Thursday, April 2, 2020
How to Use the Definition of Endothermic Reaction in Chemistry
How to Use the Definition of Endothermic Reaction in ChemistryThe definition of an endothermic reaction in chemistry has to do with an energy transfer reaction which involves the transfer of energy from one medium to another. This is a fairly easy definition and really means that any energy or chemical reaction occurs between two dissimilar materials, such as gases, liquids, solids, and other elements. The second definition of endothermic is all those reactions which result in net energy being transferred between the two substances.An endothermic reaction can occur between any number of elements, so the definition is somewhat arbitrary. For example, if there is a person who is losing heat because of the fact that he is sweating, this would not be considered an endothermic reaction.To get an idea of what an endothermic reaction looks like, think about a fire and a body. You cannot boil water in a fire because the heat from the fire is dissipated into the atmosphere. This means that th ere are no transfers of energy happening, but the combustion does take place. A good example of an endothermic reaction is when a flame is kindled to light a match.Now, if you look at how to create a fire with water, you will see that it is an endothermic reaction, which means that there is a net transfer of energy taking place. At the end of the day, the endothermic reaction just needs some heat and you can have a fire. Now, if you want to know what chemicals react at different temperatures, it will be best to look at other examples of endothermic reactions, such as for example melting of ice crystals or the warming of a hot cup of coffee.The third definition of endothermic reaction in chemistry is a process where the energy released in the process of the reaction remains as energy. For example, ifa flame was to be set ablaze, it would be an endothermic reaction and the heat that was being released would stay as heat, or in the case of the glass of ice-cold coffee, would remain as the heat from the coffee.In terms of physics, you have two things going on with endothermic reactions. The first is when the energy being generated is always transferred between the two mediums involved in the reaction, and the second is when the heat released is always retained at its source (the object in which the reaction is taking place).Therefore, the definitions will be for other things, although I find that they all make sense. These are just the three definitions of endothermic reaction in chemistry that you need to know.
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