During an adiabatic process of compression of an ideal gas, the volume of the gas changes from 80.0 L to 40.0 L and its pressure changes from 1.50*10^5 Pa to 4.76*10^5 Pa. (a) Is this gas monatomic or diatomic? Explain your answer.
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- An ideal gas initially at 340 K undergoes an isobaric expansion at 2.50 kPa. The volume increases from 1.00 m3 to 3.00 m3 and 12.6 kJ is transferred to the gas by heat. (a) What is the change in internal energy of the gas? kJ (b) What is the final temperature of the gas? KThe heat engine shown in the figure uses 2.0 mol of a monatomic gas as the working substance. (Figure 1) Figure p (kPa) 600 400 200 0 0 0.025 2 3 0.050 ▼ Determine AEth, Ws, and Q for 3→1. Enter your answers in joules and separated by commas. ► View Available Hint(s) AEth, Ws, Q = Submit Part E η = V What is the engine's thermal efficiency? Express your answer as a percentage. ► View Available Hint(s) VG ΑΣΦ Submit ΑΣΦ ? % ? JThe PV diagram shows the compression of 40.9 moles of an ideal monoatomic gas from state A to state B. Calculate Q, the heat added to the gas in the process A to B. Data: PA= 1.90E+5 N/m2 VA= 1.83E+0 m3 PB= 1.01E+5 N/m2 VB= 8.90E-1 m3›44
- A sample of n = 2.00 moles of monoatomic ideal gas expands adiabatically, the work done on the gas is W = -5.00 x 103 J. The initial temperature and pressure of the gas are Ti = 600 K and Pi = 4.05 x 105 Pa. Calculate: a) the final temperature of the gas; b) the final pressure of the gas. R = 8.314 J/mol KA fixed amount of monotonic ideal gas starts at 6.0 m3 and 6.0 × 105 Pa and exactly 0 °C when it is expanded at constant pressure to 8.0 m3. ii) What was the change in internal energy of the gas for this expansion? a) – 4.0 MJ b) – 2.0 MJ c) 0.0 MJ d) + 2.0 MJ e) + 4.0 MJFive moles of gas initially at a pressure of 2.00 atm and a volume of 0.300 L has internal energy equal to 91.0 J. In its final state, the gas is at a pressure of 1.50 atm and a volume of 0.800 L, and its internal energy equals 182 J. P (atm) 2.00 B A 1.50 F V (liters) 0.300 0.800 (a) For the paths IAF, IBF, and IF in the figure above, calculate the work done on the gas. W IAF = W = IBF W = IF J (b) For the paths IAF, IBF, and IF in the figure above, calculate the net energy transferred to the gas by heat in the process. QIAF = QIBF QIF = J J J
- An ideal diatomic gas undergoes an adiabatic compression during which time its volume changes from VA = 1300 cm3 to VB = 390 cm3. If its initial temperature is TA = 74.0°C, what is the final temperature TB of the gas?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?