3. Si + 2F₂ SiF4 4. H₂ + Cl₂ 2HC1 Oxidation Reaction: Reduction Reaction: Reducing Agent: Oxidizing Agent: Oxidation Reaction: Reduction Reaction: Reducing Agent: Oxidizing Agent: .

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Q: Number 15 please.  options are 4.9* 10^-2, 1.7*10^-5, 8.5*10^-6 and <1.0*10^-6

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Stoichiometry

Stoichiometry is a chemical division that evaluates the quantitative content of the chemical process with the help of the reacting molecules or products taking part in the reaction. The term “stoicheion” in “Stoichiometry”, is an old Greek term for "element" whereas “metron” means "measure".