Just like any normal battery my salt water battery has the three main components‚ the electrolyte (in case you didn’t know its like a liquid that conducts th electric current (I hope I spelt that right))‚ a cathode (the negative electrode) and the an anode (the positive electrode). As you may or may not know a chemical reaction must occur so that that chemical energy can be converted into electrical energy which is then used for whatever. In my salt water battery the electric current passes through
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Experimental Chemistry In this topic‚ you will learn: www.revision-notes.co.cc Hazard Warning Labels www.revision-notes.co.cc Measurement: Mass‚ Volume‚ Time and Temperature www.revision-notes.co.cc www.revision-notes.co.cc Collection of Gases www.revision-notes.co.cc Identification of Gases www.revision-notes.co.cc The Particulate Nature of Matter In this topic‚ you will learn: www.revision-notes.co.cc States of Matter Kinetic Theory www.revision-notes
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Chapter 6 practice MULTIPLE CHOICE 1. The formula for acetic acid‚ CH3CO2H‚ is an example of a(n) a.|condensed formula.| b.|mathematical formula.| c.|structural formula.| d.|molecular formula.| ANS: A OBJ: Goal #3.1: Interpret‚ predict‚ and write formulas for ionic and molecular compounds 3. Which of the following statements are correct? 1.|Metals generally lose electrons to become cations.| 2.|Nonmetals generally gain electrons to become anions.| 3.|Group 2A metals
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Chemistry 12 Santa Monica College Determination of Kc for a Complex Ion Formation Objectives • • Find the value of the equilibrium constant for formation of FeSCN2+ by using the visible light absorption of the complex ion. Confirm the stoichiometry of the reaction. Background In the study of chemical reactions‚ chemistry students first study reactions that go to completion. Inherent in these familiar problems—such as calculation of theoretical yield‚ limiting reactant‚ and percent yield—is
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It involves the interaction between all pairs of atoms excluding the bonded atom as it is already involved in bonded term. For weak dipole attraction and repulsion depending upon distance between atoms is accounted by the Lennard-jones potential which is given by:- 2) VMD :- It is a program for molecular visualization‚ modelling and analysis of biological systems like proteins‚ nucleic acid‚ and lipid bilayer assemblies. VMD also gives option to work with volumetric data‚ sequence data
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METALS Lose electrons and form positive cations. NON-METALS gain electrons and form negative anions. IONS Are charges particles. EXMAPLES Atomic Notation and Bohr Diagrams Lewis Dot Diagram Examples Lewis Dot Diagrams of an Negative ION (NON-METAL) Negative ions have 8 valence 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
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Solubility product The Solubility product is related to SPARINGLY SOLUBLE SALTS ONLY!!!!! Examples are silver chloride‚ lead(II) chloride‚ calcium sulphate (in other words‚ it deals with salts commonly called insoluble salts) Consider a sparingly soluble salt MX Imagine the reaction that occurs when the solid is placed in water aMX (s) + H2O [pic] aMn+ (aq) + bXm- (aq) The equilibrium expression would be [Mn+]a [Xm-]b [MX]a [H2O]
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The primary objective in the lab is to determine the molecular formula of Copper Oxide through synthesis of copper oxide. In the first procedure‚ an empty crucible‚ Bunsen Burner‚ and electronic scale were placed onto the workbench. The electronic scale was zeroed before the crucible was placed on it. The total mass of the empty crucible was 88.000g. Afterwards‚ 10 grams of copper powder was placed into the crucible and weighed to be 98.000 g. The crucible with the copper was placed onto the Bunsen
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Hydrated Silica 1. Rosacea Care- Strontium Calming Lotion 2. 3. Facial Calming Lotion 4. This product was created to help relieve facial burning‚ stinging‚ redness and itchy skin caused by environmental or chemical irritants. It is an existing product and is fragrance free moisturizer. It is available in a 2oz pump bottle. 5. This ingredient is a surfactant. 6. Dry or Damaged skin types could benefit from this product. 7. Purified Water (Aqua)
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Investigation of a Hydrated Salt Table of Calculations: ³ Unknown #2 Weight of hydrate before heating .9989g Weight hydrate after heating .6534g Weight of water .3455g Mole of water in hydrate .0192mol Mole of anhydrous salt: CuSO4 .004094mol CuCl2 .004859mol CoCl2 .005033mol Mole ratio of water to each of the anhydrous salts: CuSO4 4.69
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