Balancing Chemical Equations Video Lessons

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Concept: Balancing Chemical Reactions

Problem: When the following equation is balanced, the coefficient of sulfur dioxide is _____.  PbS (s) + O2 (g) → PbO (s) + SO2 (g)  A. 5  B. 1  C. 3  D. 2  E. 4

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Problem Details

When the following equation is balanced, the coefficient of sulfur dioxide is _____. 

PbS (s) + O2 (g) → PbO (s) + SO2 (g) 

A. 5 

B. 1 

C. 3 

D. 2 

E. 4

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