Balancing Chemical Equations Video Lessons

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Concept: Balancing Chemical Reactions

Problem: Balance the following equations by inserting coefficients as needed.a.  — C3H8 + — O2 → — CO2 + — H2Ob.  — P4O10 +  — H2O →  — H3PO4  

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We’re being asked to balance the given equations.


Recall that when balancing chemical equations, we have to make sure that the number of elements on both sides is equal with the lowest whole number coefficients.


Reaction 1:

_C3H8 + _O2 _CO2 + _H2O

C      3

H      8

O      2

C      1

H      2

O      3


93% (399 ratings)
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Problem Details

Balance the following equations by inserting coefficients as needed.

a.  — C3H8 + — O2 → — CO2 +  H2O


b.  — P4O10 +  — H2O →  — H3PO4  

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Based on our data, we think this problem is relevant for Professor Coote's class at Saginaw Valley State University.