Ap Chem: Unit 5: Gases

Pressure ,[object Object],[object Object]

Units of Pressure ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Practice Problems ,[object Object]

The Gas Laws of Boyle, Charles and Avogadro

Boyles Law ,[object Object],[object Object],[object Object]

Boyles Law ,[object Object],[object Object],[object Object],[object Object]

Boyles Law ,[object Object],[object Object]

Charles Law ,[object Object],[object Object],[object Object],[object Object]

Avogadro ’s Law ,[object Object],[object Object],[object Object]

Ideal Gas Law ,[object Object],[object Object],[object Object],[object Object]

Ideal Gas Law ,[object Object],[object Object],[object Object]

Example Problem ,[object Object]

Example Problem ,[object Object],[object Object],[object Object],PV=nRT; R = .08206 L atm/K mol .57 mol

Example Problem 2 ,[object Object]

Example Problem 2 ,[object Object],[object Object],[object Object],PV=nRT; but nRT are constant: PV=PV 4.4 atm

Example Problem 3 ,[object Object],[object Object],[object Object],PV=nRT but n, R and P are constant: V 1 /T 1 = V 2 /T 2 4.9 L

Example Problem 4 ,[object Object],[object Object],[object Object],PV = nRT; nR are constant: P 1 V 1 /T 1 = P 2 V 2 /T 2 3.1 L

Example Problem 5 ,[object Object],[object Object],[object Object],-3 L PV=nRT; R = .08206 L atm/K mol

Molar Volume ,[object Object],[object Object],[object Object],[object Object]

Gas Stoichiometry ,[object Object],[object Object],[object Object],[object Object]

Gas Stoichiometry Example ,[object Object],7.81 x 10 -2 mol N 2

Gas Stoichiometry Example 2 ,[object Object],[object Object]

Gas Stoichiometry Example 2 ,[object Object],[object Object],[object Object],[object Object],34.1 L CO 2 at STP

Gas Stoichiometry Example 3 ,[object Object]

Gas Stoichiometry Example 3 ,[object Object],[object Object],[object Object],[object Object]

Gas Stoichiometry Example 3 ,[object Object],[object Object],[object Object],[object Object],2.47 L

Molar Mass of a Gas ,[object Object],[object Object],[object Object],[object Object],[object Object]

Gas Density/Molar Mass Example ,[object Object],32.0 g/mol

Dalton ’s Law of Partial Pressures

John Dalton ,[object Object],[object Object],[object Object]

John Dalton ,[object Object],[object Object],[object Object],[object Object]

Dalton ’s Law Example ,[object Object]

Mole Fraction ,[object Object],[object Object],[object Object]

Collecting Gas over Water ,[object Object]

Collecting Gas over Water Example ,[object Object]

Collecting Gas over Water Example ,[object Object],[object Object],[object Object],[object Object],2.59 x 10 -2 mol O 2 2.12 g KClO 3

The Kinetic Molecular Theory of Gases

Kinetic Molecular Theory KMT ,[object Object]

KMT and Boyle ’s Law ,[object Object]

KMT and Charles Law ,[object Object]

KMT and Advogadro ’s Law ,[object Object]

KMT and Dalton ’s Law ,[object Object]

The Meaning of Temperature ,[object Object],[object Object],[object Object]

The Meaning of Temperature ,[object Object]

Root Mean Square Velocity ,[object Object],[object Object],[object Object],[object Object],[object Object]

Root Mean Square Velocity Example ,[object Object],1.36 x 10 3 m/s

Mean Free Path ,[object Object],[object Object],[object Object]

Mean Free Path ,[object Object]

Diffusion ,[object Object],[object Object],[object Object]

Effusion ,[object Object],[object Object]

Effusion ,[object Object],[object Object],[object Object],[object Object]

Effusion Example ,[object Object],13.2 : 1

KMT Modifications ,[object Object]

KMT Modifications ,[object Object],[object Object],[object Object],[object Object]

KMT Modifications ,[object Object],[object Object],[object Object]

van der Waals Equation ,[object Object],[object Object]

van der Waals Equation ,[object Object]

Characteristics of Real Gases ,[object Object]

van der Waals ,[object Object]

Chemistry in the Atmosphere ,[object Object],[object Object]

Chemistry in the Atmosphere ,[object Object]

Reactions in the Atomsphere Ozone is very reactive and can react directly with other pollutants, or the ozone can absorb light and break up to form an energetically excited O 2 molecule (O 2 *) and excited O (O*).

Reactions in the Atomsphere The end product of this whole process is often referred to as photochemical smog, so called because light is required to initiate some of the reactions.

Reactions in the Atomsphere Sulfuric acid is very corrosive to both living things and building materials. Another result of this type of pollution is called acid rain.

Ap Chem: Unit 5: Gases

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Ap Chem: Unit 5: Gases