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Question- What is the mechanism for hydroquinone dimethyether + 2) 2-methyl-2-propanol in h2so4? To give 1,4-di-tert-butyl-2,5-dimethoxybenzene
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The activation energy of a certain reaction is 52.9 kJ/mol. How many times faster will the reaction occur at 35 degrees C than at 25 degrees C
At room temperature 22.0 C the vapor pressure of benzene is 0.302 atm and the vapor pressure of hexane is 0.374 atm. What is the total vapor pressure at room temperature for a 2:1 mixture of hexane to benzene
Calculate the volume of reagent required for each reaction in this lab sequence, assuming the tarting mass of copper used is 1.00g. Concentrations of reagents are
Calculate the molar solubility of AgBr in a 1.00 M aqueous solution of ammonia. Then calculate the solubility of AgBr in pure water, and compare the two solubilities. (Ksp for silver bromide is 7.7x10 -13 and Kf for Ag(NH3)2+ is 1.6x10^7)
208.4 kj of energy removes one mole of electrons from the atoms on the surface of rubidium metal; if rubidium is irradiated with 254-nm light, what is the max kinetic energy the released electrons will have
State in the proper coefficient for each of the species involved in the overall reaction. Water molecules and protons are not shown in the half-reactions, however may be needed in the overall reaction.
At equilibrium, the concentrations in this system were found to be [N2] = [O2] = 0.100 M and [NO] = 0.400 M. If more NO is added bringing its concentration to 0.700 M explain what will the final concentration of NO be after equilibrium is re-establ..
Tetraphosphorousdecaoxide reacts with water to produce phosphoric acid. P4O10 + H2O H3PO4. Balance the equation.
Calculate ΔG° at 25°C for the redox rxn between Sn4+ and Fe that takes place in a voltaic cell if E°cell= 0.60V. The rxn is: Sn4+(aq) + Fe(s)→ Fe2+(aq) + Sn2+(aq)
Chemical Structure and Hydrogen Bonds in Base Pairs, Draw the chemical structure of a correctly base paired G-C pair, then re-draw the pair with a propeller twist these answers should all be on one page following box 'G'
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In this experiment we reduced methylene blue with ascorbic acid using HCl as a catalyst. Given that the half reaction for the reduction of methylene blue is MB+(ox) +2H +2e ----->MBH2(red) (potential = 100 mV)
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