Engineering Thermodynamics
According to Avogadro's Hypothesis

The molecular weights of all the perfect gases occupy the same volume under same conditions of pressure and temperature
The sum of partial pressure of mixture of two gases is sum of the two
Product of the gas constant and the molecular weight of an ideal gas is constant
Gases have two values of specific heat

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Engineering Thermodynamics
According to Kelvin-Planck’s statement of second law of thermodynamics,

None of these
It is impossible to construct a device which operates in a cyclic process and produces no effect other than the transfer of heat from a cold body to a hot body
It is possible to construct an engine working on a cyclic process, whose sole purpose is to convert heat energy into work
It is impossible to construct an engine working on a cyclic process, whose sole purpose is to convert heat energy into work

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