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An organic compound was synthesized & a sample of it was analyzed & found to contain only C, H, N, O, & Cl. It was observed that when a 0.150g sample of the compound was burned it produced 0.138g CO2 & 0.0556g H2O. All the nitrogen in a different 0.200g sample of the compound was converted to NH3, which was found to weigh 0.0238g. Finally the chlorine in a 0.125g sample of the compound was converted to Cl- and by reacting it with AgNO3, all the chlorine was recovered as the solid AgCl. The AgCl, when dried was found to weigh 0.251g. What is the empirical formula of this compound?
interpret and explain the information on the herbicide label including the use of pictograms and supplemtary
a 62g piece of ice at 0 degree celsius is added to a sample of water at 9 degree celsius. all of the ice melts and the
Acid chlorides are used as electrophiles in the Friedel-Crafts reaction to prepare aromatic ketones. The reaction involves the transfer of an aromatic hydrocarbon with an acyl chloride in the presence of a lewis acid
What is the nature of the forces of attraction in it. Explain in terms of their structures why each of the following pairs of substances have very different chemical and physical properties
The valve connecting a 2.93 L bulb containing a oxygen gas at a pressure of 2.94atm, and a 9.27 L bulb containing carbon dioxide gas at a pressure of 4.52 atm
A mixture of CaCO3 and (NH4)2CO3 is 60.7% CO3 by mass. Find the mass percent of CaCO3 in the mixture.
One of the strongest "weak" acids is chloric acid. Its Ka is 1.0. What is the pH of a 0.75M solution of HClO3
How do you find the limiting reactant in an equation. Also, why is the amount of grams of each reactant not the proper way to determine the limiting reactant
in a calorimeter 10.0 g of ice melts at 0 oc. the enthalpy of fusion of the ice is 334 jg. how much heat was
What kinds of compounds are suitable to be separated and analyzed by TLC. gases volatile liquids solids two of the above(which) all of the above
What volume of ethylene glycol (C2H6O2), a nonelectrolyte, must be added to 12.7 L of water to produce an antifreeze solution with a freezing point of -34.6°C? (The density of ethylene glycol is 1.11 g/cm3, and the density of water is 1.00 g/cm3.)
For H3PO3, Ka1 = 1.0x10- 2and Ka2 = 2.6x10-7. Calculate a value for the [H2PO3] in a 0.500 molar solution of H3PO3
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