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Chemical Synthesis C6. H 2 SO 4. Name? Name of a salt you can make from it. 3. Give the formula. Carbon dioxide. 4. Give the formula. Sulphuric acid. 5. Give the formula. Calcium chloride. 6. Which are solids?. Hydrogen chloride Sulfuric acid Nitric acid Ethanoic acid Tartaric acid
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H2SO4 • Name? • Name of a salt you can make from it.
3. Give the formula Carbon dioxide
4. Give the formula Sulphuric acid
5. Give the formula Calcium chloride
6. Which are solids? • Hydrogen chloride • Sulfuric acid • Nitric acid • Ethanoic acid • Tartaric acid • Citric acid
7. What is an indicator?8. What is neutralisation?9. What does this mean?
10. Acid + metal ? + ?11. Acid + metal oxide ? + ?12. Acid + metal hydroxide ? + ?13. Acid + metal carbonate ? + ? + ?
14. What’s the salt? Sulfuric acid Magnesium
15. What’s the salt? Nitric acid Copper oxide
18. Why does a reaction go faster when the acid is more concentrated? • Particles • crowded • collisions • frequent
Mass lost (g) 20oC 10oC Time (min) 20. What does this tell you?
23. Relative formula mass. This tells you the number of times a molecule is heavier than an atom of hydrogen E.g. Work out the Mr of CO2.
24.The recipe bit … What mass of ammonia is produced from 14g of nitrogen? Underline N2 + 3H2 2NH3 Molecules in x relative formula mass Same at both sides Keep the same units!
25. Percentage yield You expected 100 tonnes of ammonium sulphate but the actual mass was 25 tonnes. What was the % yield?