"Report on how you use chemistry at work or home" Essays and Research Papers

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    b.) Explain the different points of view of different stakeholders seeking to influence the aims and objectives of two different Businesses. E.g. employees and trade unions are linked as trade unions are the pressure group that employees might use to negotiate pay and conditions with the employer -M1 Stakeholder points of view (M1) The stakeholders in the case of Social Services view the service in different ways: [example notes] Councillors They hope that people get excellent services in the

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    mouth of the test tube to test for the presence of hydrogen gas. We notice one of the products is lead iodide which is insoluble so it precipitates out and indeed its colour is yellow.  3) Mg + 2 HCl = MgCl2 + H2  3. Electrolysis of water Use a U-tube with electrodes at each end‚ connected to a battery. Fill the U-tube with water. Turning on the battery‚ observe the results at each electrode. Next‚ test for hydrogen and oxygen gas produced at each end of the tube. Electrolysis of water

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    chemistry

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    Appendix APPENDIX 1 Chemical tests for functional groups Homologous series/ Typical compound Functional group(s) Alkanes CH3CH3 ethane C – C and C–H Alkenes CH2 = CH2 ethene C=C Chemical tests/Observations Add liquid bromine in ultraviolet light (or sunlight): White fumes of HBr liberated; decolourisation of bromine occurs slowly (a) Add Br2 in CCl4 at room temperature: Decolourisation of bromine occurs immediately CH2 = CH2 + Br2 → CH2BrCH2Br (b) Add acidified

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    Calculations 1. Rounding Examples *0.1356 (4 significant figures) -> Round answer to 2 significant figures *0.1356 -> 0.14 *314.705 (6 significant figures) -> Round number to 4 significant figures. *314.705 -> 314.7 *0.0035771 (5 significant figures) -> Round to 3 significant figures. *0.0035771 -> 0.00358 *500‚000 (1 significant figure) -> Write this number to have 3 significant figures. *500‚000 - 5.00 x 10^5 *39.501 -> Round to 2 significant figures. *39‚501

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    Benefit Analysis of work@home One of the primary advantages of the work@home program is that it creates a cost advantage. Having employees work at home as opposed to in-facility is significantly less costly. According to Table A in the case‚ annual recurring costs for each individual working in-facility is around $10‚650. That is over twice the recurring cost of the average work@home employee with an ISDN connection and over 20 times the annual recurring cost of a work@home employee with a cable

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    carbon chains. Give the names and draw the displayed formulae for any two of the branched chain isomers of C4H8Br2. (4) (Total 8 marks) 4. The table below shows the fractions obtained from crude oil. Name of fraction Number of carbon atoms Use Gases 1-4 bottled fuels for camping Petrol (gasoline) 4-12 fuel for cars Naphtha 7-14 11-15 jet fuel Gas oil (diesel) 15-19 central heating fuel Mineral oil 20-30 lubrication Fuel oil 30-40 Wax 41-50 candles Bitumen over

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    observe the manners (adab) of Islam such as courtesy‚ politeness‚ friendliness‚ helpfulness and the likes when we carry out our duties. By this‚our work be on the right step. In the same time it becoming an act of ibadah. It is important that we carry out our duties by abiding the adab as set forth by islam. * If we want to do well‚ we can not use the way that can cause good way turned into disrepute. As such‚from Islamic perspective‚the Robin Hood approach of “robbing the rich‚giving to the poor”

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    Be Allowed to Use Work Computers for Personal Use? Using Work Computers for Personal Use Introduction 1. Briefly discuss topics Body 1. Computers have changed the workplace 2. Importance of computer use policy 3. Disciplinary action for misuse Conclusion Give a summary of the topics‚ reiterating the importance of knowing the employers’ computer use policy and stressing that a little common sense goes a long way. The widespread use of Internet and

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    Chemistry and Society

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    which you explain the importance of chemistry in your life and in society. Include the following information: · Describe the scientific method. Explain all the steps involved in this method. · Explain how society applies the scientific method in industry‚ market‚ and academia. · Explain how you may apply the scientific method in your daily life and in your future career Format your paper consistent with APA guidelines. Chemistry is very

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    Determine the mass in grams of hydrogen gas required to form 1.00 x 103 g ammonia. Your Turn 2 • If you react 52.9 g of potassium chlorate (KClO3) with excess phosphorus‚ what mass of tetraphosphorus decoxide (P4O10) would be produced. KClO3 (s) + P4 (s) → P4O10 (s) + KCl (s) Answer: 36.8 g P4O10 Stoichiometry • In the real world‚ reactions do not always have 100% efficiency. • Often‚ use an excess of one of the reactants (usually the cheaper one). • Limiting Reactant – reactant that

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