True or False?
The adiabatic work of 2 moles of ethane, initially at 300 K, does not exceed 20 kJ if its volume decreases from 0.8 to 0.08 L.
True or False? The adiabatic work of 2 moles of ethane, initially at 300 K, does...
2. 0.5 moles of an ideal gas is initially at T, = 300 K in a volume Va=0.8 L. This gas has a y value of 9/7. It is taken around the cycle as shown: (1) expanded isothermally to volume Vo = 1.6 L, from a to b. (2) expanded adiabatically to T. = 275 K, from b to c. 0.8L (3) compressed at constant pressure to T, = 235.74 K, from c to d. (4) compressed adiabatically back to...
the work of reversible expansion of 3 moles of O2 from 0.3 to 3 L does not exceed 10 kJ if the initial tempurature is 300 K T/F?
A piston-cylinder assembly initially contains 0.8 kg of air at 100 kPa and 300 K. It is then compressed in a polytropic process PV3 = C to half the original volume. Assuming the ideal gas model for air and specific heat ratio is constant, k=1.4, determine (a) the final temperature, (b) work and heat transfer, each in kJ. R= 0.287 kJ/kg K. W, 82
50,000 joules of work are done to 2 moles of ideal gas during an adiabatic process of resulting the gas expanding to 5 times its original volume. Determine the change of internal energy of the gas labeling it as an increase or decrease R = 8.31 j/mol K. C_v = 1.66
Two moles of an ideal gas initially has a temperature of 400 K and a volume of 40 Liters. The gas undergoes a free adiabatic expansion to twice its initial volume. a.) What is the entropy change of the gas? b.) What is the entropy change of the universe? explain please
Two moles of an ideal monoatomic gas is initially at 300 K and 1 bar of pressure inside a cylinder with a frictionless piston. a) Calculatethekineticenergyforthissystemat300K. b) Calculate the heat capacity at constant volume. c) How much heat is required to increase the temperature by 10°C. d) What is the final pressure after heating, if there is no change in volume.
Five moles of an ideal gas expands isothermally at 300 K from an initial volume of 100 L to a final volume of 500 L. Calculate: (a) the maximum work the gas can deliver, (b) the heat accompanying the process, (c) AS for the gas.
7. A 0.2 moles of diatomic gas are contained in a cylinder at 300 K and atmospheric pressure 1*10^5 Pa. The gas receives 1000 J of heat in an ideal adiabatic transformation. Calculate the change of internal energy, the work done on the gas and the final volume and temperature of the gas.
Problem 7.4 One mole of Ar initially at 306 K undergoes an adiabatic expansion against a pressure Pexternal = 0 from a volume of 8.5 L to a volume of 82.0 L. Part A Calculate the final temperature using the ideal gas equation of state. Assume CV,m = 3R/2. Express your answer with the appropriate units. Part B Calculate the final temperature using the van der Waals equation of state. Assume CV,m = 3R/2. Express your answer with the appropriate...
Five moles of carbon dioxide (CO2), initially 3 atm and 300 K, is trapped inside a piston-cylinder assembly. It is then allowed to expand against atmospheric pressure adiabatically. The constant- pressure heat capacity of CO2 is given by the following equation: p = 5.4574 (1.045 × 10-3)(T/K)-(1.157 × 105)(T/K)-2 (a) If we assume that the expansion is infinitely slow and quasi-static, calculate the final temperature and total volume of the carbon dioxide gas when it reaches 1 atm. Also calculate...