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Many acid-catalyzed reactions begin with the protonation of the reactant. Draw the electron flow arrow(s) in the following reaction mechanism that shows this process. (Use electron-flow arrows to indicate the movement of electrons in the template to the left of the reaction arrow, then modify the template to the right of the reaction arrow to show the resulting product(s). Assign lone pairs, radical electrons, and atomic charges where appropriate. Do not add atoms to or remove atoms from the template.)
A standard basketball has a volume of 7.47 L. What is the volume of the basketball in gallons? The speed limit on many United States highways is 65.0 miles per hour
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)
If 5.0 mL of . 85 M bleach solution is combined with 45.0 ml of .1 mM dye soultion at 30 degrees celcius, what will bre the therorectical concentration of dye in the reaction mixture after 60 seconds
What is the density of a block of marble that occupies 253 cm and has a mass of 752 g? Answer in units of g/cm
at 25 degc the equilibrium partial pressures for the following reaction were found to be pa 8.00 atm pb 5.40 atm pc
What is the density of lead (in g/cm^3) if a rectangular bar measuring 0.500 cm in height, 1.55 cm in width, and 25.00 cm in length has a mass of 220.9 g?
A titration experiment requires 16.5 mL of 1.58 M HCl to reach the endpoint with 25 mL of LiOH. What is the molarity of the LiOH solution
10.0 L gas cylinder is filled with 5.20 moles of gas. The tank is stored at 1 C. What is the pressure in the tank?
Calculate the Ksp for Na2B4O5(OH)4 from this data. d. What is the free energy change for the dissolution of Na2B4O5(OH)4 at this temperature?
What is the buffer-component concentration ratio, [NO2- ]/[HNO2], of a buffer that has a pH of 2.90 ? Ka of HNO2 = 7.1 x 10-4.
calculate the mass of material required if 1500 calories of energy causes a change from -27 degrees fahrenheit to 91
For each pair of compounds below, indicate the more reactive in the type of mechanism specified. Briefly state why. Explain the smallest molecular dipole moment
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