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explain zone refining method of purification of silicon
The equilibrium constant Kp=4 at 1993K for the reaction H2+CO2->H2O+CO. INitially H2 and CO2 having 0.8 moles were injected in 5l flask. Find equilibrium concentration of CO2.
Why do the hydrides of O and F in group 16 and 17 respectively show abnormally high melting points and boiling points as compared to other hydrides in their respective groups? Expl
Most ligands have a nonbonding electron pair that may react as a donor to empty orbitals on the metal atom. In ligands known as π acids or π acceptors a donor-acceptor communic
How can you classify matter in a easy to remember way?
Use the VSEPR model to predict approximate molecular geometries and electron-domain for the following species. (a) XeF 2 , (b) NH3Cl + , (c) BrO2 -
Limitations of flame photometry: The limitations of the techniques involve the following. The low temperature of the natural gas and air flame limits a method to simply
Chemical reactivity of alkynes - Hydrocarbon C Ξ C is less reactive as compared to the carbon-carbon double bond in the direction of electrophilic addition reaction. This is re
Explain the un-ionized form of vanillin It is the un-ionized form of vanillin that has the typical odor. In NaOH solution, the phenol group ofvanillin ionizes to its conjugate
reversible and irreversible cell with example
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