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Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	where k is a constant, W is the weight loss of the metal in time t, A is the surface area of the metal exposed, and ?? is the density of the metal (in g/cm??).
http://www.w3.org/ns/prov#wasQuotedFrom	schools-wikipedia.org