Assertion: molecular hydrogen | /r/HasAspect | high energy density
Facets:
value: because of its low molecular weight
type: CAUSE
value: on a mass basis
type: OTHER
value: very
type: DEGREE
value: as a gas at ambient conditions
type: OTHER
Source sentences:
text: Although molecular hydrogen has very high energy density on a mass basis, partly because of its low molecular weight, as a gas at ambient conditions it has very low energy density by volume.