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  1. P

    chemistry p22 help!!

    02 may june 2.Ethanol, C2H5OH, is a most important industrial chemical and is used as a solvent, a fuel and an intermediate in large scale organic synthesis. Ethanol is prepared industrially by the reaction of ethene and steam in the presence of a catalyst. C2H4(g) + H2O(g) → C2H5OH(g) The...
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    chemistry p22 help!!

    08 october q5.An organic ester, B, has the empirical formula C2H4O. An experiment by a student in a college gave a value of 87.5 for Mr of B. (b)In the boxes below, draw the structural formulae of four isomers of B that are esters. The student hydrolysed his sample of B by heating with aqueous...
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    chemistry p22 help!!

    u r very nice. thank u so much.
  4. P

    post your Physics and Chemistry querries

    it really helps!!!thank u so much....
  5. P

    post your Physics and Chemistry querries

    october 08 2a)i)suggest values for the H-C-H and C=C=O bond angles in ketene?
  6. P

    chemistry p22 help!!

    07/on b)ii) (ii) Draw sketches to show orbital overlap that produces the σ bonding in the H2 and HCl molecules. thx!!
  7. P

    post your Physics and Chemistry querries

    urgent help plz.!!! 06/o/n Glycollic acid HOCH2CO2H and lactic acid CH3CH(OH)CO2H each give the reactions of an alcohol group and of a carboxylic acid group. Each compound will react with the other to give an ester. (e) When one molecule of glycollic acid reacts with one molecule of lactic...
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