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Ethanol (C2H6O), the intoxicant in alcoholic beverages, is also used as a precursor of many other organic compounds. In acid solution, ethanol forms diethyl ether (C4H10O): 2 C2H6O --> C4H10O + H2O If 50.0 g of ethanol yields 33.9 g of diethyl ether, what is the percent yield for the reaction?
Use resonance structures to show which three carbon atoms bear the unpaired electron.
What is the pH of a solution which results from mixing 150 mL of 0.50M acetic acid and 150 mL of 0.50M sodium hydroxide at 25oC?
Calculate and indicate values of nonzero formal charges. Based on formal charges, circle the preferred structure.
Calculate the number of grams of aluminum required to prepare 500.0g of chromium metal.
Consider the following reaction. N2 + 3H2 ->2NH3 . 28.0 grams of N2 and 5.04 grams of H2 are reacted, producing 17.8 grams of NH3. What is the percent yield?
Why would we obtain the same equation of state for linear molecules and non-linear molecules ( that is, taking rotations and vibrations into account?
If the mass of NaCl is 11.69 g. What would be the number of moles of all solutes (including cations and anions)
You have a 4 L bottle of sulfuric acid solution. You take 50.0 mL of this H2SO4(aq) solution and titrate it to the endpoint with a 0.10 M NaOH solution. If the volume of NaOH solution needed is 60.0 mL, the concentration of the sulfuric acid (H2SO..
The pKa's of benzoic acid and 4-nitroanilinium hydrochloride are 4.2 and 1.0, respectively.
calculate the quantity of heat produced when 19.0g of propane is completely combusted in air under standard conditions. Assume that liquid water is forming.
Two 20.0-g ice cubes at -21.0 °C are placed into 235 g of water at 25.0 °C. Assuming no energy is transferred to or from the surroundings, calculate the final temperature of the water after all the ice melts.
Classify the substances according to the strongest solute-solvent interaction that will occur between the given substances and water during dissolution.
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