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Allene, H2C--C--CH2, is somewhat unusual in that it has two adjacent double bonds. Draw a picture showing the orbitals involved in the sigma and pi bonds of Allene. Is the central carbon atom sp2- or sp-hybridization? What about the hybridization of the terminal carbons? What shape do you predict for allene?
If you take a 67.5 mL portion of 1.98 M. NH3 stock solution and dilute it to a total volume of 0.600 L, what will the concentration of the final solution be?
160 mL that contains 400 mg of NH3 and 980 mg of NH4NO3. (Given: Kb (NH3) = 1.8 x 10-5
Since the freezing point of a solution depends on the number of particles, what would you expect the freezing point of 0.1 m solutions of aqueous NaCL and BaCl2?
Perform whatever separations and tests you think necessary to determine which ions are in fact present
Which reaction below could not be used to create C-C bonds?
what is the pH of a buffered sysem made by dissolving 17.42 g of KH2PO4 and 20.41 g of K2HPO4 in water to give a volume of 200.0 mL
Calculate the osmotic pressure of the mannitol solution of part( b ) when it is measured against pure water, and compare it withthe osmotic pressure of the ideal solution.
write the balance the eguation fot the neutralization reaction between H2 SO4 KCH
A 275 mL sample of vapor in equilibrium with 1-propylamine at 25.0C is removed and dissolved in 0.500L of H2O.For 1-propylamine, pKb= 3.43 and the vapor pressure = 316 torr.
A gas bottle contains .65 mol of gas at 730 Hg pressure. If the final pressure is 1.15 atm, how many moles of gas were added to the bottle?
The Standardized solution of NaOH is used to titrate a solution of HCI. Write the balanced equation for this reaction. Calculate the molarity of the HCl solution.
a solution is made by dissolving 20.0 mL CH3CN. what is the mole fraction of methanol in the solution?
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