What is the change in internal energy of the air within the piston?   The air within a piston equipped with a cylinder absorbs 555 J of heat and expands from an initial volume of 0.10 L to a final volume of 0.87 Lagainst an external pressure of 1.0 atm.

Q: A gas expands from a volume of 0.550 L to 2.50 L against a constant pressure of 1.50 atm. What is…

A: A gas undergoes an expansion from a volume of 0.550 L to 2.50 L against a constant pressure of 1.50…

Q: Suppose that the molar enthalpy of a reaction is -73.45 kJ/mol and 4.222 moles are reacted. How many…

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Q: A sample of nickel is heated to 99.8C and placed in a coffee-cup calorimeter containing 150.0 g…

A: Heat change in a body is depends on the mass and temperature change of the body. heat change = mass…

Q: A chemical reaction in a bomb calorimeter produces 5.17 kJ of heat. If the heat capacity of the…

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Q: An automobile engine provides 623 Joules of work to push the pistons. In this process the internal…

A: Given: Work done = 623 Joules Change in internal energy = -2731 Joules

Q: A gas is compressed from an initial volume of 5.55 L to a finalvolume of 1.22 L by an external…

A: The expression for the work done,  W=-P(Vf-Vi)W=-1.00 atm (1.22 L-5.55 L)W=4.33 L (101.33 J)1 L…

Q: 4. A 5.00 gram sample of an unknown metal was placed in a beaker of boiling water (99.58 °C). After…

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Q: An ideal gas in a cylinder fitted with a piston expands at constant temperature from a pressure of 9…

A: Given data : Temperature (T) = Constant Pressure (P) = 9 atm Volume(V) = 7.0 L to 17 LConsatnt…

Q: If the energy change for a system is equal to the mass of the substance x the change in temperature…

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

Q: How do I find heat absorbed by a calorimeter alone, and also heat absorbed by the conents of the…

A: The amount of heat or energy released or gained during the process is measured by using calorimeter.

Q: 6. How much work is needed in a system to expand from 25 to 50 L against a pressure of 7 atm? Is…

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: 17) A 22.9 g sample of iron absorbs 155 J of heat, sample upon which the temperature of the…

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Q: The specific heat capacity of a pure substance can be found by dividing the heat needed to change…

A: Given - Heat capacity of the substance = 4.78Jg.°C            Mass of the substance = 189 g…

Q: In a calorimetry experiment, a 22.5 gram metal object was heated to 64.23oC. It was placed into a…

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Q: How much heat is required to raise the temperature of a 75.0 gram sample of Titanium from 46.OC to…

A: The required amount of heat to increase the temperature of a compound can be determined by the…

Q: . A 50.0g sample of water is heated from 25.0 °C to 75.0 °C. Calculate the amouunt of heat energy…

A: In the given question, mass of water is given and the temperature change is given.  We have to…

Q: An ideal gas ina cylinder fitted with a piston expands at constant temperature from a pressure of 6…

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Q: As a system in volume, it absorbs 52.5 J of energy in the form of heat from the surroundings. The…

A: The internal energy of the system can be modified by doing work on them or by adding heat to the…

Q: An ideal gas ina cylinder fitted with a piston expands at constant temperature from a pressure of 7…

A: When a gas expands the work will be done by the gas on the surrounding. When the work is done by the…

Q: Suppose that the molar enthalpy of a reaction is -40.95 kJ/mol and 3.144 moles are reacted. How many…

A: The energy released or absorbed per mole of solute dissolved in a solvent is known as molar heat of…

Q: A piece of aluminum with a mass of 4.39 grams is heated to raise its temperature from 21.7°C to…

A: a) Since specific heat capacity of Al is 0.9 J/g.°C Since quantity of heat absorbed is given by  Q =…

Q: A 2.62E1 g sample of aluminum at 1.008E2 °C is added to 1.002E2 g of water at 2.22E1 °C in a…

A: For a chemical reaction or physical process to occur a certain amount of energy should be furnished…

Q: The specific heat capacity of a pure substance can be found by dividing the heat needed to change…

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Q: A gas expands and does work on the surroundings equal to 0.21 L atm. At the same time, it absorbs…

A: The question is based on the concept of chemical thermodynamics. We have  to calculate internal…

Q: As a system increases in volume, it absorbs 50.33 of energy in the form of heat from the…

A: The internal energy of the system can be modified by doing work on them or by adding heat to the…

Q: A metal object with mass of 24.9 g is heated to 97.0 ∘C and then transferred to an insulated…

A: Heat = mass of substance X specific heat X temperature change

Q: What is the specific heat of a 74.01g piece of an unkown metal that exhibits a 45.2 Celcius…

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Q: An ideal gas in a cylinder fitted with a piston expands at constant temperature from a pressure of 5…

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Q: a piece of iron is heated to 95.0 C and then placed in an insulated vessel containing 250. g of…

A: The objective of this question is to find the mass of the iron piece using the principle of…

Q: What is the internal energy of the system that absorbs 90 J of heat and 15 J work done by the…

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Q: An 18.89 g sample of neon gas in a container with a movable wall is initially at a temperature of…

A: GIVEN: Mass of Neon gas = 18.89 g Initial Temperature (T1)= 320 K Final Temperature (T2)= 405 K…

Q: A sample of copper with a specific heat of 0.385 J goC is heated from 45.6 oC to 80.7 oC. What is…

A: Answer: The mass of the copper sample is 60.4 g.

Q: Simple Calorimetry. A piece of solid aluminum at 15.0°C is immersed in 12.3 g of nitrogen gas which…

A: Heat lost by hotter N2 gas is equal to heat absorbed by the cooler solid aluminium.

Q: An experiment is performed in the chemical lab, 405 J of heat is absorbed by a system and 285 J of…

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Q: A gas expands and does work on the surroundings equal to 1.95 L atm. At the same time, it releases…

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

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Q: An ideal gas in a cylinder fitted with a piston expands at constant temperature from a pressure of 9…

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

Q: A gas is compressed from an initial volume of 5.70 L to a final volume of 1.24 L by an external…

A: Given:Initial Volume V1 = 5.70 L. Final Volume V2= 1.24 LPressure = 1.0 atm.Heat = -125 J (energy is…

Q: A system gains 20.4 J of internal energy while doing 30.0 J of work. Does heat enter or escape from…

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