The change in heat of a reaction is the amount of energy absorbed or released during a chemical reaction.
The change in heat of a reaction is measured using a device called a calorimeter, which measures the temperature change of the reactants and products.
The change in heat of a reaction can be affected by the temperature, pressure, concentration of reactants and products, as well as the presence of a catalyst.
The change in heat of a reaction is also known as the enthalpy change, which is the difference in energy between the products and reactants in a chemical reaction.
Yes, the change in heat of a reaction can be either positive or negative. A negative change indicates that the reaction releases energy, while a positive change indicates that the reaction absorbs energy.