for a reaction that does work and releases heat under constant pressure which will have the larger absolute value?

Q: In a laboratory experiment, 30. J of heat was added to a gas piston assembly as the piston did 75 J…

A: Given, Heat = 30J. Work done = 75J. As work is done by the system on surroundings, the work done…

Q: A 837 g copper pan is removed from the stove at a temperature of 150 °C. It is then stacked on top…

A: At thermal equilibrium, the amount of heat released by the copper pan (QCu) is equal to the amount…

Q: Calculate the ΔE for a gas that absorbs 200 J of heat and does 12 J of work by expanding

A:

Q: Which statement is true of the internal energy of a system and its surroundings during an energy…

A: The true statement of the internal energy of a system and its surroundings during an energy exchange…

Q: An experimenter adds 980 J of heat to 1.75 mol of an ideal gas to heat it from 10.0 ∘C to 25.0 ∘C at…

A:

Q: Based on the formula for pressure-volume work,  if work is done on the system by the surroundings,…

A: Given information,            Work is done on the system by the surroundings. The pressure-volume…

Q: Calculate the specific heat capacity of the unknown metal given the mass of the metal is 225g, the…

A: Given for a sample of metal  mass of metal = 225 gm temperature rise ∆T = 13°C energy absorb Q =…

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

A:

Q: The amount of work to compress a gas is 80J, 30 J of heat is given off to the surroundings.…

A: Given,Work to compress a gas = 80 JHeat given off by the system = 30 JRequired,…

Q: When 1 mol of a gas burns at constant pressure, it produces2418 J of heat and does 5 J of work.…

A: When a gas burns at constant pressure we have P = constant. So, Pext = P of the gas container We…

Q: Imagine some helium in a cylinder with an initial volume of 1 liter and an initial pressure of 1…

A: “Since you have posted a question with multiple sub-parts, we will solve first three subparts for…

Q: consider an ideal gas enclosed in 1 litre container at an internal pressure of 20 ATM calculate the…

A:

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

A:

Q: Calculate the work in joules when a piston moves from a volume of 50.00 mL to a  volume of 450.00 mL…

A:

Q: The addition of 1.210 g of zinc metal to 0.100 L of 0.1851 M HCl in a coffee cup calorimeter causes…

A: In any particular reaction, enthalpy change that causes at pressure constant condition is considered…

Q: Which of the following statements is incorrect? A) The system that there is no substance and energy…

A: Given: Some statements are given To find: Incorrect statement Solution: There are many types of…

Q: An unknown metal object is at 161C and placed into 3500 mL of cold water. If the metal object has a…

A: Given : Volume of water = 3500 mL Mass of metal = 2700 g Final temperature of metal = 35 oC Initial…

Q: A gas expands and does work on the surroundings equal to 300 J and absorbs 125 J from the…

A: According to the first law of thermodynamics, the energy of the universe remains constant. For a…

Q: A gas forming reaction produces 5.15 L of gas against a constant pressure of 0.985 atm.  Calculate…

A: The work done by the gas when the change in volume and pressure has been given can be calculated by…

Q: In a gas expansion,  9.0  ×  101  J of heat is absorbed by the system, and the energy of the system…

A: According to the first law of thermodynamic;

Q: expanding gas does 171 J of work on its surroundings at a constant pressure of 1.02 atm. If the gas…

A: Work (w) = -171 J Pext = 1.02 atm Initial Volume (V1) = 68.0 mL        = 0.068 L Work = -Pext.(V2 -…

Q: Which of the following statements is incorrect? A) The system that there is no substance and energy…

A: Chemical thermodynamics is the study of the interrelation of heat and work with chemical reactions…

Q: (ii) the maximum energy that can be made available for work due to the process.

