the.com/enthalpy
the universe's energy receipt, tallying heat you'll pay or pocket when matter rearranges itself
hidden symbolDenoted H, possibly for heat or honoring physicist Heike Kamerlingh Onnes
can't measure itOnly changes in enthalpy are knowable, never absolute values
explosions love itNegative enthalpy means energy released, fueling fire and detonations
includes pressureIt bundles internal energy plus pressure times volume together
powers your fridgeEnthalpy of vaporization lets refrigerants steal heat from food