Showing 231 to 240 of 759 Questions
  • One mole of argon is expanded polytropically, the polytropic constant being n----1.50. In the process, the gas temperature changes by ΔT = – 26 K. Find: (a) The amount of heat obtained by the gas; (b) The work performed by the gas.

    0
    99
  • n ideal gas whose adiabatic exponent equals γ is expanded according to the law p = αV, where a is a constant. The initial volume of the gas is equal to Vo, as a result of expansion the volume in-creases B times. Find: (a) The increment of the internal energy of the gas; (b) The work performed by the gas; (c) The molar heat

    0
    99
  • An ideal gas whose adiabatic exponent equals γ is expanded so that the amount of heat transferred to the gas is equal to the decrease of its internal energy. Find: (a) The molar heat capacity of the gas in this process; (b) The equation of the process in the variables T, V; (c) The work performed by one mole of the gas when its

    1
    128
  • One mole of an ideal gas whose adiabatic exponent equals γ undergoes a process in which the gas pressure relates to the temperature as p = aTa, where a and a are constants. Find: (a) The work performed by the gas if its temperature gets an increment ΔT; (b) The molar heat capacity of the gas in this process; at what value of

    0
    126
  • An ideal gas with the adiabatic exponent γ undergoes a process in which its internal energy relates to the volume as U = aVα, where a and a are constants. Find: (a) The work performed by the gas and the amount of heat to be transferred to this gas to increase its internal energy by AU; (b) The molar heat capacity of the gas

    0
    117
  • An ideal gas has a molar heat capacity Cv at constant volume. Find the molar heat capacity of this gas as a function of its volume V, if the gas undergoes the following process: (a) T = Toe αv ; (b) p = poeαv , Where To, P0, and a are constants.

    0
    106
  • One mole of an ideal gas whose adiabatic exponent equals γ undergoes a process p = P0 + a/V, where P0 and a are positive constants. Find: (a) Heat capacity of the gas as a function of its volume; (b) The internal energy increment of the gas, the work performed by it, and the amount of heat transferred to the gas, if its volume in

    0
    128
  • One mole of an ideal gas with heat capacity at constant pressure Cp undergoes the process T = To + aV, where To and a are constants. Find: (a) Heat capacity of the gas as a function of its volume; (b) The amount of heat transferred to the gas, if its volume in-creased from V1 to V2.

    0
    100
  • For the case of an ideal gas find the equation of the process (in the variables T, V) in which the molar heat capacity varies as: (a) C = Cv + aT; (b) C = Cv + βV; (e) C = Cv + ap, Where a, β, and a are constants.

    0
    114
  • An ideal gas has an adiabatic exponent y. In some process its molar heat capacity varies as C = a/T, where a is a constant. Find: (a) The work performed by one mole of the gas during its heating from the temperature To the temperature η times higher; (b) The equation of the process in the variables iv, V.

    0
    93