According to Gay-Lussac law, the absolute pressure of a given mass of a perfect gas varies __________ as its absolute temperature, when the volume remains constant.
Options
A. directly
B. indirectly
Correct Answer
directly
Thermodynamics problems
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1. For a perfect gas, according to Boyle's law (where p = Absolute pressure, v = Volume, and T = Absolute temperature)
3. According to Kelvin-Planck's statement of second law of thermodynamics,
Options
A. it is impossible to construct an engine working on a cyclic process, whose sole purpose is to convert heat energy into work
B. it is possible to construct an engine working on a cyclic process, whose sole purpose is to convert heat energy into work
C. 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