Balancing Redox Reactions Video Lessons

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Problem: Balance the following redox reaction by inserting the appropriate coefficients.HNO3 + H2S → NO + S + H2O

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We are being asked to balance the given redox reaction. We will assume that the reaction is under acidic condition unless stated otherwise. When balancing redox reactions under acidic conditions, we will follow the following steps.


Step 1: Separate the whole reaction into two half-reactions

Step 2: Balance the non-hydrogen and non-oxygen elements first

Step 3: Balance oxygen by adding H2O to the side that needs oxygen (1 O: 1 H2O)

Step 4: Balance hydrogen by adding H+ to the side that needs hydrogen (1 H: 1 H+)

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Problem Details

Balance the following redox reaction by inserting the appropriate coefficients.

HNO3 + H2S → NO + S + H2O

Frequently Asked Questions

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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Our tutors rated the difficulty ofBalance the following redox reaction by inserting the approp...as medium difficulty.

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Our expert Chemistry tutor, Sabrina took 7 minutes and 31 seconds to solve this problem. You can follow their steps in the video explanation above.