Assertion: chemical reaction | /r/HasAspect | positive δh
Facets:
Source sentences:
text: A chemical reaction that has a positive ΔH is said to be endothermicA chemical reaction that has a positive change in enthalpy.
text: A chemical reaction that has a positive ΔH is said to be endothermic, while a chemical reaction that has a negative ΔH is said to be exothermic.