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  1. The answers give the key points about each topic in clear language suitable for students taking an introductory chemistry course. This document contains answers and explanations for exercises in Chapter 1 of the Cambridge IGCSETM Chemistry workbook.

  2. iv The mass of 1 mole of zinc (65 g) is very similar to the mass of 1 mole of nickel (59 g) (1) Because the student used the same mass of each metal, the number of moles of nickel and zinc is very similar. (1) Because silver does not react it does not matter how much the student uses (1) Nickel gets oxidized.

  3. The rate of a chemical reaction can be measured in order to determine the factors that affect it, such as surface area, temperature and concentration. Calcium carbonate reacts with hydrochloric acid to form a solution of calcium chloride and carbon dioxide gas, according to the chemical equation: CaCO (s) + 2HCl(aq) 3.

  4. Sciences (9-1) 2017. Download Biology answers. Download Chemistry answers. Download Physics answers. Download Human Biology answers. Download Biology Single Award answers. Download Chemistry Single Award answers. Download Physics Single Award answers. Download Double Award answers.

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  6. Our resource for Experience Chemistry, Volume 1 includes answers to chapter exercises, as well as detailed information to walk you through the process step by step. With Expert Solutions for thousands of practice problems, you can take the guesswork out of studying and move forward with confidence. Find step-by-step solutions and answers to ...

  7. CHEMISTRY Edexcel (9-1) Student Book Answers - Free ebook download as PDF File (.pdf), Text File (.txt) or read book online for free.

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