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(a) Which primary alcohol of molecular formula C5H12O cannot be prepared from an alkene? Why?
(b) Write equations describing the preparation of three isomeric primary alcohols of molecular formula C5H12O from alkenes.
(c) Write equations describing the preparation of the tertiary alcohol of molecular formula C5H12O from two different alkenes.
The standard free energy change for a chemical reaction is +21.9kJ/mole. what is the equilibrium constant for the reaction at 87 degrees?(R=8.314J/K mole.
Calculate the force of attraction between a cation with a valence of +2 and an anion with a valence of -2, the centers
For an aldol reaction, the key step is the attack on the partially positive carbonyl carbon by a nucleophile. Rank benzaldehydes by their reactivity in an aldol reaction.
At the anode in a galvanic cell (voltaic cell), a. electrons are accepted b. electrons are produced AND oxidation takes place c. electrons are produced d. oxidation takes place e. reduction takes place
a urine sample contains 46.5mgl-1 of ethanol. the density of ethanol is 0.79gcm-3. what is the concentration expressed
The diameter of the cylinder is 0.5m. and the piston height is 1m. a.what is the mass of the weights on the cylinder? b.You heat the gas to 1000k. how high will the cylinder rise? c.How much work will the engine provide?
The boiling point of water is 100.0 degrees C at 1 atm. How many grams of calcium chloride(111.0 g/mol CaCl2), must be dissolved in 231.0 grams of water to raise the boiling point by .350 C. Kbp(water) = 0.512 C/m
How many milliliters of 0.200 M NaOH will be required to titrate 19.6 mL of 0.479 M H2SO4
25 lbs of propane are held in a sealed container at 350 psia. The volume of the container is 3 ft3. Calculate the weight and volumes of the two phases in the container.
The flask is opened and more gas is added to the flask. The new pressure is 795 mm Hg and the temperature is now 26 °C. How many mol of gas are in the flask?
Calculate the pH if 0.100 M NaOH is added to 1.00 L of a buffer solution that is 0.400 M HCOOH and 0.100 M HCOONa. (Ka for HCOOH = 1.77 x 10-4)
Write a reaction mechanism for the adol condensation reaction betweeen p-anisaldehyde
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