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You have discovered a basic amino acid. its carboxyl group pKa is 1.92. its amino group pKa is 10.03. its side chain pKa is 11.98. What is its pl?
How many milliliters (mL) of a 1.28 M sulfuric acid solution are needed to neutralize 60.2 mL of a 0.427M sodium hydroxide solution.
How many grams of Na3PO4 is needed to produce 575mL of a solution that has a concentration of Na+ ions of 1.50M?
what is the concentration of the 25.0 mL of diluted drink in the volumetric flask?
Make the compounds listed from an alkyl halide having four carbons or less, with no functional groups but it can be branched, or cyclohexane, cyclopentane, or ehylene oxide.
A mixture of 30 mol% CO, 65 mol% H2, and 5 mol% N2 is fed to a methanol (CH3OH) synthesis reactor, where the following reaction occurs
Calculate the charge on the nitrogen atom in the following molecule? there are a pair of non bonding electrons on nitrogen
A compound is found to have a molar mass of 598 g/mol. If 35.8 mg of the compound is dissolved in enough water to make 175 mL of solution at 25°C, what is the osmotic pressure of the resulting solution?
If the heat capacity of the calorimeter itself (not including the internal water) is 20.4 J/°C and the final temperature of the calorimeter and water bath is 23.3 °C, what is the enthalpy of combustion of the new compound?
A certain quantity of electricity is passed through a series of solutions containing AgNO3, CrCl3, ZnSO4, and CuSO4. a) If 1.00 g of Ag(s) was deposited in the first solution, how many grams of metal were deposited in each of the remaining solution..
the normal freezing point of mercury is -38.9 c and its molar enthalpy of fusion 2.29kjmol. what is the entropy change
What type of hybridization (according to valence bond theory) does Fe exhibit in the complex ion, [Fe(H2O)4(Cl)2]+?
Calculate the pH at the equivalence point for the titration of 0.200 M methylamine (CH3NH2) with 0.200 M HCl.
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