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What is the volume of a container that contains 12.4g of a substance having a density of 0.898g/cm3?
Calculate the energy and wavelength associated with an a particle that has fallen through a potential difference of 4.0 V.
A precipitate of calcium phosphate is in contact with 653.9 mL of water. How many grams of calcium ion are present in the solution
The boiling point of chlorform CHCL3 is 61.70 degrees C at 1 atmosphere. A nonvolatile, nonelectrolyte that dissolves in chloroform is aspirin
containing helium gas at a pressure of 31.1 atm is used to fill a weather balloon in order to lift equipment into the stratosphere. To what maximum pressure (in atm) could a 151 L balloon be filled.
Establish the equilibrium K values for a distillation system to separate diisopropyl benzene from a mixture of heavy aromatics, the major component in the heavy aromatics is diphenyl propane. Other non key components are triisopropyl benzene, cume..
Hexachlorophene is used as a disinfectant in germicidal soaps. What mass of hexachlorophene (molar mass = 406.9 g/mol) must be added to 125 g of chloroform to give a solution with a boiling point of 62.60°C?
Describe how soap works, include a drawing of a micelle in your description. Describe the difference between saturated and unsaturated fats. How can you as a consumer tell one from the other?
dissolved in 200 mL of solution. What is the pH of the solution? pKa1 = 6.37 and pKa2 = 10.25.
A compound has 2 ionizable groups, with pKas of 6.2 and 9.5. A 1.0 M solution of this compound (100 mL total volume) is found to have a pH of 6.8. A biochemist adds 60 mL of 1.0 M HCl to this solution. The solution pH is now:
Which one of the following is not a redox reaction?
A blank titration of 10mL of similar solution containing no oxalic acid required 0.04mL to exhibit dectectable color. Find the concentration of oxalic acid in the unknown
provide a specific step by step mechanism ( with curved arrow notation) for the conversion of 4-hydroxybutanal to 4-chloro-1-butanol, and then from 4-chloro-1-butanol to tetrahydrofuran.
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