Chemistry - DrOfEng

This Chemistry video describes the first law of thermodynamics in the context of chemical and physical processes, state variables and heat capacity. Post your comments/questions below and please subscribe. #DrOfEng #Chemistry #thermodynamics

This Chemistry video describes constant volume calorimetry for determining the energy of a reaction. Post your comments/questions below and please subscribe. #DrOfEng #Chemistry #thermodynamics

This Chemistry video describes constant pressure calorimetry for determining the enthalpy of a reaction. Post your comments/questions below and please subscribe. #DrOfEng #Chemistry #thermodynamics

This Chemistry video describes the heat transfer process and thermal equilibrium of two bodies in thermal contact. Post your comments/questions below and please subscribe. #DrOfEng #Chemistry #thermodynamics

This Chemistry video describes energy diagrams and how they are used to describe physical and chemical processes. Post your comments/questions below and please subscribe. #DrOfEng #Chemistry

This Chemistry video describes the difference between endothermic and exothermic processes using several examples. Post your comments/questions below and please subscribe. #DrOfEng #Chemistry

This Chemistry video provides a worked example on the Spectrophotometry and the Beer-Lambert Law. Post your comments/questions below and please subscribe. #DrOfEng #Chemistry

This Chemistry video provides a worked example on how to determine the overall reaction from elementary reactions, the rate law and the units of the rate constant. Post your comments/questions below and please subscribe. #DrOfEng #chemistry #chemicalkinetics

This Chemistry video provides a worked example on first order reactions, half life and the rate of a reaction. Post your comments/questions below and please subscribe. #DrOfEng #chemistry #chemicalkinetics

This Chemistry video provides a worked example on reaction mechanisms and the rate law for a reaction. Post your comments/questions below and please subscribe. #DrOfEng #chemistry #chemicalkinetics

This Chemistry video explains surface catalysis, which is a heterogeneous process that involves covalent bonding between a surface catalyst and reactants. An example is the oxidation of carbon monoxide into carbon dioxide using a platinum sheet. Post your comments/questions below and please subscribe. #DrOfEng #chemistry #chemicalkinetics

This Chemistry video explains acid-base catalysis, which involves covalent bonding between the catalyst and reactants, and the reactant or intermediate loses or gains a proton. A typical example is the acid catalysed hydration of ethylene (C2H4). Post your comments/questions below and please subscribe. #DrOfEng #chemistry #chemicalkinetics

This Chemistry video explains enzyme catalysis. An enzyme (protein or large biomolecule) is a type of catalyst that increases the rate of a reaction many times in a biological organism. Post your comments/questions below and please subscribe. #DrOfEng #chemistry #chemicalkinetics

This Chemistry video explains how catalysts are used to increase the rate of a reaction. Post your comments/questions below and please subscribe. #DrOfEng #chemistry #chemicalkinetics

This Chemistry video describes the energy profile for a multi-step reaction. Post your comments/questions below and please subscribe. #DrOfEng #chemistry #chemicalkinetics

This Chemistry video describes the pre-equilibrium approximation method to determine the rate law for a reaction where the rate determining step is not the first elementary step in the reaction. Post your comments/questions below and please subscribe. #DrOfEng #chemistry #chemicalkinetics

This Chemistry video describes the steady-state approximation method to determine the rate law for a reaction where the rate determining step is not known. Post your comments/questions below and please subscribe. #DrOfEng #chemistry #chemicalkinetics

This Chemistry video describes how the rate law can be determined from the slowest (rate determining) step of a reaction mechanism. In this special case, the elementary reactions are irreversible and the first step is the slowest step. Post your comments/questions below and please subscribe. #DrOfEng #chemistry #chemicalkinetics

This Chemistry video provides an introduction into reaction mechanisms for non-elementary reactions. Post your comments/questions below and please subscribe. #DrOfEng #chemistry #chemicalkinetics

This Chemistry video explains the Arrhenius Equation, which is a model for determining the rate constant based on collision theory. Post your comments/questions below and please subscribe. #DrOfEng #chemistry #chemicalkinetics

This Chemistry video describes the Reaction Energy Profile and Activation Energy for a reaction, which models the process by which reactants are converted into products. Post your comments/questions below and please subscribe. #DrOfEng #chemistry #chemicalkinetics

This Chemistry video describes the conditions required for a reaction to occur using Collision Theory. Post your comments/questions below and please subscribe. #DrOfEng #chemistry #chemicalkinetics

This Chemistry video applies the kinetics of a first order reaction to the radioactive decay of an isotope. Post your comments/questions below and please subscribe. #DrOfEng #chemistry #chemicalkinetics

This Chemistry video derives and equation and describes the half life of a first order reaction. Post your comments/questions below and please subscribe. #DrOfEng #chemistry #chemicalkinetics

This Chemistry video develops a linear equation and graph that describe how the concentration of a reactant varies with time for a Second Order Rate Law. Post your comments/questions below and please subscribe. #DrOfEng #chemistry #chemicalkinetics