Balancing Chemical Equations Video Lessons

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Concept: Balancing Chemical Reactions

Problem: How would you balance H2 + O2 = H2O?

FREE Expert Solution

We’re asked to determine the balanced equation for the reaction between hydrogen (H2) and oxygen (O2).


Unbalanced Chemical Reaction:

Given that H2 is a gas, O2 is a gas, and H2O is a liquid, we write the phase of each compound as a subscript in the equation.

Gas  (g)

Liquid  (l)

H2(g) + O2(g)  H2O(l)


Reactants                       Products

H                2                     H         2

O                2                     O         1


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Problem Details

How would you balance H2 + O2 = H2O?

Frequently Asked Questions

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

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