Assertion: hydrogen sulfide's structure | /r/CapableOf | control the accessibility of reactants
Facets:
value: to the surface
type: TRANSITIVE-OBJECT
Source sentences:
text: Because impurities and defects can be catalytic in nature, the absolute reaction rate depends on their amount and nature—and also on such physical characteristics as surface area and pore structure, which control the accessibility of reactants to the surface.