Enthalpy change, represented by ΔH, is an important concept in thermodynamics and chemistry. It refers to the amount of heat absorbed or released during a chemical reaction or process. Understanding ...

Enthalpy of reaction, also known as heat of reaction, is a crucial concept in the study of chemical reactions. Understanding how to calculate enthalpy provides insights into the energy changes that ...

A solution was made by dissolving a spatula of potassium nitrate into 50 cm 3 of water. The temperature changed from 20.4˚C to 18.7˚C. Calculate the enthalpy change for this reaction. To calculate the ...