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The Ka of a monoprotic weak acid is 5.81 × 10-3. What is the percent ionization of a 0.147 M solution of this acid?
An organic compound is quite polar and is thus much more soluble in methanol than in pentane (bp 36 degree C). Why would methanol
What is the concentration of each ion in a solution formed by mixing 44.0 mL of 0.100 M Na2SO4 and 25.0 mL of 0.150 M KCl?
Balanced equations for the reaction of resorcinol in water, resorcinol in toluene, and resorcinol in hexanes. Balanced equations for the reaction of anthracene in the same three solvents.
Scientists can use mutants to study metabolic pathways. These organisms have a mutation in a gene encoding a metabolic pathway enzyme that results in the inactivation of that enzyme
Use the dipole moments of and ( HCl= 1.08, Hf= 1.82) together with the percent ionic character of each bond ( HCl= 20% ionic, HF= 45% ionic) to estimate the bond length in each molecule.
A solution containing 80. G of NaNO3 in 75 g of H2O at 50°C is cooled to 20°C. How many grams of NaNO3 remain in solution at 20° C?
By what factor (The factor is the ratio of the rates) does the rate of this isomerization reaction increase as the temperature increases from 256 degree celsius to 297 degree celsius ?
How much heat is required to warm 1.40 kilograms of sand from 24.0 degrees Celsius to 100.0 degrees Celsius?
Styrene, phenylethene, is treated with H3PO4, an acid whose conjugate base is a poor nucleophile.
Calculate [H+] and the pH of the following solutions.
-an experiment was done using NaCl and KCl for solubilty purposes, would the results be different if Nacl and LiCl were used instead?
What are the average calories (not Calories) per gram for each of your food items?
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