A piston-cylinder assembly contains 0.7 lb of air initially at a pressure of 30 lbf/in² and a temperature of 300°F. The air is heated at constant pressure until its volume is doubled. Assume the ideal gas model with constant specific heat ratio, k = 1.4. Determine the work and heat transfer, in Btu.
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- An ideal gas with γ = 1.40 occupies 8.26 L at 335 K and 79.2 kPa pressure. It's compressed adiabatically to one-third of its original volume, then cooled at constant volume back to 335 K. Finally, it's allowed to expand isothermally to its original volume. How much work is done on the gas?An ideal gas expands isothermally, performing 5.00×103 J of work in the process. Part A Calculate the change in internal energy of the gas. Part B Calculate the heat absorbed during this expansion.The picture shows a pV diagram for an ideal gas in which its pressure tripled from a to b when 804 J of heat was put into the gas. Work done on or by the gas between a and b= 0 W Delta U=804 J a) What is the temperature of the gas at point bb in terms of its temperature at a, Ta?
- A gas contained in a cylinder fitted with a frictionless piston expands against a constant external pressure of 1atm from a volume of 5L to a volume of 10L. In doing so, it absorbs 400 J of thermal energy from its surroundings. Determine the change in internal energy of system.A piston-cylinder assembly contains 0.7 lb of air initially at a pressure of 30 lbf/in² and a temperature of 100°F. The air is heated at constant pressure until its volume is doubled. Assume the ideal gas model with constant specific heat ratio, k = 1.4. Determine the work and heat transfer, in Btu.In an isochoric process, one mole of an ideal gas of rigid diatomic molecules at volume V is taken from an initial temperature T to a final temperature 4T. Using the convention that heat is positive when it is absorbed by the system, what is the heat transfer in terms of R and T?
- Please use the W=nRTln(V2/V1) equation.A sample of ideal gas in a thermally insulated container with a movable piston is initially in state A. The gas is taken from state A to state B by an adiabatic process. The dashed lines represent isotherms. If W is the work done on the gas, Q is the energy transferred to the gas by heating, and Delta U be the change in the internal energy of the gas during the process. a) is W greater than zero, zero, or less than zero? Explain briefly b) is Q greater than zero, zero, or less than zero? Explain briefly. c) is Delta U greater than zero, zero, or less than zero? Explain briefly.You would like to raise the temperature of an ideal gas from 295 K to 960 K in an adiabatic process. a)What compression ratio will do the job for a monatomic gas? b)What compression ratio will do the job for a diatomic gas?