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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?
hydrazine derivatives are commonly used in rocket fuels. combustion of n2h4 produces n2g and h2og. when 1.00 g of n2h4
sodium metal reacts violently with water to produce aqueous sodium hydroxide and hydrogen gas. calculate the enthalpy change for this reaction.
determine the equilibrium concentrations of all the species when 1 mole of h2 and 1 mole of i2 are placed in a 10-liter
draw a dot and cross diagram to show the bonding in ch2f2. your diagram only needs to show the outer shell
A particular x-ray has a wavelength of 1.6 Å. Calculate the energy (in J) of one photon of this radiation. J
What chemical tests might be used to ditinguish between pentanal and 2-pentanone; between benzyl alcohol and diphenylmethanol?
A quantity of 4.00 102 mL of 0.600 M HNO3 is mixed with 4.00 102 mL of 0.300 M Ba(OH)2 in a constant-pressure calorimeter of negligible heat capacity. The initial temperature of both solutions is the same at 18.76°C. What is the final temperature ..
Write an equation for the dissociation that occurs when NaCl is mixed with water. Calculate the effective molality for the NaCl mixture. 120 g of salt and 600 g of H2O
Calculate the cell potential for a galvanic cell made from an iron electrode in a 1.75 M solution of Fe(NO3)2 and a silver electrode in a 5.00 x 10-3 M solution of AgNO3 at 298 K. Eºcell
acetylene gas c2h2 is produced by adding water to calcium carbide cac2.cac2s 2 h2ol rarr c2h2g 2 caoh2aqdetermine how
She goes to the stockroom and finds a 100-g bottle of the anhydrous salt, which costs $14.00, and a 500-mL bottle of a 1-M solution, which cost $12.50. Which source provides the most economical way of making the solution
After purifying your product, you collect 8.69 g. Calculate the percent yield of the alum.
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