Pyro's Academy: Different Types Of Chemical Reactions

At Pyro’s Academy, we have a lot to offer and to teach you! For example, you learn about the different types of chemical reactions such as combustion and displacement, how to write word equations about chemical reactions and the difference between exothermic reactions and endothermic reactions. To write combustion as a word equation you would write ‘___ -> Oxygen = ___ Oxide’ so if the element you were burning was Iron, the product would be Iron Oxide. In a chemical reaction, the surroundings may increase or decrease in temperature due to exothermic and endothermic reactions. An exothermic reaction is where heat exits the reactant, causing it to cool down, and an endothermic reaction is where heat enters the reaction, causing it to heat up. The picture on the left shows the energy levels of endothermic and exothermic reactions.

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For example if you had Iron Oxide and Silver, if you caused a displacement reaction then you would have Iron and Silver Oxide. In normal reactions, the atoms rearrange to form the products by mixing with each other. So again, if you had Iron and you caused a combustion reaction, the oxygen from the flame would be mixed with the Iron, creating Iron Oxide. Instead of writing an elements name whenever you reference it, you can just use the name for it in the Periodic Table (Eg. Magnesium=Mg, Silver=Au.). For compounds, you can say how many atoms it has in it of each element. Mixtures are different to elements and compounds because a mixture is made from molecules of elements and compounds that are simply mixed together, without chemical bonds. The combustion of metals is different to the combustion of hydrocarbon fuels because if you make a combustion reaction with hydrocarbon fuels, you create Co2 and particles of Carbon that are usually seen as soot or smoke. In the combustion of metals, you don’t create