A: Given: Moles of gas = 100 Initial volume = 2m3 Final volume = 5m3 Temperature  = 280 K Constants, a…

Q: Consider an ideal gas enclosed in a 1.00 L container at an internal pressure of 24.0 atm. Calculate…

A: Whenever gas expands against an external pressure, work done is negative because energy gets…

Q: What is being avoided in cleaning the laboratory tools and equipment before using? A. contamination…

A: 4 . Answer  D. Viruses  5. Answer  B. pinchcock  At the bottom of the tube is a stopcock, or valve,…

Q: Two pieces of metal (A and B) are in contact with each other and initially at different…

A: For Metal A: mass of metal A = 7.50 g Initial Temperature = 24 oC Final Temperature = 35 oC Change…

Q: done against the system during compression of a gas, at the same time 385 J of heat is released from…

A: Answer  Apply 1st law  of thermodynamics  U  =  Q + W

Q: The average human lung expands by about 0.50 L during each breath. If this expansion occurs against…

A: In the case of expansion, the system loses energy to the surroundings so work done by the system is…

Q: Which statement is true of the internal energy of a system and its surroundings during an energy…

A: Since you have posted multiple questions, we are entitled to answer the first only.

Q: Two pieces of metal (A and B) are in contact with each other and initially at different…

A:

Q: Which statement is true of the internal energy of a system and its surroundings during an energy…

A: Given : ΔEsys is -ve.

Q: Calculate the ∆E for a gas that absorbs 200 J of heat and does 12 J of work by expanding.

A:

Q: What is the value of ∆? in a system wherein a car engine that releases heat pushing the piston,…

A: By FLOT Internal energy change for the system ( ∆U): ∆U = ∆q + w      = -325 - 451       = - 776 J

Q: ich represents the definition of pressure A) volume x force B) volume/density C) force/area D)…

A: The specific heat can be defined as the amount of heat per unit mass that is needed to raise the…

Q: Which statement is false The thermodynamic quantity most easily measured in a "coffee cup"…

A: The statement which is false given below.

Q: Which of the following is a statement of Hess's law?     If a reaction is carried out in a series of…

A: Thermodynamics is branch of chemistry in which we deal with amount of heat absorbed or evolved…

Q: Which of the following is a statement of Hess’s law? If a reaction is carried out in a series of…

A: Enthalpy of a system is defined as sum of internal energy and its additional pressure volume energy.…

Q: What is pressure-volume work? How is it calculated?

A: Pressure-volume work is the work which is done by or done on the fluid or gaseous system during…

Q: O Energy is evolved. b. Determine whether work was done on the system or the system does work on the…

A:

Q: a b C d

A: Given: The internal energy change = -200 J For moving from c to d, required heat, Qcd = 180 J For…

Q: an a. Aluminum (specific heat capacity of 0.921 J/g°C) b. Copper (specific heat capacity of 0.377…

A:

Q: Consider an ideal gas enclosed in a 1.00 L container at an internal pressure of 18.0 atm. Calculate…

A: Work done by gas against a constant external pressure is given by  W = -PΔV where W = work done by…

Q: Consider an ideal gas enclosed in a 1.001.00 L container at an internal pressure of 18.018.0 atm.…

A: A. Work = -Pexternal ×volume change -1.001atm×18.018.0-1.001L=-17.034atm-L1atm…

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: Consider an ideal gas enclosed in a 1.00 L container at an internal pressure of 24.0 atm. Calculate…

A: Given data is as follows: The initial volume of the ideal gas V1 = 1.00 L The final volume of the…

Q: A substance receives 1 kJ of pressure-volume work and produces 2 kJ of heat at constant pressure.…

A: Given, a substance receives ---- 1kJ of pressure-volume work. Heat produced by the substance at…

Q: Which statement is incorrect? Energy is the capacity to do work or to transfer heat. O Kinetic…

A: There are various forms of energy.  The law of conservation of energy states that energy is neither…

Q: Describe the relationship of enthalpy, work, and internal energy. Calculate the AU for these…

A: Heat :- Energy is exchanged between the system and the surroundings as heat if they are at…

Q: Calculate ΔE for a system that absorbs 506.0  kJ of heat from its surroundings and does 379.0  kJ of…

A: It is a given that a system absorbs 506 kJ of heat and the system does 379 kJ of work on the…