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A 0.868 g sample of an unknown acid requires 32.8 mL of a 0.180 M barium hydroxide solution for neutralization. Assuming the acid is diprotic, calculate the molar mass of the acid
show the base-catalyzed condensation and dehydration products from aldol condensation of propanal
When the temperature is increased from 164.5°C to 179.0°C, the rate constant increases by a factor of 4.27. What is the activation energy of this oxidation reaction?
An extraction procedure specifies that an aqueous solution containing dissolved organic material be extracted twice with 10-mL portions of diethyl ether.
Some solid trisodium phosphate, Na3PO4, is added to the solution that is formed by mixing 1L of .002 M Al(NO3)3 and 1L of .004 M CaCl2. Which one is going to precipitate first,
how many grams of carbon dioxide are produced when 23.5 g of propanal react with excess oxygen in a combustion reaction
How much heat (in {rm kJ}) is evolved in converting 1.00 mol of steam at 140.0 C to ice at -55.C? The heat capacity of steam is 2.01J/g* C and of ice is 2.09 j/g* C.
Did enzyme denaturing affect the active site? what amino acid residue in catalase would change by more basic PH
Calculate the pH for each of the following cases in the titration of 50.0 mL of 0.120 M HClO(aq) with 0.120 M KOH(aq).
If replacing magnesium with an equal weight of sodium, how would the enthalpy of the reaction changed?
What is the silver ion concentration in a solution prepared by mixing 357 mL of 0.392 M silver nitrate with 469 mL of 0.504 M sodium phosphate?
If an automobile is able to travel 224 mi on 10.0 gal of gasoline, what is the gas mileage in km/L
What is the new pressure, in atm,when the air is placed in tanks that have the following volumes, if there is no change in temperature and amount of gas?
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