dW = -502 J (negative sign as system does wok) Heat energy dQ = -2327 J (negative…

Q: How much work, w, must be done on a system to decrease its volume from 10.0 L to 3.OL by exerting a…

A: Given, Initial volume = 10 L Final volume = 3 L Pressure = 6 atm

Q: Does the amount of work that a system can do on its surroundings depend on the path of the process?

A: Thermodynamic is the branch of chemistry that mainly deals with the heat transfer between system and…

Q: Which of the following conditions for q and w represent a system gaining heat from the surroundings…

A: Endothermic reaction is a reaction where heat is absorbed by the system from the surroundings.

Q: The AU of a system that absorbs 12.4 J of heat and does 4.2 J of work on the surroundings is J. O…

A: Detail mathematical calculation is shown below to find out the change in internal energy

Q: The fuel in high-efficiency natural-gas vehicles consists primarily of methane 1CH42 What is the…

A: Work may be defined as the transfer of energy other than the heat energy and it is done by the…

Q: A system takes in 0.430 kJ of heat while it does 0.830 kJ of work on the surroundings. What is the…

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Q: A gas expands from 2.00 L to 3.65 L, against a pressure of 0.485 atm, at constant temperature. What…

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Q: Calculate "work" and "change in internal energy" for the conversion of three moles of ethanol at 78…

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Q: The change in internal energy of a system is +10.0 J and the system acquires 15 J of heat. How much…

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Q: A heat engine produces 2000 J of work while operating at temperatures ranging from 210 to 35 degrees…

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Q: What is the work involved in a process where a system experiences a net loss of energy equal to 4.6…

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Q: 2. Octane, a major component of gasoline, burns according to the reaction: 20,H,8 0) + 250, (@)…

A: Given,

Q: Calculate the work (kJ) done during a reaction in which the internal volume expands from 23 L to 58…

A: Given data,Initial volume=23LFinal volume=58LPressure=0atm

Q: When a system gives off heat and does not work on its surroundings, delta E is always(

A: According to the First law of thermodynamics,  ∆E = q + W Here, q = Heat released or absorbed.…

Q: Calculate the overall change in internal energy, AU, (in joules) for a system that absorbs 500 J of…

A: GIVEN: Heat absorbed = 500 J = q Work done = 300 J = w Change in internal energy (∆U)= ?

Q: An electric battery is charged by supplying 250 kJ of energy to it as electrical work, but in the…

A: Answer:- This question is answered by using the simple concept of calculation of change in the…

Q: Why are work, w, and heat, q, not state functions?

A: State function only depends on the final system and on the initial system, it does not depend how we…

Q: The contents of the closed box in each of the following illustrationsrepresent a system, and the…

A: The points should be kept in mind while solving this problem, Heat absorbed by the system is called…

Q: Which of the following represents a system that is exothermic and is doing work on the surroundings?…

A: Given information,     System is exothermic and doing work on the surroundings

Q: ch.6.2. calculate the internal energy change for a. one hundred(100.) joules of work is required…

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Q: done against the system during compression of a gas, at the same time 385 J of heat is released from…

A: Answer  Apply 1st law  of thermodynamics  U  =  Q + W

Q: What is the change in the energy of surroundings when the system absorbs 17.5 kJ of energy and…

A: It is given that system absorbs 17.5 kJ of energy and the work done is 5×103 J. It is known that 1 J…

Q: Calculate the work done (in Joules) during the decomposition of dinitrogen tetroxide in which the…

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Q: What is the change in internal energy for a reaction producing 65.0 joules of heat by doing 38.0…

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Q: How much work, w, must be done on a system to decrease its volume from 17.0 L to 8.0 L by exerting a…

A: Work done = -P x Change in volume

Q: How much work, ?,w, must be done on a system to decrease its volume from 12.0 L to 4.0 L by exerting…

A: Formula used :-  W = -PdV  Where dV = (Vfinal - Vinitial )

