Showing 231 to 240 of 759 Questions

One mole of argon is expanded polytropically, the polytropic constant being n1.50. 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.
097 
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 increases B times. Find: (a) The increment of the internal energy of the gas; (b) The work performed by the gas; (c) The molar heat
097 
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
1125 
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
0123 
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
0114 
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.
0103 
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
0121 
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 increased from V1 to V2.
096 
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.
0111 
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.
091