Balancing Chemical Equations Video Lessons

Concept: Balancing Chemical Reactions

# Problem: The reaction of calcium with elemental chlorine yields calcium chloride. Write a balanced chemical equation for this reaction.a) Ca(s) + Cl2(g) → CaCl(s) + Cl(g)b) Ca(s) + Cl2(g) → CaCl2(s)c) Ca(s) + 2 Cl2(g) → CaCl4(s)d) 2 Ca(s) + Cl2(g) → 2 CaCl(s)e) 4 Ca(s) + Cl2(g) → 2 Ca2Cl(s)

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###### Problem Details

The reaction of calcium with elemental chlorine yields calcium chloride. Write a balanced chemical equation for this reaction.

a) Ca(s) + Cl2(g) → CaCl(s) + Cl(g)

b) Ca(s) + Cl2(g) → CaCl2(s)

c) Ca(s) + 2 Cl2(g) → CaCl4(s)

d) 2 Ca(s) + Cl2(g) → 2 CaCl(s)

e) 4 Ca(s) + Cl2(g) → 2 Ca2Cl(s)

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