supeg1028 supeg1028
  • 16-09-2018
  • Chemistry
contestada

Write out the balanced equation for the reaction that occurs when Al and PbO react together.

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znk
znk znk
  • 17-09-2018

The balanced equation is 2Al + 3PbO → Al₂O₃ + 3Pb

Al is above Pb in the activity series, so it will displace Pb from its oxide.

The unbalanced equation is

Al + PbO → Al₂O₃ + Pb

We need 2 atoms Al and 3 atoms O on each side, so the balanced equation becomes

2Al + 3PbO → Al₂O₃ + 3Pb

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