9- Which pair of quantities can be expressed using the same units ? a) Work and force. b) Power and kinetic energy. c) Work and kinetic energy. d) Work and power.

Q: calculate w for the engine.

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Q: A chemical reaction is run in which 109 joules of heat are generated and 239 joules of work are done…

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Q: What is the change in internal energy for a system if the system absorbs 537 kJ of heat and does…

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Q: The AE of a system that absorbs 252.4 J of heat and has 120.8 J of work done on it by the…

A: According to first law of thermodynamics  ∆E=Q-W where  Q = heat absorbed by system              W =…

Q: Define The Nature of Energy?

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

Q: 11. An electric motor produces energy to turn a fan blade. The energy used to turn the fan blade is…

A: Answer

Q: DETAILS Choose all of the processes from below which describe changes which are independent of the…

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Q: Consider the following cyclic process carried out in two steps on a gas. Step 1: Step 2: 40. J of…

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Q: Explain potential and kinetic energy in chemical

A: This  question is related to topic of energy.

Q: An automobile engine provides 561 Joules of work to push the pistons. In this process the internal…

A: To solve this question, use the formula which contains q, ∆U, and w in it. Give the signs to the…

Q: A gas absorbs 30.0 J of heat and then performs 77.0 J of work. What is the change in internal energy…

A: Given that ,  Heat absorbed by a gas (q) = 30.0 J  Work performed by the gas (W) = 77.0 J  Change in…

Q: The surrounding absorbs 50J of heat as it does 32J of work on the system. Which among the choices is…

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Q: Calculate the internal energy of the system that absorbs 50 kJ of heat and 165 kJ work done by the…

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Q: What is the change in internal energy of the system (in J)?

A: From the first law of thermodynamic we know that ,     du=dq+dw where du = change in internal energy…

Q: An automobile engine generates 2200 Joules of heat that must be carried away by the cooling system.…

A: According to the first law of thermodynamics, where '' is the change in internal energy, 'q' is the…

Q: Which statement/statements are true about thẻ system? a. Heat absorbed by the system (endothermic…

A: System: It is the part or body which contains walls that surround the matter, substances, or…

Q: An automobile engine provides 621 Joules of work to push the pistons. In this process the internal…

A: According to the first law of thermodynamics, the following expression is obtained: ∆U=q+w…

Q: Suppose a system returns to its original internal energy after the following changes. In step 1, 25…

A: It is given that in first step system releases 37 J of energy which means q = -37 and the work is…

Q: Why heat capacity is so important in our everyday life? please give an examples.

A: Heat capacity is the amount of heat required in Joules by one gram of substance to raise its…

Q: Describe the difference between potential energy and kinetic energy.

A: Kinetic energy is the energy which is present in any substance by virtue of its motion.  potential…

Q: The internal energy of a gas changes from 12 calories to 15 calories when 8 calories of heat is…

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Q: How much heat is required to raise the temperature of a 75.0 gram sample of Titanium from 46.OC to…

A: The required amount of heat to increase the temperature of a compound can be determined by the…

Q: When 500 J of heat is added to a gas, the gas expands its volume from 0.0017 m3 to 0.0043 m3 at a…

A: Given:Volume V1 = 0.0017 m3 Volume V2= 0.0043 m3pressure = 144000 Pa

Q: 155 Joules of heat is added to a system that performs 63 Joules of work.  Determine the internal…

A: Heat supplied to the system=155Joules Work done =63 Joule we have to find the internal energy change…

Q: b) She burns 1g of fuel each time. i) Nina investigates three different fuels. She uses this…

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Q: An automobile engine generates 2264 Joules of heat that must be carried away by the cooling system.…

A: According to the first law of thermodynamics, U = Q - W where U represents the change in internal…

Q: Which of the following makes sense: When volume of a system is under constant pressure, which of…

A: The enthalpy change is defined as the internal energy change plus product of constant pressure and…

Q: Which term is not correctly matched? endothermic - energy is absorbed universe - system plus…

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Q: An automobile engine provides 519 Joules of work to push the pistons.In this process the internal…

A: The objective of the question is to calculate the amount of heat (q) that must be carried away by…

Q: • A young man exerted a force of 9,000 N on a stalled car but was unable to move it. How much work…

A: Given  Force = 9000 N Distance = 0 ( no displacement)  Find out work (W)

Q: A sample of gas occupies a volume of 52.5 mL. As it expands, it does 130.7 J of work on its…

A: Work done on the gas is given by, => W = -PΔV where W = work done on gas  P = pressure  ΔV =…

Q: Which of the following statements is always true? A Solids have a larger heat capacity than liquids.…

A: Heat capacity= Q/m.∆T

Q: What is the distinction between temperature and thermal energy is a system?

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Q: Calculate the energy required to heat 430.0 mg of iron from -2.1 °C to 12.1 °C. Assume the specific…

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Q: Which of the following suggests that the process of dissolving a solid sample in a constant-pressure…

A: Given: To explain how can we know that the dissolving of a solid sample in a constant-pressure…

Q: The temperature of a certain metal bar rises by 10.0OC when it absorbs 2.35kJ of energy by heat. The…

A: Specific Heat capacity is amount of heat required to increase the temperatures of one gram of…

Q: If a process gives off 58 calories of heat but the internal energy of the system remains unchanged,…

A: Welcome to bartleby !  Introduction :  We have to tell kind of work and how much is involved .