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CHEM PPR 4 HELP! URGENT!!!!!

Reaction I: Pb + SO4---> PbSO4 + 2e– Reaction II: PbO2 + 4H+ + SO4– + 2e ---->PbSO4 + 2H2O In reaction 1 and 2 we neglect "SO4" as it is nor giving or recieving electrons. So now write both the equation without SO4..... Reaction I: Pb---> Pb* + 2e– Reaction II: PbO2 + 4H* + 2e ---->Pb* + 2H2O...
- darkakash
- Post #5
- May 24, 2011
- Forum: A-Levels
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CHEM PPR 4 HELP! URGENT!!!!!

Its Easy..... Higher value - lower value....
- darkakash
- Post #2
- May 24, 2011
- Forum: A-Levels
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chemistry p4 topics to stress on

Thnks dude........helped me a lot.. :D BTW how much r u sure that this topics will be asked.............
- darkakash
- Post #9
- May 24, 2011
- Forum: A-Levels
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chemistry p4 topics to stress on

Partition Co-efficient??? Wat is that.....never learned that.....
- darkakash
- Post #4
- May 24, 2011
- Forum: A-Levels
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chemistry p4 topics to stress on

Ozone????? Wat to learn in ozone???
- darkakash
- Post #2
- May 24, 2011
- Forum: A-Levels

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