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In an electrochemical cell a redox reaction perform in two halves. Electrons are liberated by the oxidation half reaction at one electrode and go through an electrical circuit to another electrode where they are used for the reduction. The cell potential E is the potential difference between the two electrodes have to balance the thermodynamic tendency for reaction, so that the cell is in equilibrium and no electrical current flows. E is related to the molar Gibbs free energy change in the overall reaction according to
where n the number of moles of electrons passed per mole of reaction and F is the Faraday constant (9.6485×104 C mol-1).
formula mass of hemoglobin
A chemical change takes place when one or more substances change into new substances. A chemical change is as well known as a chemical reaction. The emergence of new substances
Ask question the density of 2 molal aqueous solution of NaOH is 1.1.gram/litre. Calculate the molality of solution?
why beryllium cannot be attacked readily by acid
Reaction of ammonia with diborane at 475K gives a compound B3N3H6 known as borazine or borazole: Borazine is best prepared by reducing B-trichloroborazme with sodium borohy
The series of elements involving the filling of 5f-orbitals is called actinoids series. They follow Ac (89) and include the fourteen elements from Th (90) and Lw (103). The chem
Q. Name the various steps required for making water suitable for domestic use. Ans. Treatment process for domestic use S . No . Process use for tr
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The quantum numbers for the outermost electron of an element are given below as n= 1, l=0, m=0, s = 1/2 . The atoms is: (1) Lithium (2) Beryllium (3) Hydrogen (4)
Nucleophilic aromatic substitution reaction The product is formed by a nucleophilic aromatic substitution reaction in which chloride is displaced by hydroxide ion. The product
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