Assertion: hydrogen | /r/HasProperty | combined with oxygen
Facets:
value: in a fuel cell
type: LOCATION
value: to produce electricity
type: PURPOSE
value: in water
type: LOCATION
value: in each case
type: TEMPORAL
value: to form water
type: PURPOSE
Source sentences:
text: Hydrogen combined with oxygen is water (H2O).
text: In each case hydrogen is combined with oxygen to form water.
text: Only energy and clean water are produced when hydrogen is combined with oxygen in a fuel cell.
text: For example, in water, hydrogen is combined with oxygen.
text: Hydrogen can also be combined with oxygen in fuel cells to produce electricity without combustion.
text: When combined with oxygen in a fuel cell, hydrogen produces heat and electricity with only water vapor as a by-product.