Engineering Thermodynamics
The behavior of a perfect gas, undergoing any change in the variables which control physical properties, is governed by

All of the listed here
Gay-Lussac law
Boyle's law
Charles' law

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Engineering Thermodynamics
According to Dalton's law, the total pressure of the mixture of gases is equal to

Sum of the partial pressures of all divided by average molecular weight
Sum of the partial pressures of all
Average of the partial pressures of all
Greater of the partial pressures of all

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