Apply the First Law of Thermodynamics to answer the following: a. If a system does 475 J of work on the surroundings and absorbs 745 J of heat, what is the change in internal energy for the process?  The change in internal energy for the expansion of a gas sample is -4750 J. How much work is done if the gas sample loses 1125 J of heat to the surroundings? Is this work done by the gas or done by the surrounding

Q: A 2.821 g sample of a new organic material is combusted in a bomb calorimeter. The temperature of…

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Q: A 2.817 g sample of a new organic material is combusted in a bomb calorimeter. The temperature of…

A: Given, Mass of sample = 2.817 g Temperature increases from 23.97◦C to 29.14◦C Heat capacity of…

Q: A sample of toluene undergoes combustion in a bomb calorimeter that is insulated by 814 g of water…

A: Given: Mass of water = 814 g. Heat capacity of calorimeter = 1015 J/oC And the increase in the…

Q: What is the change in internal energy of a system if the system (a) absorbs 58 J of heat and does 58…

A: Given information, (a) System absorbs 58 J of heat and does 58 J of work (b) System absorbs 125 J of…

Q: A metal object with a mass of 19.2 g is heated to 96 °C and then transferred to a calorimeter…

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Q: A gas is confined to a cylinder under constant atmospheric pressure. When 0.49 kJ of heat is added…

A: It is given that the gas is in a cylinder under constant atmospheric pressure, on being provided…

Q: A system gains 617 kJ of heat, resulting in a change in internal energy of the system equal to +161…

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Q: The air within a piston equipped with a cylinder absorbs 565 J of heat and expands from an initial…

A: Internal energy is the total energy present within a given system, which includes the kinetic energy…

Q: 75.0 mL of 1.80 M CuSO 4 solution is mixed with 150 mL of 1.80 M NaOH solution in a coffee cup…

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Q: The work done to compress a gas is 74 J. As a result, 26 J of heat is given off to the surroundings.…

A: Note - Since you have asked multiple question, we will solve the first question for you. If youwant…

Q: When a solid dissolves in water, heat may be evolved or absorbed. The heat of dissolution…

A: Given: mass of CuSO4 = 3.32 g mass of H2O = 113.60 g Temperature change from 23.47 to 26.70 °C heat…

Q: 4. A system undergoes a process consisting of the following two steps: Step 1: The system absorbs 73…

A: Q = ∆E + W For work done on the system: W = -ve For work done on by the system: W = +ve

Q: 5.114 A 3.52-g sample of ammonium nitrate (NH4NO3)was added to 80.0 mL of water in a…

A: Given that : Mass of ammonium nitrate = 3.52g Mass of water = 80.0mL = 80.0g Change in temperature…

Q: A gas that works on the surroundings is equal to 432 J. At the same time, it absorbs 87 J of heat…

A: Work done by the gas on the surrounding means, the energy is reduced from the gas. Heat absorbed by…

Q: During a certain chemical reaction 1,395 J of heat is released from the system and 360 J of work is…

A: Given :-  work done on surrounding = 360 J  heat released from system = 1395 J  To be calculated :-…

Q: When a solid dissolves in water, heat may be evolved or absorbed. The heat of dissolution…

A: Given data, Mass of K2SO4 = 5.25 g Mass of water = 115.60 g Initial temperature = 23.87oC final…

Q: 3) A system moves from state A to state B. When the system takes path 1, 500 Jof heat flow into the…

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

Q: 6. The work done to compress a gas is 74 J. As a result, 26 J of heat is given off to the…

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Q: A 1.96 g sample of titanium was burned in a bomb calorimeter. The bomb calorimeter has a heat…

A: The solution is as follows :

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: The work done to compress a gas is 67.0 J. As a result, 29.0 J of heat is given off to the…

A: Given, work done, w = +67.0 J Heat, q = -29.0 J

Q: A chemical reaction in a bomb calorimeter evolves 3.15 kJ of heat. If the temperature of the…

A: From given data q = 3.15 kJ = 3150 J  T1= 19.19°C = 292.19 K T2= 22.03°C = 295.03 K  Formula used…

Q: The work done to compress a gas is 74 J. As a result, 26 J of heat is given off to the surroundings.…

A: Given ; energy added by work = 74 J              Energy given to surrounding = 26 J

Q: When gasoline burns in an automobile engine, the heat released (325 J) causes the products CO2 and…

A: Given:   The heat released is 325 J. The work done by gas during expansion is 451 J.

