A system undergoes a process consisting of the following two steps:Step 1: The system absorbs 72 Jof heat while 35 J of work is done on it.Step 2: The system absorbs 35 J of heat while performing 27J of work.Assuming that the heat capacity of the system is 23 J/C and the initial temperatureis 25 C, calculate the final temperaturefor the overall process.

Q: A system undergoes a process consisting of the following two steps: Step 1: The system absorbs 71 J…

A: The relationship between the parameters is given as where w = work and q = heat

Q: How many grams of water can be heated from 25.0 oC to 75oC using 12500.0 Joules?

A: Given, amount of heat =12500.0 Joulesinitial temperature =25 °Cfinal  temperature =75 °Cwe are asked…

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Q: A system gains 727 kJ of heat, resulting in a change in internal energy of the system equal to +151…

A:

Q: A system undergoes a process consisting of the following two steps: Step 1: The system absorbs 72 J…

A: Please have a look on the solution attached below

Q: A gas in a closed container is heated, causing the lid of the container to rise. The gas performs 3J…

A: Given: work done ( w) = - 3 J Internal energy change ( ∆U ) = + 15 J Heat absorbed ( q ) = ? By…

Q: long path acb, 100 J of heat flows into the system and the system does OJ of work. (a) How much heat…

A: The energy change during a process is always conserved. The internal energy is a state function; it…

Q: A 55 kg block of metal has an original temperature of 15.0°C and a specific heat capacity of 0.45…

A: Specific heat capacity (C) =       Q                                                       m ( T2…

Q: When a 13.3 g sample of NaOH(s) dissolves in 380.0 mL water in a coffee cup calorimeter, the…

A:

Q: A sample of aluminum metal absorbs 9.86 J of heat, upon which the temperature of the sample…

A:

Q: A 124.5 g sample of an unknown metal absorbs 1276.25 J of heat, upon which the temperature of the…

A: Given: The mass of the metal sample = 124.5 g The amount of heat absorbed by the metal = 1276.25 J…

Q: What is the change in internal energy for a system if the system absorbs 537 kJ of heat and does…

A: We have given that  Heat absorbed by system =q= 537KJ  Work done by system is always negative   W =…

Q: A system initially has an internal energy U of 501 J. It undergoes a process during which it…

A:

Q: A sample of aluminum metal absorbs 9.86 J of heat, upon which the temperature of the sample…

A: Using the following equation, the mass of the metal is calculated.

Q: Which of the following will always result in AU > 0? O work done on the system, heat released by the…

A:

Q: For a process,AE =+148 kJ and the system does 34 kJ of work on the surroundings. This means that...…

A: Given : ∆Esys = +148 kJ Work on he surroundings = 34 kJ

Q: A system releases 689 kJ of heat and does 105 kJ of work on the surroundings. ▾ Part A What is the…

A:

Q: If 400 J of heat is given to a system and the system does 200J of work, what is the change in…

A: Answer:- This question is answered by using the simple concept of calculation of change in energy…

Q: When determining the heat capacity of the unknown metal we assumed the heat capacity of water has a…

A: When determining the heat capacity of the unknown metal we assumed the heat capacity of the water…

Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 1.54 kg sample…

A: q = amount of heat required to raise the temperature = 19.6kJ = 19600J Initial temperature = Ti =…

Q: The heat of combustion for a sample of coal is 24.0 kJ/g. What quantity of coal (in grams) must be…

A:

Q: An 80.0 g sample of a gas was heated from 25 °C to 225 °C. During this process, 346 J of work was…

A:

Q: A system undergoes a process consisting of the following two steps: Step 1: The system absorbs 68 J…

A: The process happening on the system is of two steps given as,

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

A: First law of thermodynamics states that heat energy cannot be created or destroyed. It can be…

Q: A 76 ml solution of a dilute AGNO3 solution is added to 91 mL of a base solution in a coffee-cup…

A:

Q: A sample of tin experiences a cemperature change of +60.8 PC while absorbing 672.1 joules of heat.…

A: Specific heat capacity is amount of heat needed to increase the temperature of one gram of substance…

Q: 1. A system receives 425 J of heat and delivers 425 J of work toits surroundings. What is the change…

A: We have to calculate the change of internal energy of system.

Q: A piece of copper metal is initially at 100.0°C. It is dropped into a coffee cup calorimeter…

A: Given data,

Q: A system gains 767 kJ of heat, resulting in a change in internal energy of the system equal to +201…

A: Find the solution below

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: A piece of solid substance weighs 2.0g, and requires 100J to increase its temperature from 25.0…

A: Given: Mass of substance= 2.0 g T1= 25 C T2= 30.0 C Heat, q= 100 J

Q: Which of the following processes always results in an increase in the energy of a system? O The…

A: Which of the following processes always results in an increases in the energy of a system has to be…

Q: If 171.4 grams of water must be heated from 8.00°C to 85.0 °C to make a cup of tea, how much heat…

A: The solution is as follows :

Q: A 3.01 kg aluminum engine block heats up to 129.6 °C. Engine coolant at 21.1 °C is added to prevent…

A: Given data,Mass of Al engine(mAl)=3.01Kg=3010gInitial temperature of Al engine(TAl)=129.6oCInitial…

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

A: According to first law of thermodynamics, ∆U = ∆Q - ∆W

Q: 4. A 74.8 g sample of copper at 143.2°C is added to an insulated vessel containi 165 mL of glycerol,…

A:

Q: A system undergoes a process consisting of the following two steps: Step 1: The system absorbs 75 J…

A:

Q: When a 12.5 g sample of NaOH(s) dissolves in 395.0 mL water in a coffee cup calorimeter, the…

A: Please find the solution attached as handwritten note .

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

A: The first law of thermodynamics states that the energy of the universe is constant i.e. the sum of…

Q: Calculate ΔE of a gas for a process in which the gas evolves 24 J of heat and has 9 J of work done…

A: Applying 1st law of thermodynamics  ΔE = q + w  where ΔE is change in internal energy , q = heat…

Q: 4. A sample of aluminum metal absorbs 9.86 J of heat, upon which the temperature of the sample…

A: Please find your solution below :

Q: chemical reaction is run in which 465 Joules of heat are generated and the internal energy changes…

A: ★ Q + W = ΔU 465 J + W = – 27 J  W = – 27 J – 465 J  W = – 492 J.

Q: A metal cools from an initial temperature of 150 degrees C to 50 degrees C and releases 190 J of…

A: Specific heat capacity is the amount of heat that is required to rise a temperature of 1 kg…

Q: energylost by the Fewill be th the heat enérgy gained by- Mass of water 50.003 g Temperature of…

A: Given that :

Q: A system undergoes a process consisting of the following two steps: Step 1. The system absorbs 49 J…

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

Q: of

A: According to 1st law of thermodynamics  Change in internal energy= Q-W Q= heat added to the system…

Q: A system undergoes a process consisting of the following two steps: Step 1: The system absorbs 74 J…

A: We have given that a system undergoing a process consisting of two given steps. And asked for the ∆E…

Q: 4. Determine the final temperature of water if 9.2 kJ of heat is added to 250 mL of 17°C water (the…

A: