Thermodynamics and Energy Diagrams - Crash Course Organic Chemistry

The video explores organic chemistry, focusing on the smell of chemicals and reactions. It delves into thermodynamics, kinetics, enthalpy, entropy, and Gibbs free energy, explaining their roles in chemical reactions. The video also covers equilibrium constants, energy diagrams, activation energy, and reaction rates. It discusses multi-step reactions, intermediates, transition states, and the role of catalysts in lowering activation energy. The episode concludes with a review of these concepts, emphasizing their importance in understanding chemical reactions.

What is a major component of the lemony smell in lemons?

• Alpha-Terpineol

• Limonene

• Citric Acid

• Ethanol

Which term describes the change in heat of a reaction at constant pressure?

• Equilibrium Constant

• Enthalpy

• Entropy

• Gibbs Free Energy

What does a negative delta G indicate about a reaction?

• The reaction is non-spontaneous

• The reaction is spontaneous

• The reaction is at equilibrium

• The reaction is endothermic

What does a large equilibrium constant (K) signify about a reaction mixture?

• It is mostly reactants

• It is mostly products

• It is at equilibrium

• It is non-spontaneous

In an energy diagram, what does the peak of the hill represent?

• Reactants

• Products

• Activation Energy

• Transition State

What is the term for the energy required to start a reaction?

• Enthalpy

• Entropy

• Activation Energy

• Gibbs Free Energy

Which type of carbocation is more stable, primary or secondary?

• Primary

• Secondary

• Both are equally stable

• Neither is stable

What role does sulfuric acid play in the reaction between 2-MethylProp-1-ene and methanol?

• It acts as a reactant

• It acts as a catalyst

• It acts as a product

• It acts as an inhibitor

What is formed when methanol attacks the carbocation in the reaction mechanism?

• A new alkene

• An aldehyde

• An oxonium ion

• A ketone

What is the role of intermediates in a chemical reaction?

• They are not involved in the reaction

• They influence the kinetics and thermodynamics

• They are the initial reactants

• They are the final products