Balancing Redox Reactions Video Lessons

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Problem: Complete and balance the half reaction O2(g) →H2O(l) in basic solution.

FREE Expert Solution

We are being asked to balance the given half-reaction under basic solution


Step 1. Balance the non-hydrogen and non-oxygen elements first

O2(g) →H2O(l) 

Step 2. Balance oxygen by adding H2O to the side that needs oxygen (1 O: 1 H2O)

O2(g) →H2O(l) + H2O(l) 


Step 3. Balance hydrogen by adding H+ to the side that needs hydrogen (1 H: 1 H+)

4H+(aq) + O2(g) →2 H2O(l) 

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Problem Details

Complete and balance the half reaction O2(g) →H2O(l) in basic solution.


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What scientific concept do you need to know in order to solve this problem?

Our tutors have indicated that to solve this problem you will need to apply the Balancing Redox Reactions concept. You can view video lessons to learn Balancing Redox Reactions. Or if you need more Balancing Redox Reactions practice, you can also practice Balancing Redox Reactions practice problems.

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Based on our data, we think this problem is relevant for Professor Funck's class at JMU.