Assertion: chemical reaction | /r/HasProperty | characterized by a chemical change
Facets:
value: usually
type: TEMPORAL
value: generally
type: MANNER
Source sentences:
text: A chemical reaction is a process generally characterized by a chemical change in which the starting materials (reactants) are different from the products.
text: Chemical reactions are usually characterized by a chemical change, and they yield one or more products, which usually have properties different from the reactants.
text: Chemical reactions are usually characterized by a chemical change, and they yield one or more products, which usually have properties different from the reactants.