23 November 2020

Steps in chemical reaction in chemical kinetics

In this clip I am showing chain reactions, in a class demo, using multimedia from the latest edition of the  Physical Chemistry textbook by Laidler, Meiser […]
18 September 2020

The usefulness of Enzymes as Biological Catalysts

Fall is creeping into my part of the world; harvest is in full swing and my thoughts are turning now to large dinners with ham, turkey […]
12 September 2020

Enzyme Catalysis in Chemical Transformations

Enzymes are the catalysts of biological systems. They are remarkable molecular designs that determine the pattern of chemical transformations. The most striking characteristics of enzymes are […]
6 July 2020

Chemical Reactions; What? How much? How fast?

When dealing with chemical reactants, three important questions are usually asked. (1)    What product(s) can be made, (2)    How much can be made and (3)    How […]
29 June 2020

Kinetic law says ‘last will be first’

Reactions are usually complex events. Bonds are broken, formed, stretched and atoms driven by enthalpy and entropy in their marvelous path. From reactants to products, and […]

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