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Taxol Paclitaxel (Taxol) is a drug used to treat several different forms of cancer Discovery In 1960, the American National Cancer Institute (NCI) conducted analysis of several plant materials Pacific yew tree bark showed good activity against certain kind of cancer The obtained material was then fractioned using multi-step portioning and then a pure extract…

A-Level Objectives for Chemical Equilibria

A-Level Objectives for Chemical Equilibria

 7.1 Chemical equilibria: reversible reactions; dynamic equilibrium a) explain, in terms of rates of the forward and reverse reactions, what is meant by a reversible reaction and dynamic equilibrium b) state Le Chatelier’s principle and apply it to deduce qualitatively (from appropriate information) the effects of changes in temperature, concentration or pressure on a system at equilibrium c) state whether…