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What are redox reactions?
Redox reactions are energy producing reactions at the molecular level of life.
What is Oxidation Number?
Oxidation Number is the charge an atom would have in a molecule of electrons were completely transferred.
Balanc the redox reaction. Fe2+ + Cr2O72- _____> Fe3+ + Cr3+
Answer: 6 Fe2+ + Cr2O72- + 14 H+ ______> 6 Fe3+ + 2 Cr3+ + 7 H2O
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