The symbol ∆H stand for the the "heat of reaction for a chemical reaction ".
The term "reaction enthalpy" also refers to the heat of the particular reaction. At a fixed pressure, the variation in the enthalpy of a particular chemical process is obtained. It should be the thermodynamic form of measurement used to determine how much energy overall is produced and released per mole during a reaction.
A chemical reaction would be a process that causes one group of chemical components to change chemically into another. When students master the five fundamental types of chemical reactions synthesis, breakdown, single replacement, double replacement, and combustion. it becomes much simpler for them to carry out.
When a chemical reaction has such a positive H value, it would seem to be endothermic; when it has a negative H value, which is said to be exothermic. It indicates an increase in energy for the system hosting the chemical reaction.
Therefore, the symbol ∆H stand for the the "heat of reaction for a chemical reaction ".
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