Explore advanced thermodynamics concepts in this comprehensive lecture focusing on reaction properties, fuel characteristics, and combustion processes. Delve into key topics including stoichiometry, proportionality relations, reactions of formation, and the Hess relation. Master the understanding of heating values and exergy of hydrocarbons, while examining the principles behind adiabatic flame temperature and the unattainability of reversible flames. Learn about the distinctions between Van der Waals forces and covalent bonds, analyze the direction of spontaneous reactions, and understand the maximum obtainable work from chemical processes. Through detailed explanations and visual aids, including H-S diagrams and energy-entropy relationships, gain profound insights into both closed and open systems with chemical reactions. For optimal learning efficiency, the instructor recommends viewing at 1.5x speed.
Properties of Reaction, Heating Values and Exergy of Fuels, and Adiabatic Flame Temperature - Lecture 18
MIT OpenCourseWare via YouTube
Overview
Syllabus
- Introduction
- Review: Systems with Chemical Reactions
- Closed and Open Systems with Chemical Reactions
- Review: Notation and Proportionality Relations
- Review: Properties of Reaction
- Enthalpy of Formation Illustrated on a H-S Diagram
- Van der Waals Forces versus Covalent Bonds
- Enthalpy of Formation and Bond Energies
- Properties of Formation and Hess Relation
- Direction of Spontanueos Reaction
- When Is a Reaction Product- or Reactant-Favored?
- Maximum Work Obtainable; Minimum Work Required
- Oxidation of Hydrocarbons
- Heating Value and Exergy of a Fuel
- Lower and Higher Heating Values
- Adiabatic Flame Temperature
- Summary on an Energy vs Entropy Diagram
- Is a Reversible Combustion Possible?
Taught by
MIT OpenCourseWare
