Adiabatic frictionless processes in an ideal gas (a) A gas that obeys the ideal gas law may deviate appreciably from C p constant Hence rework Example 11 4 6 using a molar heat capacity expression of the form C p a bT cT 2 (b) Determine the final pressure, P2, required if methane (CH 4 ) is to be heated from 300K and 1 atm to 800K by adiabatic frictionless compression The recommended empirical constants for methane are a 2 322 cal g mole K, b 38 04 x 10 3 cal g mole K 2 and c 10 97 x 10 6 cal g mole K 3

Question: Adiabatic frictionless processes in an ideal gas (a) A gas that obeys the ideal gas law may deviate appreciably from C p = constant. Hence

Adiabatic frictionless processes in an ideal gas

(a) A gas that obeys the ideal gas law may deviate appreciably from C_p = constant. Hence rework Example 11.4-6 using a molar heat capacity expression of the form C_p = a + bT + cT²

(b) Determine the final pressure, P2, required if methane (CH₄) is to be heated from 300K and 1 atm to 800K by adiabatic frictionless compression. The recommended empirical constants for methane are: a = 2.322 cal/g-mole ∙ K, b = 38.04 x 10^-3 cal/g-mole ∙ K² and c = – 10-97 x 10^-6 cal/g-mole ∙ K³.

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