Engineering Thermodynamics
Which of the following processes are thermodynamically reversible?

Isothermal and adiabatic
Constant volume and constant pressure
Throttling
Free expansion

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Engineering Thermodynamics
The universal gas constant (or molar constant) of a gas is the product of

Molecular mass of the gas and the specific heat at constant volume
Molecular mass of the gas and the specific heat at constant pressure
Atomic mass of the gas and the gas constant
Molecular mass of the gas and the gas constant

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