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Separation of acidic, basic & neutral substances in solutionDraw a flow sheet to show how you would separate the components of a mixture containing and acid substance, toluic acid, a basic substance, p-bromo-aniline, and a neutral substance, anthracene.
What are the major differences between "theories", "hypotheses" and "laws". What is an example that would explain them.
What might you conclude about the structures of these 3 (X,Y,Z)compounds?
Chemistry: Reaction between Sodium Bicarbonate and Citric Acid, Question: The fizz produced when an Alka Seltzer© tablet is dissolved in water is due to the reaction between sodium bicarbonate and citric acid, according to the following equation:
How much HCl gas can be produced at STP by reacting 198 g of NaCl with excess H2SO4?NaCl + H2SO4 ! NaHSO4 + HCl.
What mass of sucrose should be combined with 464g of water to make a solution with an osmotic pressure of 8.60atm at 280K? (Assume the density of the solution to be equal to the density of the solvent.)
if a .512g sample of sodium carbonate requires 25.3 mL of a sulfuric acid solution to reach the end point for the reaction, what is the molarity of the sulfuric acid.
Find out the amount of energy released by this process of fission of a single U 235 atom and expree your answer in joules?
A 270- flask contains pure helium at a pressure of 755 . A second flask with a volume of 485 contains pure argon at a pressure of 727 torr.
Hydrogen gas is contained in a one-liter vessel at "STP"(0 degrees Celsius and 1 Std. Atm.). Flourine gas is contained in a second one-liter vessel at the same conditions of temperature and pressure.
0.10 mol of argon gas is admitted to an evacuated 50cm^3 container at 20C. The gas then undergoes an isobaric heating to a temperature of 300C.
Compute the molecular formula of CH 3 COOH the percent composition of acetic acid is 39.99% C and 6.73% H. The remainder of the compound is oxygen.(The molar mass of acetic acid is 60.06 g/mol.)
The heat of solution of ammonium chloride is 15.2 kJ/mol. If a 6.253 g sample of NH4Cl is added to 65.0 mL of water in a calorimeter at 26.9°C.
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