Chapater 4 - Marvellous Molecule
Chapater 4 - Marvellous Molecule A104
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This 4 page Class Notes was uploaded by KUMIKO Notetaker on Wednesday September 30, 2015. The Class Notes belongs to A104 at Republic Polytechnic taught by Lynette Liaw in Summer 2015. Since its upload, it has received 40 views. For similar materials see Biology in Applied Science at Republic Polytechnic.
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Date Created: 09/30/15
ghapter 4 Marvellous Molecule Intermolecular Interactions 1 Polar Polar Interactions 2 Nonpolar Nonpolar Interactions 3 Hydrogen Bonding A special type of polar polar intermolecular interactions Occurs when one molecule has a HF HN or HO bond Bond Strength Ionic Bond gt Hydrogen Bond gt Polar Polar Interaction gt Nonpolar Nonpolar Interaction Hanep llaar quot 39 P I rim I quotI I 393 t ll in rl39m Dr not have Hawaii F IHIE FrHl NH Dr MH or III HI 39 H Ilaands manna 1 7 1 2 Hun n lar 7 Polar I r m i I I A r quot HI El 39 en I thgu39MQH N cm p m lla r Purim b n n mmquot quot M i39mramlum39is 1 Ih39lm mzlmn39s i I i Hl 39l l 39 ml m all Into motion Ice and Water Ice Water liquid Less packed More packed Arranged on a lattice and Molecules slow down when vibrate it gets cooler Bonds are more quickly in Bonds are very dif cult to breaking and reforming break and reform Noted Ice solid water is less dense than liquid water Frozen oil solid oil is denser than liquid oil Water has a higher boiling point than most of the liquids The word 39inter39 means between or among The word 39intra39 means inside or within Practice Questions 1 What is the difference between a quotintraquot and quotinterquot b quotintramolecular bondquot and quotintermolecular interactionquot 2 Identify quotAquot and quotBquot as intramolecular bond or intermolecular interaction B a HEH A HM 39 1 B l l llllllllll W H b M 1 Determine the type of interaction that best represents the intermolecular interaction in the compounds below Between F2 molecules Between CH4 molecules Between CH3COOH molecules Between HF molecules Between CCI4 molecules Between H20 molecules LiCl Between HOCI molecules Between CH3F molecules 2 Hydrogen bonding can occur between molecules when a A hydrogen atom forms a covalent bond with one other atom 39TLQquot DQnO39QJ b Both molecules each contain a FH NH or 0H covalent bond c A hydrogen atom forms an ionic bond with one other atom d Both molecules contain hydrogen atoms 2 Determine whether the diagram below represents hydrogen bonding between the molecules Explain your answer lll if H H HsoaogogoNgnHeoeogogcglr H H H H w H H H 1 Molecule Boiling Intermolecular interactions 5 point CH4 164 C Nonpolar Nonpolar Interactions HCI 85 C Polar Polar Interaction H20 100 C Hydrogen Bonding a Rank molecules in terms of their boiling point from the lowest to highest b Rank the strength of intermolecular interactions from weakest to strongest c Why is water having a much higher boiling point than CH4 and HCI 1 Watch the video httpwwwyoutubecomwatchvPcoiLAstqc a Which structure has fewer molecules per unit volume b Why do ice and water liquid have the two different structure c Which structure is less dense Note Density mass volume Learning Outcomes 1 What is the difference between intramolecular and intermolecular interactions What are the types of Intermolecular interactions What are the relative strength among different types of intermolecular interactions 4 What affects the boiling point of a substance UJN What is the structure of ice What is the role of water for proper functioning of the earth and life How does the polarity of a substance affect its solubility in water How will the shape of water molecule affect its polarity mNOWU39I Need answers Feel free to drop me an email 15043445 myrpedusg