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1:42
YouTube
Wayne Breslyn (Dr. B.)
How to find the Oxidation Number for O in Na2O2 (Sodium peroxide)
To find the correct oxidation state of O in Na2O2 (Sodium peroxide), and each element in the molecule, we use a few rules and some simple math. First, since the Na2O2 molecule doesn’t have an overall charge (like NO3- or H3O+) we could say that the total of the oxidation numbers for Na2O2 will be zero since it is a neutral molecule. We write ...
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Sodium Water Reaction – Explanation When sodium (Na) is added to water (H₂O), it causes a highly exothermic chemical reaction, producing: Sodium hydroxide (NaOH) – a strong base Hydrogen gas (H₂) – which may ignite or even explode Heat – often enough to ignite the hydrogen gas 💥 Balanced Chemical Equation: 2Na 2H₂O → 2NaOH H₂↑ heat 🔬 What You Observe: Sodium floats and moves rapidly on water It fizzes and releases gas Heat is released It may catch fire with an orange or yellow flame A small ex
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