Q: A system receives 450 kJ of heat from its surroundings and the surroundings do 50.0 kJ of work on…

A: Given: Heat (q) = +450KJ    The sign is positive because it absorbs from the surrounding.…

Q: What is the change in the internal energy of the system if the surroundings releases 300J of heat…

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Q: How much work if performed by a gas as it expands from 25 L to 40 L against a constant external…

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Q: How much work, w, must be done on a system to decrease its volume from 12.0 L to 3.0 L by exerting a…

A: w = P . ∆V P = 3.0 atm and ∆V = 12.0 - 3.0 = 9.0 L w = 3.0 x 9.0     = 27.00 L. atm

Q: How much work, w, must be done on a system to decrease its volume from 11.0 L to 3.0L by exerting a…

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Q: How much work, w, must be done on a system to decrease its volume from 12.0 L to 3.0L by exerting a…

A: If w id the work done the systemwork(w)=-Pe×∆vw= -pe×(vf-vi)If a gas compacts vf<vi and work is…

Q: Consider the following four cases: (i) A chemical process in which heat is absorbed, (ii) A change…

A: Given here four cases and we are asked in how many of these cases does the internal energy of the…

Q: .125 kJ of energy is added to a system while 104 kJ of work is done by the system. Calculate the…

A: The change in internal energy,ΔU is =  ΔU = q + w q = heat added/removed from the system w = work…

Q: 5.4 The contents of the closed box in each of the following illustra- tions represent a system, and…

A: The first law of thermodynamics describes that energy can neither created nor destroyed, it can be…

Q: When 1 mol of a fuel is burned at constant pressure, it produces 3455 kJ of heat and does 12 kJ of…

A: Delta E = q + w  where Delta E = change in internal energy  q = heat , w = workdone

Q: An automobile engine provides 551 J of work to push the pistons and generates 2250 J of heat that…

A: According to first law of thermodynamics, the change in internal energy of a reaction is equal to…

Q: Find the work energy, w, gained or lost by the system when a sample of gas expands from 10 L to 30 L…

A: We have to predict the work gained or lost.

Q: A substance is found to have a heat capacity of 400.0 J °C. How much heat (in kJ) is absorbed when…

A: Heat capacity is defined as the quantity of heat absorbed by substance to raise the temperature of…

Q: Natural gas when allowed to expand from a volume of 5.2 L to a volume of 9.5 L. While the process of…

A: Since the relationship between the work and change in volume is given by  W = -Pext X (Vf - Vi )…

Q: What is the work done by a system when it absorbs 47 J of heat and gains 12 J of energy? How much…

A: Since you have posted multiple question , we will solve first one for you. To get the remaining…

Q: How much work, w, must be done on a system to decrease its volume from 18.0 L to 11.0 L by exerting…

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Q: What is the work in joules done on the system to compress He gas from 24.0 L to 12.5 L against a…

A: For an isothermal  compression    W= Pext  dV  or W =Pext  ( V2  - V 1)  ------> (1)

Q: How much work, w, must be done on a system to decrease its volume from 19.0 L to 12.0 L by exerting…

A: The work done on the system during the compression of a gas from initial volume V1 to a final volume…

Q: When a reaction occurs in a calorimeter, the temperature of 60 g of a reaction mixture increased by…

A: Given that : Mass of mixture (m) = 60 g Change in temperature (∆T) = 5°C Specific heat capacity (s)…

Q: Calculate the work, w, gained or lost by the system when a gas expands from 15 L to 35 L against a…

A: Given : Initial volume = 15 L  Final volume = 35 L And constant external pressure = 1.5 atm.

Q: Calculate the work (in kilojoules) done during a synthesis of ammonia in which the volume contracts…

A: Work done of a system can be calculated by following formula: W=-PextV2-V1 where W is work done,…

Q: How much work (in J) is required to expand the volume of a pump from 0.0 L to 2.5 L against an…

A: Work done is given by W=-Pext(V2-V1) Pext is the external pressure and V2 is the final volume and V1…