The Combined Gas Law relates the pressure, volume and amount of a gas from one s

Question

The Combined Gas Law relates the pressure, volume and amount of a gas from one state to another, keeping the temperature constant True False Alcohol has density = 0.50 g/ml. Which barometer will be taller, one using alcohol or one using water? A. both will be the same height B. alcohol C. water On a phase diagram, the solid/liquid line is called the fusion curve True False In a mixture of Helium, Argon, and Nitrogen gases, the partial pressure of Helium was found to be 0.44 atm, and Argon 450 mmHg and the total pressure of the mixture 2.00 atm. What is the partial pressure of the Nitrogen gas? A. 736 mmHg B. 760 mmHg C. 500 mmHg Thank you

Explanation / Answer

Q1.The Combined Gas Law relates the pressure, volume and amount of a gas from one state to another, keeping the temperature constant (True False)

This must be false; since the complete combined gas law relates all of them. P, V, T and n

P = pressure, V = volume, T = temperature and n = amount of substance or moles of gas

All these were accomplished by the next laws:

Boyle Law - relates P and V; while T and n are constant

Avogrados Law - Relates n and V; while T and P are constant

Gay Lussac Law - Relates P and T; while n and V are constant

Charles Law - Relates V adn T; while n and P are constant

Therefore,

the combined law (combination of all the laws above) combine all, while all may vary. The statement is false due to the assumption of Temperature being constant

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