Melting butter is a physical change. The statement that best describes what is happening is that the butter contains a new arrangement of atoms.
<span>Sucrose is more soluble in water. The reason can be attributed to hydrogen bonding between water molecules and sucrose molecules. </span>
I believe the correct answer is C. The amount of catalyst is the same at the end as at the beginning of the reaction. Catalysts can't be consumed by the reaction thus is not D.
