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Aliphatic 3o amines with three different groups on nitrogen can be resolved. True or false? and
To separate a mixture of p-toluidine and p-nitrotoluene dissolved in ether,extract the ether solution with aqueous HCl and treat the water layer with aqueous NaOH.True or False
The final temperature of a mixture of solution prepared by dissolving 2.50 gram of NaOH in 75.0 mL of water (both initially at 25 degrees C) increases to 25.5 degrees C. Is this process exothermic or endothermic. What is the enthalpy of solution o..
Problem- Write the overall equation for the reaction of HI (hydroiodic or hydroidic, acid) and potassium hydroxide. Include phases and states in your equation.
Once equilibrium is reached, the final temperature of the water-metal mixture is 28.2oC. What is the identity of the metal
The average kinetic energy of the molecules in a gas sample depends only on the temperature, T. But given the same kinetic energies, a lighter molecule will move faster than a heavier molecule.
Use the information given to determine the ?Hof of NO(g) in the reaction below. 4NH3(g) + 5O2(g) ? 4NO(g) + 6H2O(g) ?Horxn = -902.0 kJ (NH3(g) ?Hof = -45.9 kJ/mol; H2O(g) ?Hof = -241.8 kJ/mol)
What is the concentration of the chloride ion (in M) in a solution which contains 57.6 g aluminum chloride in 501 mL of solution
other animals have similarly adapted to using small molecules as allosteric effectors to encourage hemoglobin to
Calculate the percent composition of copper in the hydrate CuSO4.5H2O based on atomic weight data.
If oxygen gases were collected over water at 20o C as well as the total pressure of the wet gas were 670 mm Hg, what would be the partial pressure of the oxygen
1-Napthaleneacetic acid is not soluble in water at room temperature but goes into solution readily when heated.
Calculate the energy (E) change associated with this transition. Also calculate the frequency (v), and wavelength of light which have this same energy and indicate whether light is emitted or absorbed in the process. Include all units and show wor..
What is the volume occupied by one mole of helium at 0°C and 1 atm pressure?
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