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EMPIRICAL FORMULAE 1 - TUTOR MARK DAKERS

Web EMPIRICAL FORMULAE 1. Benzene has the molecular formula C6H6. Its empirical formula is CH. Explain what each of these formulas tells us about benzene. molecular formula: …
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CHEMSHEETS GCSE 1231 ALKANES ANS 98MH - STUDOCU

Web CH 4 + O 2 C + 2H 2 O. For cracking long alkanes short alkanes + alkenes used as fuels used to make polymers. a) Give the general formula of alkanes. CnH2n+. b) Give the …
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MICROSOFT WORD - CHEMSHEETS GCSE 1123 (METAL EXTRACTION 1) …

Web compound from which a metal can be extracted for profit. 2) Calcium is extracted from calcium chloride by electrolysis. a) Explain why calcium cannot be extracted by hearing …
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CALCULATIONS MIXTURE 2 - INTERNATIONAL SCHOOL OF SIEM REAP

Web 10-January-2019. Chemsheets GCSE 1113. 7) Calculate the percentage atom economy to form the fertiliser ammonium sulfate in this reaction. 2NH3 + H2SO4 → (NH4)2SO4. % …
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ACIDS, BASES & SALTS 1

Web Title: Microsoft Word - Chemsheets GCSE 1135 (Acids, bases and salts 1) ANS.docx Created Date: 5/21/2018 6:54:09 PM
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MICROSOFT WORD - CHEMSHEETS GCSE 1279 (CALCULATIONS MIXTURE …

Web CALCULATIONS MIXTURE 3. 1) a) How many moles in 5.74 kg of calcium nitrate, Ca(NO3)2. b) What is the mass of 0.025 moles of methane, CH4? 2) a) What maximum …
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MICROSOFT WORD - CHEMSHEETS GCSE 1087 (REVISION 5) ANS.DOCX

Web 5 a) Methane and carbon dioxide are greenhouse gases. These gas absorb infra radiation from the Earth but do not absorb the infrared radiation from the Sun. Explain why they …
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MICROSOFT WORD - CHEMSHEETS GCSE 1105 (TITRATIONS 1).DOCX

Web 25.0 cm3 of 0.200 mol/dm3 barium hydroxide solution reacted with 22.8 cm3 of hydrochloric acid. Calculate the concentration of the hydrochloric acid in mol/dm3. Give your answer …
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CHEMSHEETS GCSE 1106 (TITRATIONS 2) ANS - SCHUDIO

Web 25.0 cm3 of arsenic acid, H3AsO4, required 37.5 cm3 of 0.100 mol/dm3 sodium hydroxide for neutralisation. 3 NaOH(aq) + H3AsO4(aq) → Na3AsO4(aq) + 3 H2O(l) Find the …
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CHEMSHEETS GCSE 1105 (TITRATIONS 1) ANS - TUTOR MARK DAKERS

Web Chemsheets GCSE 1105. 25.0 cm3 of 0.150 mol/dm3 sodium hydroxide reacted with 30.3 cm3 of a solution of ethanoic acid. CH3COOH(aq) + NaOH(aq) → CH3COONa (aq) + …
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CHEMSHEETS ANSWERS | NHGS

Web A-level transition work for Chemistry - chemsheet answers can be found below: Downloads. Answers: Chemsheets AS 1001 Atomic StructureAnswers: Chemsheets …
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GCSE REVISION 18 - NORTH HALIFAX GRAMMAR SCHOOL

Web www.CHEMSHEETS.co.uk. 23-May-2018. Chemsheets GCSE 1282. 6) 0.595 g of tin (Sn) reacts with 0.71 g of chlorine (Cl2) to form tin chloride. Find the simplest molar ratio in …
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REACTIONS OF ACIDS 1

Web Title: Microsoft Word - Chemsheets GCSE 1131 (Reactions of acids 1) ANS.docx Created Date: 5/21/2018 6:28:31 PM
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MICROSOFT WORD - CHEMSHEETS AS 1259 (EXTRAS - ORGANIC …

Web A sample of the hydrocarbon is injected using a hypodermic syringe into a hot gas syringe and the volume of its vapour measured. The results are in the table. b) There is an …
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STRUCTURE OF ATOMS 1 - SCHUDIO

Web Atoms consist of a central NUCLEUS containing protons and NEUTRONS. The nucleus is TINY compared to the size of the whole atom. The nucleus is surrounded by …
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GCSE THE PERIODIC TABLE (B) - ISSR

Web 1 a. Give the electron structure of the Group 1 elements sodium and potassium. sodium. 2,8,1. potassium. 2,8,8,1. b Explain why sodium and potassium are both in Group 1 of the …
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CHEMSHEETS GCSE 051 BURNING AN ALCOHOL - SCISHEETS.CO.UK

Web Microsoft Word - Chemsheets GCSE 051 _Burning an alcohol_ You are going to burn an alcohol and calculate the heat released when it is burned. Different students may burn …
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GCSE ACIDS, BASES, SALTS (A) - INTERNATIONAL SCHOOL OF SIEM …

Web © www.CHEMSHEETS.co.uk 16-February-2019 Chemsheets GCSE 1324 1 Complete the table with ticks to show whether each of the following is an acid, base, salt and/or alkali. …
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CHEMSHEETS GCSE 1097 (ATOM ECONOMY) ANS - TUTOR MARK DAKERS

Web 6 Hydrogen (H2) has many uses, including as the fuel in many fuel cells. It can be made in several ways. a) Calculate the atom economy to form hydrogen by method 1. CO + H2O …
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GCSE MOLES (A) - INTERNATIONAL SCHOOL OF SIEM REAP

Web Give your answer in standard form to 3 significant figures. (the Avogadro constant = 6.022 x 1023 mol–1) mass of one atom = . = 3.16 x 10–23 g. One molecule of water has a mass …
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C4.8 CALCULATIONSCHEMSHEETS GCSE 1105 (TITRATIONS 1) - SCRIBD

Web C4.8 CalculationsChemsheets GCSE 1105 (Titrations 1) - Free download as PDF File (.pdf), Text File (.txt) or read online for free.
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GCSE MOLES (C) - INTERNATIONAL SCHOOL OF SIEM REAP

Web Microsoft Word - Chemsheets GCSE 1297 (QC - Moles C) ANS.docx. GCSE. 1 What mass of iron is formed when 240 g of iron(III) oxide reacts with carbon monoxide? Fe2O3 + …
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