Module 02

Thermodynamics from Molecules to Processes

Understand why things happen, not just how to calculate them.

Conceptual Spine

Energy minimizes; entropy maximizes; free energy is the referee.

Lessons

01
The First and Second Laws (Really)

ΔU = Q − W; ΔS_universe ≥ 0

Soon
02
Enthalpy and When to Use It

H = U + PV

Soon
03
Entropy and Spontaneity

Disorder is not the right word

Soon
04
Gibbs and Helmholtz Free Energy

G = H − TS

Soon
05
Chemical Potential

μi = (∂G/∂ni)_{T,P}

Soon
06
Phase Equilibria and the Phase Rule

F = C − P + 2

Soon
07
Equations of State

van der Waals → Peng-Robinson

Soon
08
Fugacity and Activity Coefficients

Corrections for real behavior

Soon
09
Process Thermodynamics

Cycles, efficiency, real systems

Soon

Common confusions this module addresses

  • ×Chemical potential feels abstract and disconnected from anything physical
  • ×Entropy explained as 'disorder' creates wrong intuitions
  • ×Not knowing when to use Gibbs vs. Helmholtz
← Module 01Module 03 →

Ready to build the foundation?

One course. Five modules. 45+ lessons covering the conceptual core of chemical engineering. Lifetime access, including all future content additions.

Enroll — $997

30-day refund policy · No subscription · Lifetime access