In order to bake a loaf of bread in an oven, 4,800 kJ of heat are released by the oven. If the bread is the system and the oven is the surroundings, and no energy escapes, how much energy is absorbed by the bread? Assume no work is performed.

Q: In a gas expansion, 91 J of heat is absorbed from the surroundings, and the energy of the system…

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Q: A mixture of gases undergoes a chemical reaction inside of a container with a movable piston. The…

A: Here the heat is releases means it will be having a negative sign as q= -243KJ And here work is done…

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 of the system   (ΔU)  if   50 kJ   of heat energy is released…

A: Given - Heat energy released (q)= 50KJ              Work done by the system (w)= 40KJ   We have to…

Q: The work done to compress a gas is 93 J. As a result, 38 J of heat is given off to the surroundings.…

A: Work done to compress = Work done on the systemand work done on the system is taken as a positive…

Q: A sheet of gold weighing 9.3 g and at a temperature of 17.6°C is placed flat on a sheet of iron…

A: Given: mgold =9.3 g CAu = 0.129 J/g 0C Ti = 17.6 0C miron =21 g CFe = 0.444 J/g 0C Tiron = 55.3 0C…

Q: A 434.5 g sample of water at 20.0 °C is mixed with 100.0 g of a certain metal at 95.0 °C. After…

A: to find Cp for this metal use this above ,Heat lost by the metal = heat gained by the water Given…

Q: During a certain chemical reaction 270 J of heat is absorbed by the system and 500 J of work is done…

A: △U = q-w  ∆U = change in internal energy q = heat absorbed by the system w = work is done

Q: A system does 521 kJ of work and loses 216 kJ of heat to the surroundings. What is the change in…

A: The objective of the question is to calculate the change in internal energy (ΔE) of a system that…

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: A balloon compresses from 6.23 L to 5.21 L at 1.86 atmospheres. How does this work affect the…

A: Given,  A balloon compresses from 6.23 L to 5.21 L at 1.86 atmospheres.

Q: A 1.6 kg block of iron at 25 °C is rapidly heated by a torch such that 17 kJ is transferred to it.…

A: 1.6 Kg of an iron block at 25◦ C is heated by a torch and 17 KJ of heat is transferred. 890 g of…

Q: A system releases 422 kJ of heat and does 203 kJ of work on the surroundings. What is the change in…

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Q: A 240.0-g sample of water at 25.0°C is mixed with 120.9 g of a certain metal at 100.0°C. After…

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Q: As a system in volume, it absorbs 52.5 J of energy in the form of heat from the surroundings. The…

A: The internal energy of the system can be modified by doing work on them or by adding heat to the…

Q: Air in an inflated balloon (system) is cooled and loses 203. J of heat. The surroundings also…

A: Given that, A system looses 203.0 J of heat. The work is done by the surroundings is 79.8 J. Which…

Q: A 2.62E1 g sample of aluminum at 1.008E2 °C is added to 1.002E2 g of water at 2.22E1 °C in a…

A: For a chemical reaction or physical process to occur a certain amount of energy should be furnished…

Q: A 1.3 kg block of iron at 29 °C is rapidly heated by a torch such that 15 kJ is transferred to it.…

A: Given data : Mass of iron block = 1.3 kg = 1300 g Specific heat of iron CFe=0.450J/g°C Total heat…

Q: A sheet of gold weighing 9.3 g and at a temperature of 15.2°C is placed flat on a sheet of iron…

A: Since both the metals are in contact  hence the heat will transfer from the hot sheet to cold sheet…

Q: Determine the internal energy change if 718 J of heat are transferred to the system and 437 J of…

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Q: ) If a gas absorbs 2.0 J of heat from the surroundings and then performs 15.2 J of work, what is the…

A: • The values provided in the question are:-       i) Quantity of heat absorbed by the gas, Q = 2.0 J…

Q: A piece of iron (mass = 25.0 g) at 398 K is placed in a styrofoam coffee cup containing 25.0 mL of…

A: Given,Mass of iron (m1) = 25 gInitial temperature of iron (Ti) = 398 KSpecific heat capacity of iron…

Q: A gas is compressed in a cylinder from a volume of 30.0 L to 18.0 L by a constant pressure of 1.32…

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Q: resulting

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

Q: 140.0-g sample of water at 25.0°C is mixed with 126.1 g of a certain metal at 100.0°C. After thermal…

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Q: A 328.00 sample of an unknown metal at 87.78°C is placed in a calorimeter containing 136.00 mL of…

A: The principle of the calorimeter is the heat energy transferred between the water in the calorimeter…

Q: A system has 400J of heat added to it and then subsequently use 160J to do work. What is the change…

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Q: 55.69 kJ of work are done by the system, which produces 80.17 kJ of heat. Determine the overall…

A: Work done = 55.69 KJ  Heat = 80.17 KJ Overall change in  internal energy = ?

Q: The work done to compress a gas is 70 J.  As a result, 25 J of heat is given off to the…

A: Work done to compress = Work done on the system And work done on the system is taken with a positive…

Q: Consider the following cyclic process carried out in two steps on a gas. Step 1: Step 2: 48 J of…

A: Given:The given process is cyclicStep 1: 48 J of heat is added to the gas12 J of expansion work is…

Q: In a gas expansion, 74 J of heat is absorbed from the surroundings, and the energy of the system…

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