Q: 1. Calculate the value of ΔE in joules for a system that loses 50 J of heat and has 150 J of work…

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

Q: When a solid dissolves in water, heat may be evolved or absorbed. The heat of dissolution…

A:

Q: 2. The work done when a gas expands in a cylinder is 264 J. During the process, there is a heat…

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Q: Which statement is true of the internal energy of the system andits surroundings following a process…

A: The change internal energy is positive that is ∆Esys=+65 kJ.

Q: Is the change in enthalpy for a reaction an extensive property? Explain the relationship between ΔH…

A: The enthalpy of the reaction is considered as the state function that is it depends only on the…

Q: A 60.86-g stainless steel ball bearing at 115.81°C is placed in a constant-pressure calorimeter…

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Q: 1.) The internal energy of a system increases 253 J , while the system loses 93 J of heat.…

A: Internal energy (∆E) :-         It is the energy of a thermodynamic system which is present in that…

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: 12. The work done to compress a gas is 50 J. As a result, 20 J of heat is given off to the…

A: Work done to gas = +50 J  Heat lost = -20 J

Q: The work done when a gas is compressed in a cylinder is 455 J. During this process, there is a heat…

A: To find the energy change, we need to use the formula which contains change in energy, work done and…

Q: If a system does 84.0 kJ of work on its surroundings and releases 105 kJ of heat, what is the change…

A: From first Law of Thermodynamics , the total change in internal energy of the system can be…

Q: A 3.623 g sample of a new organic material is combusted in a bomb calorimeter. The temperature of…

A: Given, The weight of sample is 3.623 g. The given temperature values are 23.53 ˚C and 30.40 ˚C. The…

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

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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: For the following processes, calculate the change in internal energy of the system and determine…

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Q: For a process, 153 J of heat was released by the system and 267 J of work was done on the system.…

A: Thermodynamics is branch of chemistry in which we deal with heat absorbed and heat released in to…

Q: A 1.655 g1.655 g sample of a new organic material is combusted in a bomb calorimeter. The…

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Q: 3. A 135.0 g sample of dilute hydrochloric acid is placed in a copper calorimeter with a mass of 465…

A: Q3) Given that: Mass of HCl sample = 135.0 g Mass of copper calorimeter = 465 g Specific heat…

Q: a system produces 123.0 kJ of heat and does 45.0 kJ of work on the surroundings, what is the ∆E for…

A: First law of thermodynamics can be written as  dQ=dE-dWwheredQ=heatdE=internal energydW=work done…

Q: 75.0 mL of 1.80 M CUSO 4 solution is mixed with 150 mL of 1.80 M NAOH solution in a coffee cup…

A: 75.0 mL of 1.80 M CuSO 4 solution is mixed with 150 mL of 1.80 M NaOH solution in a coffee cup…

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

A: The expression for the change in internal energy is ΔU=q+w.......(1). Where, ΔU represents heat…

Q: Liquid hydrogen peroxide releases oxygen gas in its decomposition. 2 H2O2 — 2 H,О + O2 AHn = -196.1…

A: Given :-  2H2O2 → 2H2O + O2  ∆Hrxn = -196.1 kJ  To calculate :-  Amount of heat released when…

Q: The work done to compress a gas is 69.0 J. As a result, 37.0 J of heat is given off to the…

A: Given, Heat given off q = 37 J , work done w = 69 J , change on energy ∆U = ?

Q: -. The contents of the closed box in each of the following illustrations represent a system, and the…

A: Since numerical values of w or Q are not given, we have to use sign convention to find the sign of…