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Gases

molar mass intermolecular forces boiling key

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Name ?________________________________________ ? ? ? ?Pd ?___ ? ? ? ? ?Date ?___________________ ? Molar ?Mass, ?Intermolecular ?Forces ?& ?Boiling ?Points ?Worksheet ?Answers Objectives ?? Calculate ?the ?molar ?masses ?of ?several ?compounds. ?? Investigate ?how ?molar ?mass ?and ?intermolecular ?forces ?affect ?a ?compound?s ?boiling ?point. ?? Determine ?the ?relative ?strength ?of ?the ?four ?intermolecular ?forces ?(IMFs) ? 1. Complete ?the ?table ?below ?by ?calculating ?the ?molar ?mass ?for ?each ?compound ?to ?the ?nearest ?tenth ?of ?a ?gram. ?

Chemistry Chp. 10 Review

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Holt Modern Chemistry Review CHAPTER 10: STATES OF MATTER The following pages contain the bulk (but not all) of the information for the chapter 10 test. Focus on this content, but make sure to review class notes, activities, handouts, questions, etc. If you study this document and NOTHING else, you should at least be able to PASS the test. ***** Test items will be recall, examples, and/or application of this content. ***** OUTCOMES Collaborate with peer(s) to understand chemistry content (C C) Communicate chemistry content to teacher and peer(s) (E C) 10.1-10.3: Differentiate between intermolecular forces of solid, liquids, and gases (F & PK) 10.4: Interpret phase diagrams and determine the triple point (T & R) 10.1: THE KINETIC-MOLECULAR THEORY OF MATTER Vocabulary

Chemistry Chp. 11 Review

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Holt Modern Chemistry Review CHAPTER 11: GASES The following pages contain the bulk (but not all) of the information for the chapter 11 test. Focus on this content, but make sure to review class notes, activities, handouts, questions, etc. If you study this document and NOTHING else, you should at least be able to PASS the test. ***** Test items will be recall, examples, and/or application of this content. ***** OUTCOMES Collaborate with peer(s) to understand chemistry content (C C) Communicate chemistry content to teacher and peer(s) (E C) 11.2: Identify gas laws: Boyle?s, Charles?, Ideal gas law (T & R) 11.3: Apply reaction stoichiometry to solve gas stoichiometry problems (F & PK) 11.1: GASES AND PRESSURE Chapter Highlights

Holt Earth Science Chapter 18, Section 18.1

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Environmental Science
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Water?s Changes of State Water exists in all 3 states of matter and is made of hydrogen and oxygen atoms. In all 3 stages of matter, these molecules are in constant motion (higher temperature: more movement). Difference between 3 states is the arrangement of the water molecules. A. Ice, Liquid Water, and Water Vapor Ice is made of water molecules held together by mutual molecular attractions.They form a tight, orderly network and don?t move - they vibrate in a fixed position. When ice is heated, the molecules vibrate more, and when the rate of movement increases enough, the bonds between the molecules break, resulting in melting In the liquid state, the molecules are still tightly packed but move fast enough to slide past each other (this causes liquid water to be fluid)

Holt Earth Science Chapter 17, Section 17.2

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Composition of the Atmosphere Air is a mixture of many discrete gases with their own physical properties in which different quantities of tiny solid/liquid particles are suspended. A. Major Components Composition of air varies depending on the time and place. If H20 Vapor, dust, and other variables were removed from the atmosphere, the makeup is very stable worldwide for an altitude of ~ 80 km. Ni and O2 make up 99% of clean, dry air. They are the most plentiful components, and important to life, but do not affect weather much. The remaining 1% is mostly Argon (0.93%) and other tiny quantities of many other gases. B. Carbon Dioxide (CO2)

Chapter 10

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Chapter 10 Gases James F. Kirby Quinnipiac University Hamden, CT Lecture Presentation ? 2015 Pearson Education, Inc. 1 Characteristics of Gases Physical properties of gases are all similar. Composed mainly of nonmetallic elements with simple formulas and low molar masses. Unlike liquids and solids, gases expand to fill their containers. are highly compressible. have extremely low densities. Two or more gases form a homogeneous mixture. Gases ? 2015 Pearson Education, Inc. 2 Properties Which Define the State of a Gas Sample Temperature Pressure Volume Amount of gas, usually expressed as number of moles Having already discussed three of these, we need to define pressure. Gases ? 2015 Pearson Education, Inc. Pressure is the amount of force applied to an area: Pressure

ideal gas law

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ideal gas law

IDEAL GAS LAW THE REALTIONSHIP PV=nRT describes THE BEHAVIOR OF AN IDEAL GAS. (PRESSURE*VOLUME=#MOLES*R VALUE*TEMPERATURE)
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Kinetic Molecular Theory

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Kinetic Molecular Theory All matter is composed of small particles. Particles of matter are in constant motion. Particle collisions are elastic. (No transfer of energy/loss of energy in a collision) Gases only: Volume of each gas particle is negligible compared to the volume of the sample. Particles of gases exert no forces of attractions on each other. (This is due to the great distance between molecules.) Ideas of KMT explain ideal gas behavior. Deviations of ideal gas behavior occur among real gases because real gases do have volume and IMF?s. Deviations are minimized under conditions of low pressure and high temperature (PLIGHT) Hydrogen and helium behave most like ideal gases due to their small size and very weak IMFs.
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