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( Elliott 3 . 2 a ) One mole of methane gas, with a temperature - independent heat capacity of C p = 4 4
Elliott a One mole of methane gas, with a temperatureindependent heat
capacity of held within a pistoncylinder at an initial con
dition of and MPa. It undergoes two independent processes. The
following reversible steps are executed:
a Step : The gas is expanded isothermally to MPa, absorbing a quan
tity of heat
b The gas is cooled at constant volume to
c Step The gas is compressed isothermally to the initial volume.
d Step : The gas is heated to the initial state at constant volume requiring
heat transfer
Calculate and for each step and for the cycle. Also calculate the
thermal efficiency, that is the ratio of total work to heat furnished
a Step : The gas is expanded to MPa isothermally, absorbing a quan
tity of heat,
b Step : The gas is expanded adiabatically to MPa
c Step : The gas is compressed isothermally to MPa.
d Step : The gas is compressed adiabatically to the initial state.
Calculate and for each step and for the cycle. Also calculate the
thermal efficiency, that is the ratio of total work to heat furnished.
Thank you for your help. Sorry for such a long question
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