Question

plz explain the meaning of this symbol ​

Answer 1

Answer:

sorry to say but this picture is not at all clear

Answer 2

Answer:

Delta H              

Explanation:

In chemistry, the letter "H" represents the enthalpy of a system. Enthalpy refers to the sum of the internal energy of a system plus the product of the system's pressure and volume. The delta symbol is used to represent change. Therefore, delta H represents the change in enthalpy of a system in a reaction.