Identify the force present and explain whether work is done when  a positively charged particle moves in a circle at a fixed distance from a negatively charged particle,  an iron nail is pulled off a magnet

Q: A piston expands from 10 L to 20 L under an external pressure of 3 atm. what is the work in Joules?

A: The work done by a gas is given by  W = -PextΔV where ΔV = change in volume = final volume - initial…

Q: A system moves from state X to Y via path 1as shown in figure. 100 joules of heat is absorbed by the…

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Q: Measurements show that the enthalpy of a mixture of gaseous reactants increases by 273. kJ during a…

A: Given :  1. Change in Enthalpy = + 273 kJ  2. Work done = 122 kJ .

Q: A sample of gas occupies a volume of 66.7 mL. As it expands, it does 131.6 J of work on its…

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

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Q: Lab equipment/apparatus: Coffee cup calorimeter (Special Instruction: Briefly describe the set up of…

A: Interpretation: To describe the set up of the coffee-cup calorimeter, the function of each part and…

Q: Measurements show that the enthalpy of a mixture of gaseous reactants decreases by 291. kJ during a…

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Q: Measurements show that the enthalpy of a mixture of gaseous reactants decreases by 225. kJ during a…

A: a.) To Calculate the change in energy of the gas mixture , we would use first law of thermodynamics.…

Q: Measurements show that the energy of a mixture of gaseous reactants increases by 202. kJ during a…

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Q: MUST SHOW ALL WORK AND UNITS 1. The temperature of a 98.7 g piece of metal increases from 17.0 °C to…

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

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: The system absorbs 88 J of energy as it does 42 J of work. * Calculate the change in energy for the…

A: Given: System is absorbing 88 J of energy and doing 42 J of work.

Q: Distinguish between work and heat at the macroscopic level

A: Step 1: At the macroscopic level, there is no difference between work and heat, and they are both…

Q: One statement of the first law of thermodynamics is that pick one the amount of work done on a…

A: The first law of thermodynamics is basically the conservation of energy. It stats that the total…

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: The contents of the closed box in each image represent a system, and the arrows show the changes to…

A: From the first law of thermodynamics,  □U = q + w  Where, q = heat      w = work   Prodces A) q =…

Q: Measurements show that the enthalpy of a mixture of gaseous reactants decreases by 388. kJ during a…

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Q: air in an inflated balloon (system) is warmed and absorbes 665. J of heat the surroundings also…

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Q: Which of these descriptions of heat energy is not correct?a. Heat energy flows between objects that…

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

Q: What is meant by the specific heat capacity of an object

A: To define the specific heat capacity of an object.

Q: A chemical system in which both energy and matter can flow into or out of a system is described as:…

A: Since you have asked questions with multiple subparts, we will answer only first 3 subparts for you.…

Q: What product determines the work performed on or by a gas? O moles of atom and light O time and…

A: We can determined work performed on the gas by using the ideal gas equation . Ideal gas equation :…

Q: One hundred (100.) joules of work is required to compress a gas. At the same time, the gas releases…

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Q: The work done when a gas is compressed in a cylinder is 572.0 J. During this process, there is a…

A: Change in internal energy of a system during compression of a gas can be calculated by using the…

Q: During a(n)___________ process, the system gains energy from the surroundings. Group of answer…

A: Thermodynamics is a branch of science which deals with the energy changes taking place between…

Q: Measurements show that the energy of a mixture of gaseous reactants increases by 175. kJ during a…

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Q: Differentiate between Work and Heat at the macroscopic level.

A: Both heat and work at macroscopic level are similar and are mode of transportation of energy.

Q: Consider the following reaction between nitrogen and hydrogen gases.   N2(g) + 2H2(g) → N2H4(g) ΔH…

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Q: Which of the following is/are TRUE for an endothermic process in an open or closed system? I. The…

A: We have to tell which statement is true.

Q: Which one of the following definitions best describes the concept of work? * the random motion of…

A: Work = force × distance. It means that force required to move or cause deformation to the system.…

Q: The internal energy of a system will ALWAYS increase when _______. Select one: a. the system gains…

A: To identify: A condition in which the internal energy of a system will always increase.

Q: In a far planet from earth, a balloon containing a certain gas expands from 100 L to 250 L by…

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Q: A sample of gas occupies a volume of 54.5 mL. As it expands, it does 117.6 J of work on its…

A: Given :- External pressure (Pext) = 783 Torr Initial volume (Vinitial) = 54.5 mL = 0.0545L Work done…

Q: A mountain hiker found a chunk of shiny metal on the trail.  He wanted to find out the identity of…

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Q: Work is done on the system and heat is absorbed by the system. What are the signs on heat and work?…

A: Solution: According to the IUPAC sign conversation, work done (W) by system means there is decrease…

Q: A gas absorbs 15.2 J of heat and then performs 15.2 J of work. The change in internal energy of the…

A: Given: Heat absorbed= 15.2 J             Work done= 15.2 J To find : change in internal energy…

Q: Energy and the First Law of Thermodynamics: We have discussed in the previous discussion the…

A: According to First law of Thermodynamics- ∆U = q + wwhere∆U = total change in internal energy of a…

Q: The following reaction takes place: Cuso, st06)+ Cusos SHolg Describe the work involved in this…

A: Introduction: When a hydrated salt (salt contains lattice water) is heated, then the lattice water…

Q: Measurements show that the enthalpy of a mixture of gaseous reactants decreases by 160. kJ during a…

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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: Measurements show that the energy of a mixture of gaseous reactants increases by 316. kJ during a…

A: The relation between change in enthalpy, work, and internal energy is given as: ∆H=∆U+w…

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: Measurements show that the enthalpy of a mixture of gaseous reactants increases by 254. kJ during a…

A: Given :- Q = +254 KJ positive because energy is absorbed by system W = +185 KJ positive because work…

Q: When a particular gas expands against a constant external pressure of 1.00 bar, it does 5 J of work…

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Q: a. Determine whether energy as heat is evolved or required in the following process at constant…

A: Given: a. Ozone decomposes to give O2.

Q: The work done to compress gas is 83.0 J. As a result, 33.0 J of heat is given off to the…

A: According to the 1st law of thermodynamics, the relation between change in internal energy, work…

Q: Measurements show that the enthalpy of a mixture of gaseous reactants decreases by 365. kJ during a…

A: Answer: This question is based on the first law of thermodynamics which is based on the conservation…

Q: Which of the following scenes depict the process of an increase in the enthalpy?     Stirring a…

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