SEMINAR REPORT ON FUEL ENERGIZER Fuel energizer 2 www.techalone.com ABSTRACT In this era of increasing fuel prices‚ here a device called ‘FUEL ENERGIZER’ help us to Reduce Petrol /Diesel /Cooking gas consumption up to 28%‚ or in other words this would equal to buying the fuel up to 28% cheaper prices. When fuel flow through powerful magnetic field created by Magnetizer Fuel Energizer‚ The hydrocarbons change their orientation and molecules in them change their configuration. Result: Molecules
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N10/4/CHEMI/SP2/ENG/TZ0/XX 88106105 CHEMISTRY STANDARD LEVEL PAPER 2 Thursday 11 November 2010 (afternoon) Candidate session number 0 1 hour 15 minutes 0 INSTRUCTIONS TO CANDIDATES • • • • Write your session number in the boxes above. Do not open this examination paper until instructed to do so. Section A: answer all of Section A in the spaces provided. Section B: answer one question from Section B. Write your answers on answer sheets. Write your session number
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compare that relative reactivity of Na and k -Sodium and potassium react somewhat similar when reacting with water however they are slightly different. Sodium moves because of the hydrogen coming off of it and has a low melting point while potassium’s reaction is faster and enough heat is produced to set light to the hydrogen coming off of it. Each leaves a pink color hue in the water. Discuss the similarities and differences in the behavior of the metals tested with water relative to their positions
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Chemistry All about matter There are three different stages of matter: Solid‚ Liquid and Gas Solid (s): Have a certain volume and shape. “Particles” are arranged in a specific crystalline patter and they only vibrate around fixed positions. Liquid (l): Have a fixed volume‚ but not shape. The particles have some freedom and can move around each other. They collide often. Gas (g): Doesn’t have a fix volume or shape. (Takes up the space where it is) Particles move freely in all space available
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SYLLABUS Cambridge O Level Chemistry 5070 For examination in June and November 2014 University of Cambridge International Examinations retains the copyright on all its publications. Registered Centres are permitted to copy material from this booklet for their own internal use. However‚ we cannot give permission to Centres to photocopy any material that is acknowledged to a third party even for internal use within a Centre. © University of Cambridge International Examinations 2011 Contents
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Purpose: This experiment will allow for exploration into some of the properties of Group 17 elements (halogens) and their compounds. More specifically‚ the solubility properties of these halogens will be used to predict their reactions. The relative electronegativities of the halogens will be determined. Halides‚such as Cl-‚ Br-‚ and I- will be used to make these determinations. Because this lab is qualitative rather than quantitative‚ there are no calculation and no measurements. We will be
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a number that has a decimal point are significant ~ 34.070 mg Density Density is a physical property of matter‚ as each element and compound has a unique density associated with it. Density defined in a qualitative manner as the measure of the relative "heaviness" of objects with a constant volume. Pure Substances A substance with uniform composition. Cannot be separated by physical or mechanical means. Elements Cannot be broken down or changed into another substance using chemical means
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groups in equal numbers of 102. Data collection and analysis. Data were collected through two instruments: Demographic and Pregnancy History Form and NST tracing. Main outcome measures were percentage of reactive NST and number of minutes for reactivity in each position. Results. There were significant (P < 0Æ05) differences among four groups. Supine position
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Revision checklist for IGCSE Chemistry 0620 A guide for Students Revision checklist for IGCSE Chemistry 0620 A guide for students How to use this guide The guide describes what you need to know about your IGSCE Chemistry examination. It will help you to plan your revision programme for the theory examinations and will explain what the examiners are looking for in the answers you write. It can also be used to help you to revise by using tick boxes in Section 3‚ ‘What you need to know’‚ to check
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As said above the reactivity of metals when moving across the periodic table the reactivity decreases and when moving down a group the reactivity increases. This is caused by relationship between the core charge and valence electrons. When moving across a period each element will have the same number of shells‚ but each of their core charges are going to be different. The core charges become higher the farther across the period you move. An increase of core charge‚ means a decrease in shells making
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