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Describe why SEAr reactions of toluene lead to ortho and para products while SEAr reactions of benzaldehyde lead to only meta products. Use convincing mechanistic arguments and show all important structures or resonance forms to support your explanations.
If a mixture of acetone(MW 58.1, dens. 0.791 g/ml) and toluene(MW 92.1, Dens. 0867 g/ml) is 1:1 by volume, what percent is each by moles
Calculate the frequency (Hz) of the photon absorbed when the electron goes from a n= 3.00 energy level to a n= 4 energy level. Express answer in scientific notation.
How to do I calculate the pH of original buffer given mass of NaC2H3O2*H2O (FW =136 g/mol) = 3.507 gafter measuring out 8.8 mL of 3.0 M acetic acid to add to the beaker containing the sodium acetate. Then put in 55.6 mL of distilled water with the..
75.0 ml of a solution1.40 m is diluted to a volume of 278 ml. a 139-ml portion of that solution is diluted using 111 ml
A solution of ammonia and water contains 3.00×10^25 water molecules and 5.80×10^24 ammonia molecules. How many total hydrogen atoms are in this solution?
Calculate the vapor pressure of the solution at 25oC when 12.43 grams of testosterone, C19H28O2 (288.4 g/mol), are dissolved in 246.7 grams of diethyl ether.
The temperature is 2200 oC inside the lightning bolt, the bolt lasts long enough for all three species to reach equilibrium at that temperature, and the pressure of NO is 0.001 atm at equilibrium. Calculate the standard free energy change ΔGo for ..
Calculate the total concentration of lead for a system containing a fixed concentration (0.01 M) of KI. Note (s) denotes solid and (aq) denotes aqueous
85.0 mL of H2O is initially at room temperature (22. 0C). A chilled steel rod at 2.0 C is placed in the water. If the final temperature of the system is 21. 0C
A chemistry graduate student is designing a pressure vessel for an experiment. The vessel will contain gases at pressures up to 210.0 MPa.
What is the cell diagram for the spontaneous cell involving the Fe3+ | Fe2+ (0.771V) half cell and the Zn2+ | Zn (-0.763 V) half cell. a. What is the cell diagram. b. Write the net redox equation c. What is E°cell
Solid boron can be extracted from solid boron oxide by retain with magnesium metal at high temperature. A second product is solid magnesium oxide. a) write the balanced equation for the reaction.
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