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An alkyne of six carbon atoms gives the same single product in its reaction either with BH3 in THF followed by H2O2 /OH-, or with H2O/Hg2 /H3O . Draw the structure of the alkyne (containing only carbon and hydrogen atoms).
Find the formal concentration of the acid in each phase when 100 mL of 0.10 M aqueous acid is extracted with 35 mL of octanol at (a) pH 4.00 and (b) pH 9.00.
How much ice (in grams) would have to melt to lower the temperature of 355 mL of water from 24 C to 6 C (Assume the density of water is 1.0g/ml.
A quantity of N2 occupies 62.2 L at a particular temperature and pressure. Its density is 0.900 g/L. How many moles of N2 are in the container?
Assume that this rate remains constant for a short period of time What is A 5.00min after the reaction is started? At what time after the reaction is started will A= 0.565M?
how much heat does your body lose when 2.95g of sweat evaporates from your skin at 25 degrees Cecilius
Calculate the mass of water formed by the complete reaction of 758 g of propane (C3H8) with excess oxygen
Calculate the molarity of the 25.0 mL sample of 0.100 acetic acid which was diluted with 25.00 mL H2O
Calculate the energy produced when 15 grams of liquid methanol (CH3OH) is completely burnt in air to produce carbon dioxide gas
how many grams of nickel would be electroplated by passing a constant current of 7.2 A through a solution of NiSO4 for 90 minutes.
2C4H10 + 13O2 → 8CO2 + 10H2O The equation shows the combustion of butane (C4H10). How many moles of water can be produced by 12.5 moles of C4H10 with excess oxygen.
At 25 degrees Celsius liquid A has a vapor pressure of 100 torr while liquid B has a vapor pressure of 200 torr. The heat of vaporization of liquid A is 32 kJ/mol
Consider the titration of 30mL of 0.030 M of NH3 with 0.030M HCl. Calculate the pH after the following volumes of titrant have been added
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