Chapter 10 intermolecular forces 3 solids, liquids, and gases 4 the physical states of matter solids have strong intermolecular forces. On this page you can read or download intermolecular forces grade 11 pdf in pdf format. Is the average kinetic energy of molecules greater or lesser than the energy of intermolecular forces of attraction in a solids, b liquids, and c gases. Chapter 11 intermolecular forces and liquids and solids key. The attractive forces are stronger for ionic substances than for molecular ones the intermolecular forces of the remaining substances depend on molecular weight, polarity, and hydrogen bonding. Mar 11, 2020 solids have stronger intermolecular forces, making them rigid, with essentially no tendency to flow. Molecules can have any mix of these three kinds of intermolecular forces, but all substances at least have london dispersion forces. We will consider the following types of intermolecular forces. Intermolecular forces, liquids, and solids lecture outline 11. In this chapter you will learn about the types of forces that act between individual molecules that hold them close together as in a solid or a.
Know the equations that involve these concepts and be able to use them in calculations. Intermolecular forces imf can be qualitatively ranked using coulombs law. Sep 23, 2019 sep 23, 2019 intermolecular forces chemistry notes, liquids and solids. Intermolecular forces of attraction ch 12 was all about gases particles that dont attract each other. They are the only intermolecular force present for nonpolar molecules or atoms, however. Chapter 11 intermolecular forces, liquids and solids. If you continue browsing the site, you agree to the use of cookies on this website. Learn the differences between the solid, liquid, and gas state, and how the polarity of molecules influences those states. We will learn about how intermolecular forces make this possible.
We first explained atoms, and how to build up the periodic table from quantum numbers. Microsoft powerpoint chapter 11 intermolecular forces, liquids and solids. Intramolecular forces hold atoms together in a molecule. These are attractive interactions between the building blocks. Liquids phase of matter in which particles vibrate about moving.
Ap chemistry amhs page 1 of 2 intermolecular forces types of solids intermolecular forces between particles 1. We consider ch and cc bonds to be nonpolar bonds, therefore we dont draw in. Chapter 11 intermolecular forces and liquids and solids. Brosius 1 rank these hydrocarbons, pentadecane, pentane, octadecane c 15 h 32, c 5 h 12, c 18 h 38 in terms of increasing. What type of crystal will each of the following substances form in its solid state. Liquids and intermolecular forces topics changes of state energy changes attractive forces dipoledipole, induced dipole, hydrogen bonding liquid state liquidvapor equilibrium equilibrium, vapor pressure, boiling pt. Sep 23, 2019 intermolecular forces chemistry notes, liquids and solids. Intermolecular vs intramolecular 41 kj to vaporize 1 mole of water inter 930 kj to break all oh bonds in 1 mole of water intra generally, intermolecular forces are much weaker than. Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. Because in the solid and liquid states particles are closer together, we refer to them as condensed phases. Chapter 11 lecture for ap chemistry on intermolecular forces, liquids, and solids. States of matter and intermolecular forces khan academy.
They are the forces we break when we melt or boil a substance. How are boiling points affected by intermolecular forces. Never confuse hydrogen bonding with a bonded hydrogen. May 14, 2015 chapter 11 focuses on the physical properties of liquids and solids and the phase changes that occur between the three states of matter.
Choose the one alternative that best completes the statement or answers the question. London dispersion, dipoledipole, and hydrogen bonding. Liquids, solids, and intermolecular forces flashcards. Define, compare, and contrast the terms specific heat, heat of fusion, and heat of vaporization. Chapter 11 liquids, solids, and intermolecular forces. They could be ions, could be molecules, neutral molecules. Dec 12, 2015 on this page you can read or download intermolecular forces grade 11 pdf in pdf format. The physical properties of molecular liquids and solids are due largely to intermolecular forces, the forces that exist between the molecules. Please practice handwashing and social distancing, and check out our resources for adapting to these times. Phase changes intermolecular interactions vapor pressure curves. The higher the melting point of a substance, the stronger the forces of attraction 4. Worksheet 15 intermolecular forces intramolecular forces.
Intermolecular forces, liquids, and solids slide 2 92 intermolecular forces are the piece we need to add to the puzzle to explain the world around us. Balancing chemical equations practice problems equation balancing will make sense. Znno32 is a gas, co2 is a liquid, and c5h11nh2 is a solid b. Intermolecular forces are the attractive forces holding particles together in the condensed liquid and solid phases of matter result from coulombic attractions dependent on the magnitude of the charge. Intermolecular forces, liquids and solids chapter 11 chemtour videos from w. List the intermolecular forces existing in the liquid state for each of the compounds. Valence electrons form mobile sea of electrons which comprise the metallic bond. Solids, liquids, and gases chapter 5 educational goals 1. Therefore, stronger intermolecular forces result in higher boiling points. Intermolecular forces, liquids and solids flashcards quizlet. Chapter 10 liquids, solids, and intermolecular forces.
