Question

4-/6.25 points My Notes SerCP10 12.P.023. An ideal monatomic gas is contained in a vessel of constant volume 0.260 m3. The initial temperature and pressure of the gas are 300 K and 5.00 atm, respectively. The goal of this problem is to find the temperature and pressure of the gas after 22.0 kJ of thermal energy is supplied to the gas. (a) Use the ideal gas law and initial conditions to calculate the number of moles of gas in the vessel. mol (b) Find the specific heat of the gas. J/K (c) What is the work done by the gas during this process? thermodynamics to find the change in internal energy of the gas (d) Use the first law (e) Find the change in temperature of the gas. (f) Calculate the final temperature of the gas. (g) Use the ideal gas expression to find the final pressure of the gas atm Need Help? Read It

Answer 1

Y = 0.26 m T = 300k P = 5 atm = 5X105 Pa. en . Piy= nRT, isins, -na Pius 5X105X0-26 300 X8-31 - n=5201,46 nioles . c) since the volume q the vessel ŭ co ustant 0=ام - W =0 DOMAU+AW d) Auto part .AUS 22 kJ . ! b For a degree of freedom no no atomic gas iej m , Cu = fr. specific heat at constant volume 44=348-34 = 12:4650k E) Scanne ODE n cu dTM dt =s&a Camscan CamScannera n a 22x10 =33.87 k 52.146 x 12.465 Camlin

d T = Tz-T T- 300 = 33.87 I = 333.87K. Pi y =nRT, PU=nRT c constant volume - U=Uz P = Iz P2 = 1, Tz P Ti I GS Scanned with Po 556 atm SutcamScanner