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In an hypnotic drug captodiamine, C21H29NS2 the The sulfur (359.6 g/mole) was converted to sulfate and determined gravimetrically then compute the average mass of captodiamine per tabletb if 0.3343 g of Barium sulfate was recovered.
How does C10H12O2 eugenol combine with Br bromine in CCl4 carbon tetrachloride and concentrated H2SOP4 at the temperature of 20 degrees Celsius?
the kinetic energy of a rolling billiard ball is given by . suppose a 0.17- billiard ball is rolling down a pool table
A 1.245 gram sample of a compound containing barium and oxygen was dissolved in hydrochloric acid to give a solution of barium ion, which was then completely precipitated out with an excess potassium chromate to give 2.012 grams of barium chromate..
Write the chemical equation for the overall reaction. (Part B) Identify any molecule that acts as a catalyst in this reaction. (Part C) Identify any molecule that acts as an intermediate in this reaction.
What is the heat change in J associated with 15 g of solid ethanol at -177 oC changing to gas at 146 oC?
one hundred grams of water is saturated with NH4Cl at 50 degrees celcius. According to table G if the temperature is lowered to 10 degrees celcuis what is the total amount of NH4Cl that will precipitate.
The KHP you used had not been dried. b) When filling the buret with NaOH you left a air bubble in the buret tip.The bubble was released during your first KHP titration.
What volume of O2 at 988 mmHG and 33 degree celsius is required to synthesize 12.5 mol of NO
Use the Beer-Lambert Law to calculate concentration given the following information
Cyclohexanol produces cyclohexene when heated to 70C in the presence of a sulfuric acid catalyst. Write the equation of the reaction.
If the heat of vaporization for Br2 is 29.6 kJ/mol and ΔS° for the vaporization is 88.9 J/mol⋅K, what is the boiling point for bromine?
Calculate the pH at each point listed for the titration of 25.00 mL of 0.1000 M formic acid with 0.1000 M KOH. The points to calculate are Vb = 0.00, 12.50 and 25.00 mL
calculate teh PH of 2.0m NaCN. what is the concentration of HCN in the solution?
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