1 property
2 procedure
Results
Answer:
11) the difference in heat energies between products and reactants
12) enthalpy change
Explanation:
The heat of reaction is defined as that energy released or absorbed as chemical substances participate in a chemical reaction. It is a term used to denote the change in energy as reactants change into products.
Another name of heat of reaction is enthalpy of reaction. It is a state function since it depends on the initial and final states of the system.
1 is the answer because I studied science it's right number 1 is the correct one homogeneous composition
Element: Boron
Symbol: B
So answer is B
