An aluminium can of a soft drink is placed in a freezer. Later, you find that the can is split open and its contents frozen. Work was done on the can in splitting it open. Where did the energy for this work come from?

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 sample of aluminum metal absorbs 9.86 J of heat, upon which the temperature of the sample…

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Q: A sample of gas is placed into an enclosed cylinder and fitted with a movable piston. Calculate the…

A: Work done by the gas is given by W = -P × ∆V W = - P × (V2 - V1) W = work done P = external pressure…

Q: A system gains 647 kJ of heat, resulting in a change in internal energy of the system equal to +226…

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Q: A sample of aluminum metal absorbs 9.86 J of heat, upon which the temperature of the sample…

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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…

A: We have given that  Heat absorbed by system =q= 537KJ  Work done by system is always negative   W =…

Q: the laboratory a student finds that it takes 29.3 Joules to increase the temperature of 13.1 grams…

A: Given -> ∆H= 29.3 joule Weight (m) = 13.1 gm T1=20.0°C  T2= 37.9°C

Q: A sample of aluminum metal absorbs 9.86 J of heat, upon which the temperature of the sample…

A: Using the following equation, the mass of the metal is calculated.

Q: If a system absorbs 155.0 kJ of heat from its surroundings and the system does 45.0 kJ of work on…

A: Internal energy of a system is the overall energy that belongs to the system.  Heat is denoted by…

Q: A system does 467 kJ of work and loses 157 kJ of heat to the surroundings. What is the change in…

A: First law of thermodynamics It states states that heat is a form of energy, and thermodynamic…

Q: Which of the following will always result in AU > 0? O work done on the system, heat released by the…

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Q: Which of the following is an endothermic process? a. work is done by the system on the surroundings…

A: Introduction :  We have to tell which of the following is endothermic process .

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: 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: A system releases 622 kJ of heat and does 105 kJ of work on the  surroundings. What is the change in…

A: Internal energy is defined as the energy associated with the random, disordered motion of molecules.…

Q: Can a chemical reaction ever give off more energy than was originally contained in its reactants?

A: According to law of conservation of energy, energy can neither be created nor be destroyed. It can…

Q: A system gains 617 kJ of heat, resulting in a change in internal energy of the system equal to +161…

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Q: The energy absorbed by a certain system is -130 kj . If the system does 90kj of work on the…

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Q: 2. The work done when a gas expands in a cylinder is 264 J. During the process, there is a heat…

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Q: A system gains 767 kJ of heat, resulting in a change in internal energy of the system equal to +201…

A: Find the solution below

Q: If a system does 73.0 kJ of work on its surroundings and releases 105 kJ of heat, what is the change…

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Q: A system gains 612 kJ of heat, resulting in a change in internal energy of the system equal to +181…

A: Given,Heat gain (Q)=612kJChange in internal energy(∆U)=181kJ

Q: What is the AE of a system if 184 kJ of work is done on the system and it loses 267 kJ of heat?

A: We use the first law of thermodynamic for calculating the change in internal energy. This low state…

Q: An automobile engine provides 541 Joules of work to push the pistons and generates 2303 Joules of…

A: Given: Work done = 541 J Heat generated = 2303 J

Q: resulting

A: ∆U = q + w  Where : ∆U = change internal energy = +166kJ  Heat(q) = +762 kJ ( positive value because…

Q: A system receives 525 J of heat from its surroundings and delivers 465 J of work to its…

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Q: The work done when a gas is compressed in a cylinder is 455 J. During this process, there is a heat…

A: To find the energy change, we need to use the formula which contains change in energy, work done and…

Q: An air compressor used with a paint sprayer does 66.0  J of work pumping air into a tank. Warmed by…

A: Given, Work done, W = 66.0J. Heat transferred to surroundings, Q = 38.0J. As heat is released, it is…

Q: What type of energy flows naturally from a hot object to a cooler object? A light energy B…

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Q: (b) A student heats up some soup in a pot on a stove. If the student did o.25 kJ of work on the soup…

A: Work done (W) by the system is ‘-’ and work done (W) on the system is‘+’. Heat absorbed (q) by the…

Q: A chemical reaction is run in which 461 Joules of heat are generated and 592 Joules of work is done…

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Q: For a process, 153 J of heat was released by the system and 267 J of work was done on the system.…

A: Thermodynamics is branch of chemistry in which we deal with heat absorbed and heat released in to…

Q: Differentiate between potential energy and thermal energy? Give some examples?

A: Potential energy is the energy possessed by a body or an object due to its position. It is stored in…

Q: If a system absorbs 155.0 kJ of heat from its surroundings and the system does 75.0 kJ of work on…

A: Answer :-  The change in internal energy of the system is  +80.0 kJ.…

Q: The air in an inflated balloon (defined as the system) is warmed over a toaster and absorbs 110 J of…

A: Given that : Heat absorbed by the balloon = 110 J Work done by the balloon = 79 kJ We have to…

Q: 4. A sample of aluminum metal absorbs 9.86 J of heat, upon which the temperature of the sample…

A: Please find your solution below :

Q: A system absorbs 196 kJ of heat and the surroundings do 117 kJ of work on the system. What is the…

A: Given  Heat absorb by system , q = + 196 kJ Work done on the System , w = + 117 kJ By First law of…

Q: An aluminum can of a soft drink is placed in a freezer. Later,you find that the can is split open…

A: The transition that occurs between various physical states is known as phase transitions. For…

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: How much heat is released by a system when 45 J of work is done on it to decrease its energy to 23…

A: The objective of the question is to calculate the heat released by the system when : Work done (∆W)…

Q: 41. If 2 moles of diatomic gas kept at a volume of 20 liters and is compressed from 2 atmospheres of…

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Q: What is the change in internal energy for a system if the system absorbs 322 kJ of heat and has…

A: Given that,  Heat absorbed by the system q = 322 KJ Work done on the system w = 750.0 KJ

Q: What is the ratio of the net work done by the system during the cycle and the heat absorbed from a…

A: Second Law of thermodynamics :  It is impossible for a system operating in a cycle connected to a…

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: 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: If a system does 62.0 kJ of work on its surroundings and releases 105 kJ of heat, what is the change…

A: Ca (s)  + 1/2 O2  (g)  -------> CaO (s)    ΔH°=-635kJ/mol to get desired equation we have to…

Q: They are all one question. A chemical reaction is run in which 469 Joules of work is done by the…

A: According to the first law of thermodynamics, the internal energy with work done by the system is…