If a system has 62.0 J of heat added to it, and the system does 25.0 J of work on its surroundings, what is the change in the internal energy of the system, in J?

Q: 4. An amount of heat equal to 2500 J is added to a system, and 1800 J of work is done on the system.…

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Q: a system releases 349 cal of heat and has 258 J of work done to it, what is the change in energy of…

A: The question is based on the concept of chemical thermodynamics.  we have to calculate change in…

Q: What is the change in the internal energy of a system that absorbs 2,500 J of heat and that does…

A: The given data contains, A System absorbs 2500 J of heat work =7655 J

Q: 2. Thirty-two joules of heat is added to a 255 gram iron bar How much will the iron bar's…

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Q: A substance increases in temperature by 255°C when a 983g sample of it absorbs 83,200J of heat.…

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Q: A work of 657 J is done on a system that releases 434 J of heat. What is the energy change in the…

A: According to first law of thermodynamics, internal energy of the system is equal to the sum of work…

Q: If 63.50 g of an unknown metal at 97.6 °C initially produced a resulting temperature of 39.5 °C when…

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: The mixture of gas and air inside a cylinder reacts, releasing 400kJ total energy. If the system…

A: Given:   The total energy is 400 kJ. The work done by system is 250 kJ.

Q: A jeep performs 10,000 joules of work on its surroundings and releases 20,000 joules of heat. How…

A: The internal energy of a system is a state function (depends only on the initial and final state).…

Q: A system releases 689 kJ of heat and does 105 kJ of work on the surroundings. ▾ Part A What is the…

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Q: what is the amount of internal energy (in joules) for a system that has performed 1478.714 J of work…

A: The internal energy of a system can be changed in two ways: (i) By allowing heat to flow into the…

Q: If 400 J of heat is given to a system and the system does 200J of work, what is the change in…

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

Q: The gas in a piston (defined as the system) is warmed and absorbs 645 J of heat. The expansion…

A: Given:Heat absorbed = 645 JWork performed =  340 JWhat is the change in internal energy ?

Q: If 1495 J of heat is needed to raise the temperature of a 333 g sample of a metal from 55.0°C to…

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Q: 2. A system performs 3.63 kJ of work and gives off 8.98 kJ of heat. What is the change in energy of…

A: To solve this problem we will use First Law of Thermodynamics  .  According to this law  ∆E = q + w…

Q: A gas does 135 J of work while expanding and, at the same time, absorbs 156 J of heat. What is its…

A: Given :-  heat absorbed by system = 156 J  work done by gas = 135 J To calculate :- ∆U(in J)

Q: A 40 g sample of water is raised 10oC, with water having a specific heat of 4.184 J/g*C, what amount…

A: Specific heat capacity: The quantity of heat energy required to raise the temperature of one gram of…

Q: Chargers for cell phones get warm while they are being used. Some of the energy that they are using…

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Q: What is the change in internal energy of a system that has 275 kcal of work done to it and it…

A: Internal energy is a function of the volume and the temperature. In a closed system of constant…

Q: What is the change in internal energy in joules for a system that releases 154 J of heat and does…

A: Since the relationship between work, internal energy change and heat released is given by  ΔE=…

Q: If a system absorbs 155 kJ of heat from its surroundings and the system does 95 kJ of work on its…

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Q: A piece of a metal of a mass 4.68g absorbs 256J of heat when its temperature increases by 182C. What…

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Q: When 514 J of heat is added to a sample of liquid water, the temperature rises from 27.8°C to…

A: Specific heat capacity is the amount of heat needed to raise the temperature(usually 1°C) of given…

Q: Determine the change in work of a system if it undergoes -979 J of energy change and 877 J of heat…

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Q: In the laboratory a student finds that it takes 79.6 Joules to increase the temperature of 14.8…

A: The specific heat capacity of copper (C) can be calculated using equation (1). In this equation, m…

Q: What is the change in energy (in J) for a system that lost 344 J of heat to the surroundings, and…

A: Assume that work (w) is done on the system, so w will be positive.Given:Heat lost, Q  = - 344 JWork…

Q: 6.10)A system releases 255 cal of heat to the surroundings and delivers 428 cal of work. What is the…

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Q: Chargers for cell phones get warm while they are being used. Some of the energy that they are using…

A: The solution is given below -

Q: ΔE of a system

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Q: 900 J of heat are added to a system and 200 J of work are done on the system. What is ∆E?

A: For this problem We have to find the change in internal energy for the given condition.

Q: In a far planet from earth, a balloon containing a certain gas expands from 100 L to 250 L by…

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Q: Chargers for cell phones get warm while they are being used. Some of the energy they are using is…

A: Given  Energy needed for charging = 235 J  Energy wasted as heat = 345 J

Q: The air in an inflated balloon (defined as the system) warms over a toaster and absorbs 115 J of…

A: According to first law of thermodynamics, energy can neither be created nor destroyed, it can only…

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

A: Recall the following expression from first law of thermodynamics            ∆E=q + wHere,change in…

Q: The ΔE of a system that absorbs 184 J of heat from the surroundings and has 42 J of work done on the…

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Q: If a system absorbs 155 kJ of heat from its surroundings and the system does 75 kJ of work on its…

A: The first law of thermodynamics:                                                         ∆U = q+w…

Q: What is the energy change of a system as it does 12 J of work and absorbed 27 J of heat?

A: To calculate the energy change of the system if the work done by the system is 12 J and it absorbs…

Q: 5. A system compresses when 457 J of work was done on it at the same time it decreases it energy to…

A: Given,  A system 457 J of work done when it compresses, at the same time it decreases energy to 234…

Q: 2. A solid substance has a mass of 250 grams. It is cooled by 25.00°C and loses 4.937 kJ of heat.…

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Q: A piece of copper alloy with a mass of 85.0g is heated from 30.0°C to 45.0°C. In the process, it…

A: To solve this problem we will use the formula   Q = m • C • ∆T   Where,  Q = heat absorbed  m = mass…

Q: If a system does 80.0 kJ of work on its surroundings and releases 105 kJ of heat, what is the change…

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Q: 6. If it takes 44.72 joules to heat a piece of metal weighing 16.89 g from 10.0°C to 29.0°C, what is…

A: q = 44.72 J  m = 16.89 g  Ti = 10.0°C  Tf = 29.0°C  c = ?

Q: A gas expands and does work on the surroundings equal to 4.92 L atm. At the same time, it releases…

A: Given: Work done (W) = 4.92 L atm Heat released by the system according to sign convention (q) = -…

Q: A block of Iron weighing 207 g absorbs 1.50 kJ of heat. What is the change in the temperature of the…

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Q: What mass of water will change its temperature by 10 °C when 975 J of heat is added? The specific…

A: Based on the information you've provided, we know the following variables:

Q: A gas does 135 J of work while expanding, and at the same time it absorbs 156 J of heat. What is the…

A: Thermodynamics is the study of heat in motion.

Q: When a metal object is dropped into cold water, it releases 4,715 J of energy to its surroundings,…

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Q: The internal energy of a system increased by 982 J when it absorbed 492 J of heat. Was work done by…

A: When a system absorbs energy it means work done on the system, We know that, ∆U=982 Jq=492 J…

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

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