Balancing Chemical Equations Video Lessons

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Concept: Balancing Chemical Reactions

Problem: When the chemical equation below is balanced with the smallest INTEGER coefficients, the sum of the coefficients is:(H3C)2PCH2N(CH3)2 + O2 → CO2 + H3PO4 + N2 + H2Oa. 13b. 91c. 35d. 41e. 33

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FREE Expert Solution

We’re being asked to determine the sum of the coefficients when the given chemical equation is balanced.


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.



(H3C)2PCH2N(CH3)2 + O2  CO2 + H3PO4 + N2 + H2O

H      14

C      5

P      1

N      1

O      2

H      5

C      1

P      1

N      2

O      7


89% (151 ratings)
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Problem Details

When the chemical equation below is balanced with the smallest INTEGER coefficients, the sum of the coefficients is:

(H3C)2PCH2N(CH3)2 + O2 → CO+ H3PO4 + N2 + H2O

a. 13

b. 91

c. 35

d. 41

e. 33

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