If the internal energy of a thermodynamic system is increased by 300. J while 75 J of expansion work is done, how much heat was transferred and in which direction, to or from the system?

Q: A system undergoes a process in which AE = -280 J while gaining 89 J of heat energy and undergoing…

A:

Q: In a computer model of the atmosphere. 20 kJ of energy was transferred as heat to a parcel (a…

A: The reactions in which the energy in the form of heat is absorbed are named as endothermic reaction…

Q: If you have 7 moles of a diatomic ideal gas (such as oxygen or nitrogen), how much heat is required…

A: Given data  The number of moles of a diatomic ideal gas (such as oxygen or nitrogen),  n =  7 moles…

Q: 8. Calculate the E for a system undergoing an exothermic process in which 10.3 kJ of heat flows and…

A:

Q: Calculate internal energy from heat and work and state the signconventions of these quantities?

A: First law of thermodynamics: According to first law of thermodynamics, total internal energy of…

Q: A piston compresses the air in the cylinder by doing 84J of work on the air. As a result, the air…

A: Given,  What is change in internal energy = ΔU = ?

Q: A system undergoes a process in which ∆E = -250 J while gaining 93 J of heat energy and undergoing…

A: Given,  ∆E or du = -250 J dq = 93 J Pressure, P = 2.5 atm Formula Used, According to first law of…

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: Distinguish between the system and the surroundings in thermodynamics?

A: The difference between the system and the surroundings in thermodynamics has to be given,

Q: Two moles of an ideal gas absorb 711 J of heat in a compression of 18 to 8 liters, with 711 J of…

A:

Q: . Explain how the sum of heat and work can be a state function,even though heat and work are…

A: Given : Explain how the sum of heat and work can be a state function,even though heat and work are…

Q: If a student used a sample of metal that was wet, several percent of the apparent mass of the metal…

A: Heat capacity is the amount of heat energy required by a substance to raise its temperature by 1oC.…

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: 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: 926 kJ of thermal energy are removed from a sample of gas causing the gas to contract. As the gas…

A:

Q: What is the reletionship between internal energy, heat capacity and enthropy?

A: The amount of energy required to increase the temperature of a substance by one degree celsius is…

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

A:

Q: 300J of heat is added to the  system and 180 J of work is done by the system through expansion. How…

A: Given that: Heat added to the system (q) = 300 J Work done by the system (w) = -180 J Internal…

Q: An instrument consisting of electric motor and a battery produced 25 kJ of work and lost 10 kJ as…

A: The relationship between work, heat and internal energy change is given by  ΔU = q + w where ΔU =…

Q: What are the units of molar heat capacity?

A: Molar Heat capacity: The heat required to raise the temperature of 1 mole of substance by 1 degree…

Q: Calculate the value of internal energy if 670J of heat energy is absorbed by the surrounndings and…

A:

Q: a system recieves 425J of heat and delivers 425J of work toits surroundings. what is the change in…

A: Given Heat ( q ) = +425 J ( as heat is received to system ) Work ( w) = +425 J ( as work done by…

Q: A system absorbs 455 J of energy and at the same time 514 of work was done on it. What is the change…

A: Consider the given information is as follows; Q (amount of heat absorbed) = + 455 J Work done on the…

Q: Explain the difference between the change in internal energy and the change in enthalpy of a…

A: Change in internal energy (∆U): Internal energy is the sum of Potential energy and the work done of…

Q: What is the change in the internal energy of the system if 69 kJ of heat energy is evolved by the…

A: From first law of thermodynamics, Heat added to system = change in internal energy + work done by…

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 change in the internal energy of the system if the surroundings releases 300J of heat…

A:

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: 1. a. (i) The work done to compress a gas is 85.0 J. As a result, 21.0 J of heat is given off to the…

A: Given that w = 85.0 j (it is positive because work done on gass)  q = - 21.0 j (it is negative…

Q: A system does 551 kJ of work and loses 216 kJ of heat to the surroundings. What is the change in…

A: Given Data : 1. Work done (W) = -551KJ 2. Heat to the surroundings (Q) = -216 KJ Work done by the…

Q: Compute for the value of internal energy if a 498 J of heat energy is absorbed by the surroundings…

A:

Q: The internal energy of a perfect gas does not change when the gas undergoes isothermal expansion…

A: Given, The gas undergoes isothermal expansion from Vi to Vf Therefore, ∆U=0 Here,  Vi = initial…

Q: A system gains 727 kJ727 kJ of heat, resulting in a change in internal energy of the system equal to…

A: As we know; deltaU = Q + W  where delta U is change in internal energy  Q = heat produced  W =…

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: How can the thermometer in the flask on the previous page be used to demonstrate the relationship…

A: To explain the relationship between heat transfer and Kinetic energy , at first we have to know "…

Q: What is the relationship between internal energy (ΔU), andenthalpy (ΔH) for an endothermic process…

A: The relationship between internal energy (ΔU) andenthalpy (ΔH) for an endothermic process is to be…

Q: Write an equation that expresses the first law of thermodynamics in terms of heat and work.

A: The First Law of Thermodynamics states that energy can be converted from one form to another with…

Q: change in the internal energy

A:

Q: What is the change in internal energy of the system (ΔU) if 65 kJ of heat energy is evolved by the…

A: As heat energy is evolved by the system, q will be -ve q=-65 kJ As work is done on the system, w…

Q: The table provides molar heat capacities (Cm) of selected metals with the units of joules per…

A: • The values provided in the question are:-  i) Molar heat capacity of Nickel , Cm = 26.07 J/(mol•K)…

Q: Calculate the magnitude of q for a system that does 508000 kJ of work on its surroundings and for…

A: Given information,

Q: 1.00 mol of a diatomic ideal gas in a piston-cylinder initially occupies 8.0 L at 300 Kelvin and…

A: Given, T1 = 300 K V1 = 8 L T2 = 390 K n = 1 mol

Q: The molar heat capacity of silver is 25.35 J/mol - °C. How much energy would it take to raise the…

A: Part B : We would calculate heat required by using formula :  q = n × Cm × ∆T  Where, n = moles  Cm…

Q: Calculate the energy change for a system undergoing an exothermic process in which 15.4 kJ of heat…

A: Process is : exothermic. Heat flows = 15.4 KJ. Workdone = 6.3 KJ. Energy change for the system = ?

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 chemical reaction is run in which 412 Joules of heat are generated and the internal energy changes…

A: We have to calculate the work done .