BINARY COMPOUNDS -Compose of two kinds of atom Polyatomic Ion | Name | OH-1 | hydroxide | SO4-2 | sulfate | PO4-3 | phosphate | NO3-1 | nitrate | CO3-2 | carbonate | HCO3-1 | hydrogen carbonate or bicarbonate | ClO3-1 | chlorate | NH4+1 | ammonium | TWO NON-METALS - Give the name of the positive ion followed by the negative ion ending with -ide -Greek prefixes are used CO-carbon monoxide CO2-carbon dioxide NO-nitrogen
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lone pair of electrons can thus behave as a base: NH3 + H+ == NH4+ OH- + H+ == H2O 2. Conjugate acid-base pairs Since all the above reactions are reversible‚ the species formed when an acid gives up a proton can accept a proton and thus behave as a base. The species formed when a base accepts a proton can give up a proton and behave as an acid: Cl- + H+ == HCl HSO4- + H+ == H2SO4 NH4+ == NH3 + H+ H2O == H+ + OH- Acids and bases thus come in pairs; every acid can lose a proton to
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remaining mixture containing iron (III) and zinc ions? Fe3+(aq) + 3NaOH(aq) Fe(OH)3(s) + 3Na+(aq) 3. How can the presence of silver ions be positively identified? AgCl(s) +2NH3(aq) Ag(NH3)2+(aq) + Cl-(aq) 4. How can the presence of iron (III) ions be positively identified? Fe(OH)3(s) + 3HCl(aq) + SCN- (aq) FeSCN2+ (aq) + 3Cl- (aq) + 3H2O(l) 5. How can the presence of zinc ions be positively identified? Zn(OH)4 2-(aq) + 4HCl(aq) Zn2+(aq) + 4H2O(l) + 4Cl-(aq) Post-Lab Questions: 1.
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hydroxy (or hydroxyl) functional group‚ -OH. This group shows up in a number of guises in organic compounds. Some of the common ones are shown in the table below. Functional Group Structure Compound Generic Name Comments alcohol In an alcohol‚ the -OH is attached to a tetrahedral carbon atom. Very weekly acidic. enol Two functional groups attached to the same carbon. It’s an alkene and an alcohol. Usually unstable. phenol -OH directly bonded to an aromatic ring. Weekly
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Models of Causation: Safety OHS Body of Knowledge Models of Causation: Safety April‚ 2012 Copyright notice and licence terms First published in 2012 by the Safety Institute of Australia Ltd‚ Tullamarine‚ Victoria‚ Australia. Bibliography. ISBN 978-0-9808743-1-0 This work is copyright and has been published by the Safety Institute of Australia Ltd (SIA) under the auspices of HaSPA (Health and Safety Professionals Alliance). Except as may be expressly provided by law and subject
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HLTOHS300A CONTRIBUTE TO OHS PROCESSES Assessment activity 1: Plan work in accordance with relevant provisions of OHS legislation‚ standards‚ codes of practice/compliance codes and guidance material 1. What is the aim of OHS legislations‚ regulations‚ and codes of practice? The aim of OHS legislation is to simplify the requirements for a workplace to ensure it is safe and healthy. The legislation is the guidelines for the director of a company to make the codes of practice for their team
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relevant provisions of OHS legislation‚ standards‚ codes of practice/compliance codes and guidance material 2.2. Identify hazards as part of work planning and work process 2.3. Address identified hazards prior to starting work using judgement within defined scope of responsibilities 2.4. Report residual risk according to organization procedures 2.5. Report incidents and injuries in line with organisation policies and procedures 2.6. Undertake OHS housekeeping in work
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