What happens when excess ch4 reacts with o2 What is their mass ratio What does it matter?

Water and carbon dioxide generation
CH4+2O2=CO2+2H2O

Cooling after full reaction of 1:4 mass of ch4 with o2 Why a single pure substance is produced and is gaseous. Cooling after full reaction of ch4 with o2 at 1:4 mass Why a single pure substance is produced and is gaseous.

The full reaction produces carbon dioxide gas and water vapor, which cools into a liquid, so the product is simply carbon dioxide.

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1. What type of reaction is ch4+O2
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3. What is the valence of iron and oxygen in Fe3O4?
4. The iron burns in oxygen to form iron tetroxide. Does that follow the law of conservation of mass? So why do you want fe+o2 to ignite fe3o4? The iron burns in oxygen to form iron tetroxide. Does that follow the law of conservation of mass? So why does fe+o2 ignite fe3o4?
5. Fe3O4,Fe2O3,FeO separately react with C Fe3O4,Fe2O3,FeO CO?
6. Can Fe2o3 react with FeO to form Fe3O4 Can, if, under what conditions Give a chemical formula if you can. Can Fe2o3 react with FeO to form Fe3O4 Can, if, under what conditions Give a formula if you can.
7. FeO,Fe2O3,Fe3O4 chemical reaction with hydrochloric acid?
8. Why iron rusts more easily in salt water
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10. Does Fe3O4 react with O2 to form Fe2O3?
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12. If C reacts with O2 to form CO, C is insufficient to form CO2? If C reacts with O2 to generate CO, C is insufficient to generate CO2?
13. In industry, oxygen is produced by electrolysis of water. The amount of oxygen produced by electrolysis of water is 0.8 tons, and the amount of oxygen obtained at the same time is
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