Nivaldo tro roy kennedy massachusetts bay community college wellesley hills, ma tro, chemistry. The forces that hold atoms together, such as covalent bonds, exist within molecules. Practice your understanding of properties of solids and liquids with the help of our quiz. Chem 116 pogil worksheet week 3 solutions intermolecular. As the temperature increases, those substances with very weak intermolecular forces become gases directly in a process called sublimation, which will be discussed in section 10. They hold molecules together to make liquids or solids. Effect of intermolecular attraction on evaporation and condensation weaker attractive forces less energy needed to vaporize weaker attractive forces more energy will need to be removed from the vapor molecules before condensation weak attractive forces the faster the evaporation liquids that evaporate easily are said to be volatile. The vshaped so 2 molecule has a large dipole moment due to the polar so bonds, so dipoledipole interactions will be most important the hf bond is highly polar, and the fluorine atom has three lone pairs of electrons to act as hydrogen bond acceptors. Intermolecular forces liquids, solids, and solutions worksheet. Stronger intermolecular forces between molecules make it more difficult for those molecules to be pulled apart. Particles are close together and may vibrate in place 3. Waters adhesive forces are greater than its cohesive forces, thus the increase in surface area concave meniscus b. Liquids solids imfs intermolecular forces imfs attractions between molecules not within molecules not true bonds weaker attractions represented by dashed lines physical properties melting points, boiling points, vapor pressures, etc. Please practice handwashing and social distancing, and.
Intermolecular forces are weaker attractions that hold molecules or noble gas particles close together when they are in a liquid or solid form. List the intermolecular forces in order of weakest to strongest. Intermolecular forces of attraction ch is about liquids and solids where the attraction between particles allows the formation of solids and liquids. From the molecular shapes worksheet, which of the compounds are polar and which are non polar. Intermolecular forces chemistry notes, liquids and solids. At low temperatures, most substances are solids only helium is predicted to be a liquid at absolute zero. In order to deduce dipole moments of molecule is to know the 3d structure of the molecule. Properties and types of solids crystal structure of metals.
Then we explained how atoms combine to form molecules. Intermolecular forces of attraction ch is about liquids and solids where the. Liquids and intermolecular forces topics changes of state energy changes attractive forces dipoledipole, induced dipole, hydrogen bonding. Attractive forces dipoledipole, induced dipole, hydrogen bonding. Liquids, solids, and intermolecular forces 2008, prentice hall chemistry. Which type of intermolecular attractive force operates between a. Although the mix of types and strengths of intermolecular forces determines the state of a substance under certain conditions, in general most substances can be found in any of the three states under appropriate conditions of temperature and. Slide 29 6 8 intermolecular forces are strongest in a solids b liquids c gases.
Forces and the physical properties of liquids and solids insert picture from. A molecular approach 2 comparisons of the states of matter the solid and liquid states have a much higher density than the gas state therefore the molar volume of the solid and liquid. Liquids, solids, and intermolecular forces chemistry. Polar substances, all things being equal, will usually have stronger intermolecular forces dipoledipole interactions than nonpolar substances which are held together by strength of london dispersion forces. High intermolecular forces greater high surface tension b. Draw in polar bonds with arrows to show the bond dipole moments and molecular dipole moment of dimethyl ether ch 3 o ch 3, tetrafluoromethane cf 4 and hcoch 2 cf 3. Solidvapor equilibrium vapor pressure of solid phase diagrams changes of state. Determine the kinds of intermolecular forces that are present in each of the following elements or compounds. Have you ever wondered how some insects are able to skate on the surface of water. Chapter 11 liquids and intermolecular forces this video explains the concepts from your packet on chapter 11 liquids and intermolecular forces, which can be found here. Intermolecular forces attractive forces between molecules weaker than forces within molecules between atoms intramolecular stronger in solids and liquids than in gases responsible for nonideal properties of gases dipole moment a vector showing how an electron cloud is moved from one part of a molecule to another part. Physical properties of substances are understood in terms of kineticmolecular theory. Adhesive forces between polar liquid molecules and polar bonds in the material making up the container a.
Nov 28, 2009 chapter 11 lecture for ap chemistry on intermolecular forces, liquids, and solids. Polar substances, all things being equal, will usually have stronger intermolecular forces dipoledipole interactions than nonpolar substances which are held together. Jul 03, 2016 on this page you can read or download section 3 liquids and solids worksheet answers in pdf format. Solids are incompressible and have a definite shape and volume. Chemactivities assigned and discuss all answers with my pod. Start studying chapter 11 intermolecular forces and liquids and solids key terms and equations chang, goldsby. H bond bonded h o hydrogen bondingthe force of attraction between the hydrogen atom of one molecule and an. Molecular mass should be irrelevant here, as far as i know. Our professional instructors outline intermolecular forces, solids and liquids in detail in this chapter. Intermolecular forces and liquids and solids ykinetic molecular theory of liquids and solids 12. Chem 116 pogil worksheet week 3 solutions intermolecular forces, liquids, solids, and solutions key questions 1. Gas particles have broken away from the intermolecular forces that hold liquids and solids together. Start studying liquids, solids, and intermolecular forces. Astrong enough to hold molecules relatively close together but notstrong enough to keep molecules from.
We will also cover liquids, solids, mixtures, and phase changes. Chapter 11 intermolecular forces, liquids, and solids. Hydrogen bonding a i, ii, and iii b i and ii c i only d ii only 7 problems. Intermolecular forces liquids, solids, and solutions. Intermolecular forces list the substances bacl 2, h 2, co, hf, and ne in order of increasing boiling points. Strength of dispersion forces depends on the polarizability of the atom or molecule.
Learn vocabulary, terms, and more with flashcards, games, and other study tools. Ap ws imfs solids key conejo valley unified school district. If you dont see any interesting for you, use our search form on bottom v. Chapter 12 intermolecular first page of chapter forces and. Worksheet 15 intermolecular forces chemical bonds are intramolecular forces which hold atoms together as molecules. The higher the boiling point of a substance, the stronger the intermolecular forces. Solids, liquids, and gases a molecular comparison the state of a substance depends on the balance between the kinetic energy of the individual particles molecules or atoms and the intermolecular forces. On this page you can read or download section 3 liquids and solids worksheet answers in pdf format. Diffusion in liquids much slower than in air because a lot more collision occurs.
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