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Explain and Define standard feat of formation
Ans) The amount of heat liberated of absorbed when single mole of compound is formed in its standard state from its elements in their standard state is known as standard heat of formation ( Hf *)
how do you calculate the concentration of hcl solution if you are the mass of sodium carbonate and the volume of its solution and the volume of the pipetted solution and the volume
1. Write an easy on the classification of Phylum Protozoa, a large phylum comprising approximately 50,000 species. (10marks)
I''ve got a project on ''Chemicals In Medicine'' and i need guidance as i cannot figure out how to conclude my project.Would you please help me ? I hope you''ll pay heed to my earn
methods of purification of organic compounds with diagrams ..
Valence electron of pd Pd has ten valence electrons in the neutral atom. There are no charges and no X-type ligands in the complex; as, this is a d 10 complex.
what are metallic conduction
Which of the following are isoelectronic and isostructural NO - 3 , CO 2- 3 ,ClO - 3 , S O 3 (1) NO - 3 , CO 2 - 3 (2) SO 3 , NO- 3
Q. Explain Extraction of Sulphur? The most important method for the extraction of sulphur from native deposits is the frasc process developed by Herman frach in 1891. It consis
Physical properties of Halo-arenes (i) Physical state: they are colourless liquid or crystalline solid. (ii) Solubility: Halo-arenes are not soluble with water, but dissolve
You make up 0.100 L of a buffer having 1.00 M acetic acid and 1.10 M sodium acetate. The Ka of acetic acid is 1.8 x 10-4. (a) Determine the pH of this buffer.
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