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- When a gas expands along AB (see below), it does 500 J of work and absorbs 250 J of heat. When the gas expands along AC, it does 700 J of work and absorbs 300 J of heat. (a) How much heat does the gas exchange along BC? (b) When the gas makes the transmission from C to A along CDA, 800 J of work are done on it from C to D. How much heat does it exchange along CDA?An ideal gas expands isothermally along AB and does 700 J of work (see below). (a) How much heat does the gas exchange along AB? (b) The gas then expands adiabatically along BC and does 400 J of work. When the gas returns to A along CA, it exhausts 100 J of heat to its surroundings. How much work is done on the gas along this path?(a) Calculate the work done by the gas along the closed path shown below. The curved section between R and S is semicircular. (b) If the process is carried out in the opposite direction, what is the work done by the gas?
- A car tile contains 0.0380 m3 of air at a pressure of 2.20105 Pa (about 32 psi). How much more internal energy does this gas have than the same volume has at zero gauge pressure (which is equivalent to normal atmospheric pressure)?When a gas expands isothermally, it does work. What is the source of energy needed to do this work?There is no change in the internal of an ideal gas undergoing an isothermal process since the internal energy depends only on the temperature. Is it therefore correct to say that an isothermal process is the same as an adiabatic process for an ideal gas? Explain your answer. `
- One mole of an ideal gas doubles its volume in a reversible isothermal expansion. (a) What is the change in entropy of the gas? (b) If 1500 J of heat are added in this process, what is the temperature of the gas?How much energy will be consumed by a 400W rice cooker operating for half an hour?a. 12 Jb. 24 kJc. 72 kJd. 720 kJ8. A metallic key ring is cooled down. Which of the following will happen to the insidediameter of the key ring?a. Shrinkb. Expandc. Stay at the same sized. None of the above9. What happens to the internal energy of a gas if increasing temperature under constantvolume?a. Decreaseb. Increasec. Do not changed. Cannot be determined4 di 8 Domanda 8 Completo Punteggio max.: 2 When an ideal gas is compressed isothermally Scegli un'alternativa: A. heat flows into the gas. OB. the internal energy of the gas does not change. OC. the work done on the gas is zero. OD. the temperature of the gas increases. Exam 17-12-2020: Revisione tentativo Domanda 9 O Cerca I https://elearning.unipd.it/dimed/mod/quiz/revien B
- A quantity of monatomic ideal gas expands adiabatically from a volume of 2.5 liters to 6.3 liters. If the initial pressure is P0, what is the final pressure? a. 2.5P0 b. 4.7P0 c. 5.0P0 d. 0.21P0 e. 0.43P0 (This part of a practice assignment. Not graded. I just need a detailed answer so I can study for my midterm. Thank you)Thermodynamic problem. Calculate the work exerted by a gas at constant pressure p=1 atm when the volume changes from 10lt to 20lt.An ideal gas with energy E = NKBT moves quasi-statically (i.e. reversibly) from state A to state C as shown in the figure. What is the change in energy of the gas (in J) as it moves from state B to state C? A BY 1 3 Volume (m³) -9 Pressure (Pa) 2.