Experiment No. 9 INTEGRATED CONCEPTS OF EQUILIBRIUM RESULTS AND DISCUSSION A system in equilibrium can be affected by the addition of another reagent leading to a change in chemical equation with a new equilibrium constant. An overall reaction is the sum of two or more reaction steps with different equilibrium constants. The overall equilibrium constant‚ Koverall‚ is the product of the equilibrium constants of the individual reaction step. If a reaction step is reversed‚ the equilibrium
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IONIC COMPOUNDS In chemistry‚ an ionic compound is a chemical compound in which ions are held together in a lattice structure by ionic bonds. Usually‚ the positively charged portion consists of metal cations and the negatively charged portion is an anion or polyatomic ion. Ions in ionic compounds are held together by the electrostatic forcesbetween oppositely charged bodies. Ionic compounds have high melting and boiling points‚ and they are hard and very brittle. Ions can be single atoms‚ as the sodium and chlorine in
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March 2‚ 2011 Lab Report Physical Properties of Two Types of Solids SCH3U0 Maggie Liu Abstract The purpose of this lab is to study some of the physical properties of two types of solids – ionic and molecular. The samples used are sodium chloride (ionic) and camphor (molecular). The physical properties studied are odour‚ hardness‚ melting point‚ solubility in water and solubility in 2-propanol. It is observed that some of the physical properties of sodium chloride are no odours‚ hard‚ a
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Structure and bonding Ionic bonds are chemical bonds formed through an electrostatic attraction between two oppositely charged ions. Ionic bonds are formed between an metal and a non-metal. The metal loses an electron or electrons form its highest energy level becoming a positively charged Ion and the non-metal gains an electron or electrons in its highest energy level‚ becoming a negatively charged Ion. Covalent bonds are strong bonds between two non-metal atoms. A covalent bond forms when two non-metal
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is needed to break the strong bonds (ionic or covalent) operating in three dimensions. The oxides of phosphorus‚ sulphur and chlorine consist of individual molecules - some small and simple; others polymeric. The attractive forces between these molecules will be van der Waals dispersion and dipole-dipole interactions. These vary in size depending on the size‚ shape and polarity of the various molecules - but will always be much weaker than the ionic or covalent bonds you need to break in a giant structure
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Bond By INSTRUCTOR: PURPOSE/INTRODUCTION The purpose of this experiment is to examine the properties of six common chemicals based upon their inherent molecular properties. Though this experiment‚ we can study and compare the bond properties of these chemicals. This experiment is also an introduction comparison of ionic and covalent bonding through real world testing. The properties of each type of bond will be exploited to the fullest during these tests. MATERIALS Materials required
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table? Q.4-Define Electro negativity/Electron Affinity/Ionization potential/Atomic radii CHAP NO.5 Q.1-Define ionic bond and explain about the formation of NaCl? Q.2-Define Covalent bonds and its types/Coordinate Covalent bond with example? Q.3-define Hydrogen bonding / London Forces/dipole –dipole forces Q.4-differentiate b/w ionic & covalent bond OR covalent & Coordinate covalent bond? CHAP NO.6 All Definitions CHAP NO.7 ALL definitions/Difference b/w solution and suspension CHAP NO.8 Define
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observations in the lab‚ categorize each unidentified compound as ionic or covalent. Explain in one or two sentences why you categorized the compounds the way that you did. (5 points) Based on my observations in the lab I categorized Substance A and Substance C as an ionic bonds because the solids don‘t conduct electricity but when in liquid state and aqueous solutions‚ electricity was conducted. I categorized substances B and D as covalent bonds because the solids conduct electricity but the liquid state
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Researcher Ceramic Artisans Dear Ms. Sylva‚ In ionic and covalent bonds‚ there are many properties that make up each bond. Ionic bonds between a metal and a nonmetal are stronger than covalent bonds‚ have high melting and boiling points‚ and can conduct electricity in water. This is because the electrons are transferred‚ completing the valence electron shell and making the atom stable. Covalent bonds between nonmetals have weaker bonds‚ low melting and boiling points‚ and do not conduct electricity
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electrons! Lewis Dot Diagram of an Ionic Compound Lewis Dot Diagrams of an Positive ION (METAL) Positive Ions have no valence electrons! The Octet Rule REMEMBER! All elements want to be like the noble gases. All elements want full electron shells. All elements want 8 valence electrons. The Octet Rule Atoms form chemical bonds so that they have an octet of valence electrons‚ either by gaining‚ losing‚ or sharing valence electrons. When atoms bond together‚ they each want a set of
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