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1) Which absorption band is more intense; a band due to a single S-O bond or a band due to a single Si-C bond? 2) Compound A (C21H32) decolorizes a solution of bromine in CCl4. In the presence of Pt and excess H2 compound A undergoes conversion to compound B (C21H40). How many rings does compound A possess? If you could walk me through these
Give Structures- Indentify unknown organic liquids, An unknown organic liquid, A, was found to burn with yellow, sooty flame and give a positive Lucas test (about 5 min). Upon treatment with sodium dichromate-sulfuric acid solution it produced Comp..
A 235mL solution is prepared with 41.8 millimoles of an unknown sodium salt of a deprotonated organic acid (NaX). If the solution has a pH of 8.05, what is the pKa of the acid?
Density and Identity, The mass of 5.00 mL carbon tetrachloride is 7.97g. What is the density of the carbon tetrachloride?
how many milliliters of 0.54M HCL solution are needed to react completely with 4.6g of zinc to form zinc (II) chloride?
explain in molecular terms, whether evaporation rate of a liquid is constant or varied in the presence of changing ambient air pressure.
you just need to find out Which Substance (given) will be to fall to the bottom of the beaker by combining them with H 2 O In A Beaker?
How much energy would be required to melt 48 g of HCl at its melting point of -110.8C? Hfus for HCl is 14.2 cal/g and Hvap for HCl is 98.7 cal/g.
Octane has a density of 0.692 g/mL at 20 degrees Celsius. How many grams of O2 are required to burn 1.00 gal of C8H18?
Calculate the mass of Cu(NO3)2·3H2O needed to prepare 50.0mL of a 0.50 M Cu(II) solution?
calculate the molarity of an aqueous NaOH solution if 32 mL of it is required to titrate .6789 grams of oxalic acid to a phenolphthalein end point.
An aqueous solution of KI has a freezing point of -1.70 C and an osmotic pressure of 26.5 atm at 25.0 C. What is the density ?
An element has two isotopes with masses of 62.9396 u and 64.9278 u,and 30.83% of the atoms are the heavier isotope. Calculate the atomic mass of this element and give its name and symbol.
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