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![o Thisis irreversible expansion, =-Pex 8.314 J w=- Spexdv fas Pex = emstant = 0.15 atm] =-Pex Sdv (V2-V;) = -0.15atmx(64-46)](http://img.homeworklib.com/questions/3e975670-9a6e-11eb-8e04-5591a341b46c.png?x-oss-process=image/resize,w_560)
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1) calcuate the work associated with the expansion of a gas from 46L to 64 L...
Calculate the work associated with the expansion of a gas from 152.0 L to 189.0 L...
Calculate the work associated with the expansion of a gas from 152.0 L to 189.0 L at a constant pressure of 14.0 atm -26.2 kJ -52.5 kJ 17.3 kJ 26.2 kJ 52.5 kJ Oe
If a gas in a piston under goes expansion from 3.2 L to 4.1 L against...
If a gas in a piston under goes expansion from 3.2 L to 4.1 L against an external pressure of 1.2 atm and absorbs 1.11 kJ of heat, what is the change in internal energy? 101.3 J = 1 L atm
12. 1 mole of an ideal gas undergoes an isothermal expansion from V1 = 1.4L followed...
12. 1 mole of an ideal gas undergoes an isothermal expansion from V1 = 1.4L followed by isobaric compression, p = cst.if P1 = 4.4atm, p2 = 1.7atm → ?- m calculate the work done by gas during the expansion. Express work in J = N·m! • For isothermal processes, AT = 0 T = cst → w=faw=fr&v=/MRT AV 594 Show your work like: `x-int_0^5 v(t)dt rarr x-int_0^5(-4*t)dt=-50 m 13. 1 mole of an ideal gas undergoes an isothermal expansion...
One mole of an ideal monoatomic gas is initially at 300 K and 5 bar of...
One mole of an ideal monoatomic gas is initially at 300 K and 5 bar of pressure inside a cylinder with a frictionless piston. a) The cylinder is kept in a heat bath and the gas is allowed to expand under 1 bar of external pressure. Calculate the work and heat associated with this process. b) Calculate the change in enthalpy for isothermal expansion at constant pressure. c) Alternatively, the gas is allowed to expand isothermally under near-equilibrium conditions. Calculate...
One mole of methane gas (CH4) is heated isobarically at a pressure of 1 atm from...
One mole of methane gas (CH4) is heated isobarically at a pressure of 1 atm from 82.2 ° C to 211.9 ° C in a cylindrical piston device with condensed steam from saturated vapor to fully condensed at 250 ° C. a. If methane is considered an ideal gas, calculate ΔU, ΔH, ΔS, ΔG (in Joule) b. Calculate work (W) and heat involved (Q), (in Joule). c. Calculate the change in environment, and the total entropy generated by this process...
Consider a reversible adiabatic expansion of 1.00 mol of an ideal gas, starting from 1.90 L...
Consider a reversible adiabatic expansion of 1.00 mol of an ideal gas, starting from 1.90 L and 415 K , if 2.0 kJ of work is done by the expansion. The molar heat capacity at constant volume of the gas is 2.5R. R = 8.314 JK−1mol−1. Determine the final temperature of the gas in the process. Determine the final volume of the gas in the process. Determine the final pressure of the gas in the process.
QUESTION 2 What is W in kJ for the expansion of a gas from 15. L...
QUESTION 2 What is W in kJ for the expansion of a gas from 15. L to 35. L against a constant external pressure of 1.5 atm? (1 L.atm = 101 J) w=-PAV a. -5.3 k) b.c.5.3 k) C. +3.0 kJ d. -3.0 k) QUESTION 3 When 2.50 g of Cao is added to 100.0 g of water in a calorimeter, the temperature rises from 25.1°C to 32.5°C. Calculate AH (in kilojoules) for the reaction. Specific heat of water is...
Calculate AU of a gas for a process in which the gas absorbs 29 J of...
Calculate AU of a gas for a process in which the gas absorbs 29 J of heat and does 31 J of work by expanding A. 21 B. 60) C. -60J D. -2J Which of the following statements is not true for an exothermic reaction? A. Heat passes from the reaction system to the surroundings. B. The products have a higher heat content than the reactants. C. The temperature of the reaction system increases D. The enthalpy change for the...
A gas is compressed at a constant pressure of 0.800 atm from 6.00 L to 2.00...
A gas is compressed at a constant pressure of 0.800 atm from 6.00 L to 2.00 L. In the process, 370 J of energy leaves the gas by heat. (a) What is the work done on the gas? J (b) What is the change in its internal energy? J
A lead block of mass 7.0 kg is originally at a temperature of 15°C and 1 atm. It is then heated to a temperature of 64°...
A lead block of mass 7.0 kg is originally at a temperature of 15°C and 1 atm. It is then heated to a temperature of 64°C without any change in pressure. The specific heat of lead is 128 J/(kg - °C), its density is 1.13 x 104 kg/m3, and the coefficient of linear expansion is 29 x 10 -6/oC (a) Determine the work done by the lead block (b) How much heat energy is transferred during this process? J (c)...
Calculate the work associated with the expansion of a gas from 152.0 L to 189.0 L at a constant pressure of 14.0 atm -26.2 kJ -52.5 kJ 17.3 kJ 26.2 kJ 52.5 kJ Oe
If a gas in a piston under goes expansion from 3.2 L to 4.1 L against an external pressure of 1.2 atm and absorbs 1.11 kJ of heat, what is the change in internal energy? 101.3 J = 1 L atm
12. 1 mole of an ideal gas undergoes an isothermal expansion from V1 = 1.4L followed by isobaric compression, p = cst.if P1 = 4.4atm, p2 = 1.7atm → ?- m calculate the work done by gas during the expansion. Express work in J = N·m! • For isothermal processes, AT = 0 T = cst → w=faw=fr&v=/MRT AV 594 Show your work like: `x-int_0^5 v(t)dt rarr x-int_0^5(-4*t)dt=-50 m 13. 1 mole of an ideal gas undergoes an isothermal expansion...
QUESTION 2 What is W in kJ for the expansion of a gas from 15. L to 35. L against a constant external pressure of 1.5 atm? (1 L.atm = 101 J) w=-PAV a. -5.3 k) b.c.5.3 k) C. +3.0 kJ d. -3.0 k) QUESTION 3 When 2.50 g of Cao is added to 100.0 g of water in a calorimeter, the temperature rises from 25.1°C to 32.5°C. Calculate AH (in kilojoules) for the reaction. Specific heat of water is...
Calculate AU of a gas for a process in which the gas absorbs 29 J of heat and does 31 J of work by expanding A. 21 B. 60) C. -60J D. -2J Which of the following statements is not true for an exothermic reaction? A. Heat passes from the reaction system to the surroundings. B. The products have a higher heat content than the reactants. C. The temperature of the reaction system increases D. The enthalpy change for the...
A lead block of mass 7.0 kg is originally at a temperature of 15°C and 1 atm. It is then heated to a temperature of 64°C without any change in pressure. The specific heat of lead is 128 J/(kg - °C), its density is 1.13 x 104 kg/m3, and the coefficient of linear expansion is 29 x 10 -6/oC (a) Determine the work done by the lead block (b) How much heat energy is transferred during this process? J (c)...
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