{[ promptMessage ]}

Bookmark it

{[ promptMessage ]}

Chapter 5 Gaseous State (Lecture 7-10) (Part 2)done

Chapter 5 Gaseous State (Lecture 7-10) (Part 2)done -...

Info iconThis preview shows pages 1–8. Sign up to view the full content.

View Full Document Right Arrow Icon
Tutorial Question: One of the important reactions in the nitrogen fertilizer producing process is the oxidizing of ammonia. 4NH 3 (g) + 5O 2 (g) 4NO(g) + 6H 2 O(g) If 3.00-L of ammonia at 802 ° C and 1.30 atm react completely with oxygen, what volume (in litres) of water vapour will be produced at 125 ° C and 1.00 atm? What volume of oxygen (in dm 3 ) measured at 25 ° C and 90.7 kPa that will produce 100 dm 3 of NO at 500 ° C and 100 kPa?
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full Document Right Arrow Icon
5.5 Gas Mixture and Partial Pressures John Dalton (1801): In a mixture of unreactive gases in a flask The pressure exerted by a gas is called Partial pressure of the gas Gas A : n A mol , P A Gas A : n A mol , P A Gas B : n B mol , P B
Background image of page 2
5.5 Gas Mixtures; Law of Partial Pressures V and T are constant P 1 P 2 P total = P 1 + P 2
Background image of page 3

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full Document Right Arrow Icon
In a flask containing a mixture of gases Gas A, gas B, gas C Each individual partial pressure(P A , P B , P C ) If all follow the ideal gas law P A V = n A RT etc. n A is the number of moles of gas A Gas A : n A mol , P A Gas B : n B mol , P B Gas C : n C mol , P C P = P A + P B + P C
Background image of page 4
Consider a case in which two gases, A and B , are in a container of volume V. P A = n A RT V P B = n B RT V n A is the number of moles of A n B is the number of moles of B P T = P A + P B X A = n A n A + n B X B = n B n A + n B P A = X A P T P B = X B P T P i = X i P T
Background image of page 5

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full Document Right Arrow Icon
5.5.1 Dalton’s Law of Partial Pressures (Important) Dalton’s law of partial pressures: The sum of the partial pressures of all the different gases in a mixture is equal to total pressure of the mixture P = P A + P B + P C + ….. P is the total pressure of the mixture P A , P B , P C , … partial pressures of component gases
Background image of page 6
5.5.2 Mole Fraction of a Component Gas Mole fraction of a component gas in a mixture Equals partial pressure
Background image of page 7

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full Document Right Arrow Icon
Image of page 8
This is the end of the preview. Sign up to access the rest of the document.

{[ snackBarMessage ]}