C5

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  • Extracting Metals from their ores
    • Heat it with carbon
      • ZnO + C -> Zn + CO
      • Metal ore is reduced and the carbon is oxidised.
    • Issues
      • Not pure enough, not worth mining
      • Energy Costs
      • Environmental Issues
      • Pollution
    • Calculate relative formula mass
      • Iron Oxide Fe2O3
        • Fe=56 O=16
        • (56x2) + (16x3)
          • 112 + 48
            • =160
    • Relative mass of metal / Relative mass of ore x Amount of ore
    • Metallic Bonding
      • Strong but flexible - Malleable (can be bent into shape)
      • Conducts electricity
      • Lattic of positive ions
      • Untitled

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