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An equilibrium mixture of propanoic acid (propionic acid), CH3CH2COOH, and its conjugate base has a pH of 4.87. Draw the form that predominates after H3O is removed from the equilibrium mixture. The pKa of propanoic acid is 4.87. Draw the structural formula with any appropriate formal charges and hydrogen atoms.
Amides undergo hydrolysis to carboxylic acids on treatment with alkali. Diagram a suitable mechanism for the conversion of benzamide to benzoic acid
Iron can be prepared by the reaction of Fe2O3 with carbon according to the equation: 2Fe2O3(s) + 3C(s) 3CO2(g) + 4Fe(s) If 401 g Fe2O3 and 205 g C are heated together, how many grams of iron could be produced?
How many moles of CO2 will be produced in the combustion reaction starting with the 15.02 grams of ethane.
A 774 mL gas sample at STP is compressed to a volume of 267 mL, and the temperature is increased to 32C. What is the new pressure of the gas in Pa? Answer in units of Pa.
Zinc chloride (ZnCl2) is 52.02% chlorine by mass. What mass of chlorine is contained in 66.0 g of ZnCl2?
The label on an aerosol spray can contains a warning that the can should not be heated to over 130°F because of the danger of explosion due to the pressure increase as it is heated.
How many grams of dry NH4Cl need to be added to 1.80 L of a 0.800 solution of ammonia, NH3, to prepare a buffer solution that has a Kb of 8.87? for ammonia is 1.8E-5.
The system H2 (g) + I2 (g) ?? 2 HI(g) is at equilibrium at a ?xed temperature with a partial pressure of H2 of 0.200 atm, a partial pressure of I2 of 0.200 atm, and a partial pressure of HI of 0.100 atm.
Phosphorus-32 has a half-life of 14.0 days. Starting with 8.00 g of 32 P, how many grams will remain after 112 days?
7.65.50 mL of 0.161 M HF is titrated with 0.1200 M NaOH. What is the pH after 65.50 mL of base have been added? (Ka for HF is 6.8 x 10-4)
A 2.50-L container is filled with 187 g argon. If the pressure is 10.0 atm, what is the temperature?
Celsius and heated to the temperature of 275 degree Celsius at a constant pressure of 0.975 atm. compute the work done?
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