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Benzyl bromide is converted into benzaldehyde by heating in dimethyl sulfoxide. Propose a structure for the intermediate, and show the mechanisms of the two steps in thereaction.
how many moles of H2SO$ must eb used to produce 6.5 mol of water..?? Someone posted this question before and somehow NaOH
Colligative properties are independent of the type of electrolytes in solution. suppose that in a solution system, a semipermeable memebrane is used to separate a sucrose-water solution from its pure solvent, water
Ionic compounds have much higher melting and boiling points than covalent compounds, even though covalent bonds are just as strong as ionic bonds. Explain why (please include a thorough explanation).
Calculate the amount of solution that contains 8.0g calcium cloride (CaCl2) from 35% solution of CaCl2?
draw the Lewis structure with all bonds and lone pairs (b) indicate directions in all bond dipoles (c) indicate the molecular dipoles and (d) indicate the shape of each molecule.
What is the rate law of the reaction? b) What is the rate constant for this reaction at 64 degrees Celcius? c) At 64 degrees Celcius if the initial concentration of N2O5 is 0.048 M, how long will it take to drop to 0.024 M?
Define why water spontaneously freezes to form ice below 0 even though the entropy of the water decreases during the state transition. Explain why is the freezing of water not spontaneous above 0
The electrolysis of molten A12O3 at 980 ºC is used to produce metallic aluminum. A current of 520 A is used in the electrolysis cell. What is the rate of formation of aluminum
How many liters of the antifreeze ethylene glycol [CH2(OH)CH2(OH)] would you add to a car radiator containing 6.50 L of water if the coldest winter temperature in your area is -20°C?
A buffer was prepared by adding 2.4 g of ammonium nitrate to 100 mL of 0.30 M ammonia (Kb = 1.8 x 10^-5). To this solution was then added 10.0 mL of 0.30 M sodium hydroxide, what is the new pH
an analytical chemist has determined by measurements that there are moles of magnesium in a sample of talc. how many
The half-life of tritium (31H) is 12.3 years. If 47.0 mg of tritium is released from a nuclear power plant during the course of a mishap, what mass of the nuclide will remain after 24.6 years?What mass of the nuclide will remain after 98.4 years?
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