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In chemistry and biochemistry, the Henderson–Hasselbalch equation = + ([] []) relates the pH of a chemical solution of a weak acid to the numerical value of the acid dissociation constant, K a, of acid and the ratio of the concentrations, [] [] of the acid and its conjugate base in an equilibrium.
Abbot's Kitchen chemistry laboratory in Oxford Detail of a wood engraving by W. E. Hodgkin of 1855 showing the Abbot's Kitchen. The Abbot's Kitchen in Oxford, England, is an early chemistry laboratory based on the Abbot's Kitchen at Glastonbury Abbey, a mediaeval 14th-century octagonal building that served as the kitchen at the abbey.
Ab initio quantum chemistry methods are a class of computational chemistry techniques based on quantum chemistry that aim to solve the electronic Schrödinger equation. [1] Ab initio means "from first principles" or "from the beginning", meaning using only physical constants [2] and the positions and number of electrons in the system as input.
In natural and social science research, a protocol is most commonly a predefined procedural method in the design and implementation of an experiment.Protocols are written whenever it is desirable to standardize a laboratory method to ensure successful replication of results by others in the same laboratory or by other laboratories.
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The design was based on the Abbot's Kitchen at Glastonbury and it adopted the same name despite being a laboratory. The building was one of the first ever purpose-built chemical laboratories anywhere and was extended in 1878. The Abbot's Kitchen in Oxford was expanded considerably in 1957 to become the main Inorganic Chemistry Laboratory (ICL). [5]
Such a calculation in the Gaussian and Spartan programs also give the MP2 and MP4 energies which are also used. The effect of polarization functions is assessed using an MP4 calculation with the 6-311G(2df,p) basis set. The effect of diffuse functions is assessed using an MP4 calculation with the 6-311+G(d, p) basis set.
Clair Cameron Patterson (June 2, 1922 – December 5, 1995) [1] was an American geochemist.Born in Mitchellville, Iowa, Patterson graduated from Grinnell College.He later received his Ph.D. from the University of Chicago and spent his entire professional career at the California Institute of Technology (Caltech).