Chemistry · Chapter 5

Stacking Steps with Hess's Law

Flip a step, scale it, or leave it out. When your stack adds up to the target equation, the enthalpies add up to the target ΔH too.

Your energy patheach used step is one leg

enthalpy Pick multipliers on the right and the path redraws.
0.0kJ from your stack not there yet
Your stack adds up to
nothing yet
Target
target

The puzzle

Choose a puzzle.

Given stepsflip and scale

A negative multiplier reverses the step and flips the sign of its enthalpy. Reversing swaps which side every substance sits on.