A system gains 617 kJ of heat, resulting in a change in internal energy of the system equal to +161 kJ. How much work is done?

Q: What is the specific heat capacity of an unknown material that has a mass of 81 grams and that…

A: The given data contains, mass = 81 g. heat = 2702 J.

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 value of ∆E for a system that gains 115kJ of work from the surroundings and loses 79 kJ of heat…

A: The value of ∆E for a system that gains 115kJ of work from the surroundings and loses 79 kJ of heat…

Q: If a gas in a cylinder pushes back a piston against a constant opposing pressure of 2.67 x 105…

A: Given pressure = 2.67 × 105 J volume change = 0.866 m3

Q: An automobile engine provides 545 Joules of work to push the pistons and generates 2395 Joules of…

A:

Q: 4. A system receives 75 J of electrical work, delivers 274 J of expansion work, and absorbs 168 J of…

A: Givens :   Work done by the system ,                         W   = 274 joules Heat absorbed by the…

Q: .If a system does 84.0 kJ of work on its surroundings and releases 105 kJ of heat against a constant…

A: Given : Work done on surrounding by system = 84.0 KJ  And heat released = 105 KJ Since heat is being…

Q: A chemical reaction in a bomb calorimeter evolves 5.17 kJ of heat. If the heat capacity of the…

A: Given, the heat evolved, q = 5.17 kJ Heat capacity, c = 1.08 kJ/°C Temperature, ΔT = ? The formula…

Q: . What is the change in internal energy of the system (AU) if 82 kJ of heat energy is absorbed by…

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

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: Given delta U= q + w, if 13 kJ of heat was absorbed by a system and 9kJ of work was done on the…

A: Internal energy is the total energy of a system that consists of kinetic and potential energies. The…

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

A:

Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 130.0 mg sample…

A: The question is based on the concept of specific heat capacity.   amount of heat required to raise…

Q: A chemical reaction is run in which 209 Joules of heat are generated and 540 Joules of work are done…

A: According to first law of thermodynamics change in internal energy is equal to sum of change is heat…

Q: It takes 585 J of energy to raise the temperature of 125.6 g of mercury from 20.0°C to 53.5°C.…

A: Given, Heat energy, q = 585 J Mass, m = 125.6g Change in temperature, ∆T = 53.5- 20 = 33.5°C

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

A:

Q: Calculate the change in internal energy for a system that is giving off 45.0 kJ of heat and is…

A: According to the second law of thermodynamics, change in internal energy is related to heat and work…

Q: If a system absorbs 39 kJ of energy and does 15 kJ of work on the surroundings, calculate the change…

A:

Q: A system does 556 kJ of work and loses 251 kJ of heat to the surroundings. What is the change in…

A: From the first law of thermodynamics we have, ∆E =Q + W Where, ∆E is change in internal energy…

Q: What is the change in internal energy of a system that absorbs 600 KJ of heat energy at the same…

A: Given,  a system that absorbs 600 KJ of heat energy at the same time does 450 KJ of work. Therefore,…

Q: Calculate the change in the internal energy for a certain process if 800 J of work is done on the…

A:

Q: . Calculate the work done on or by a system that absorbs 260 kJ of heat experiences a change in…

A:

Q: If a system has 325 keal of work done to it, and releases S5.00 x 10 kJ of heat into its…

A:

Q: What is the change in internal energy (in J) of a system thatreleases 675 J of thermal energy to its…

A: Thermodynamics is the branch of chemistry which deals with the study of heat and other forms of…

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

A:

Q: 1. Find the change in the internal energy when 175 J of work is done on a system that evolves 50 J…

A: Given:Heat (q) = 50 J        Work (W) = 175 J since, work is done on the system which means energy…

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…

A:

Q: An automobile engine provides 646 Joules of work to push the pistons and generates 2258 Joules of…

A: According to the thermodynamics law  ∆U = Q + W Given Work done on the piston = - 646 J Heat…

Q: The internal energy of a gas decreases by 1.65kj when it transfers 1.87kj of energy in the form of…

A: Interpretation: The work done on the gas by the surroundings is to be determined. Concept…

Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 1.51 kg sample…

A:

Q: 7. a) Natural gas when allowed to expand from a volume of 5.2 L to a volume of 9.5 L. While the…

A: i) The work has been done if the gas expands freely without any external hindrance with proper…

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: a system receives 75.0 joules of electric work, delivers 274.0 joules of expansion work and absorbs…

A: A system receive 75 joule of electric work amd deliver 274 joule of expansion work and it absorb 168…

Q: A system does 546 kJ of work and loses 271 kJ of heat to the surroundings. What is the change in…

A: Work (w) = -546 KJ (because work is done on the surrounding, so this is negative) Heat (q) = -271 KJ…

Q: A chemical reaction is run in which 460 Joules of heat are absorbed and 555 Joules of work is done…

A: Given: Amount of heat absorbed = 460 Joules Work done by the system = 555 Joules We have to…

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: What is the work involved in a process where a system experiences a net loss of energy equal to 9.3…

A:

Q: Find the change in internal energy when a gas absorbs 28 kJ of heat and has 13 kJ of work done on…

A:

Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 412.0 mg sample…

A:

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

A: Interpretation: A system gains 612 kJ of heat, resulting in a change in internal energy of the…

Q: What is the change in internal energy (in J) of a system that absorbs 0.697 kJ of heat from its…

A: This can be done using first law of thermodynamics.

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: A system receives 425 J of heat and delivers 425 J of work toits surroundings. What is the change in…

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Q: 1. A 300 increased in the internal energy of the system happen while it expands to do 75.25 J of…

A:

Q: A system initially at 1.50L changes its volume under an external pressure of 0.988atm while…

A: Given data:

Q: A system gains 667 kJ667 kJ of heat, resulting in a change in internal energy of the system equal to…

A: According to the first law of thermodynamics; Consider the given information is as follows;…

Q: Determine the change in the internal energy of a system if 5.5 x 107 kJ of heat is removed from it…

A: Given Data- q = -5.5×107 kJ (Heat is removed) W = +2.5×107 kJ (work done on the system)

Q: A system absorbs 1.54E2 kJ of heat and the surroundings do 1.118E2 kJ of work on the system. What is…

A: 2.618E2 = 2.618 * 10^2 kJ