Write the balance chemical equation for
1. Oxygen and Aluminium
2. Calcium and chlorine
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Answer:
1. 4Al + 3O2→2Al2O3
2. 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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