Unit 2.docx - Unit 2 SCH3U Lesson 5 14 a b c d e 15 Calcium chloride Iron(III nitrate Sulphur trioxide Mercury(II sulphate Silver carbonate a A u2 O3 b

Unit 2.docx - Unit 2 SCH3U Lesson 5 14 a b c d e 15 Calcium...

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Unit 2 SCH3U Charlie Carson Lesson 5 14. a) Calcium chloride b) Iron (III) nitrate c) Sulphur trioxide d) Mercury (II) sulphate e) Silver carbonate 15. a) A u 2 O 3 b) NBr 3 c) N i 3 ( PO 4 ) 2 d) Mg ( OH ) 2 e) Li 3 N 16. a) 2Ba + O 2 → 2BaO b) 2AgNO 3 + CuC l 2 → 2AgCl + Cu ( NO 3 ) 2 c) 3Mg + 2FeF 3 → 2Fe + 3MgF 2 d) 3CaO + 2H 3 PO 4 → Ca 3 ( PO 4 ) 2 + 3 H 2 O e) 3 ( N H 4 ) 2 S + 2CoCl 3 → Co 2 S 3 + 6N H 4 Cl
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Unit 2 SCH3U Charlie Carson Lesson 6 17. a) Single displacement b) Decomposition c) Synthesis d) Double displacement e) Decomposition f) Single displacement g) Double displacement h) Synthesis 18. a) Mg + CuCl 2 → Cu + MgCl 2 b) Reaction will not occur – zinc is higher in activity than lead c) B r 2 + 2AgI → I 2 + 2ABr d) Reaction will not occur – iron is higher in activity than silver 19. In order from most reactive to least reactive: zinc iron nickel copper. The zinc and the iron nails were the only test materials that rusted completely after 3 days, indicating a greater chemical reaction compared to nickel (light tarnishing) and copper (no visible reaction). Brown
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  • Spring '19
  • Sulfur, Sulfuric acid, Sulfur dioxide, Charlie Carson

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