The melting of wax is a physical change, yet the burning of wax is a chemical change. what is the essential difference between t
he physical change and the chemical change of wax in a burning candle? A. The burning of wax forms new compounds, while the melting of wax does not.
B. A higher temperature is needed to burn wax than to melt wax.
C. Melted wax can be separated into other substances, while solid wax cannot.
D. Melted wax is a different phase of matter than solid wax.
Increase the Surface Area of the Reactants. Increasing the surface area of the reactants increases the rate of the reaction. More surface area means more collisions of the reactant molecules and an increased rate of the reaction. This occurs when reactants are made to react in powdered form