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A solution of 0.1 g/ml of a pure R enantiomer in a 1 dmpolarimeter rotates plane polarized light by +4.8 degrees. Explain what is the rotation observed on this solution in a dm polarimeter?
A solution is created by adding 0.05 moles of H2CO3 (3.1 g, total mass) to 5-L of water, resulting in a pH of 4.2. What is the alkalinity of this water (in meq/L)? Does the answer make sense, why or why not
Calculate the pH of CO2-saturated water at 25 degrees C, given that the CO2 concentration in air is 366 and that for carbon dioxide the Henry's Law constant KH=3.4E-2 mol L-1 atm-1 at 25 degrees C.
What is the molecular formula for a substance that contains in 1.00 mole of sample 1.00 mole of S, 24.1 x 10 to the 23rd atoms of F, and 71.0 grams of Cl
The same apparatus is them filled with an unknown gas at 32.3 C to a pressure of 645 mm Hg. It takes 5 hours 34 minutes and 25 seconds for the pressure to fall to 207 mm Hg. Calculate the molar mass of the unknown gas.
Identify the most important types of interparticle forces present in the solids of each of the following substances. Ar, HCl, HF, CaCl2, CH4, CO, NaNO3
What are the most important energy considerations which determine whether or not this compound can be prepared?
what will be the concentration of dichlobenil in the pond? The following conversion factors will be helpful: 1 acre=43,560ft2 1ft=12in 1in=2.54cm 1cm3=1mL 1ft3=28,317cm3
Calcium carbide reacts with water to form acetylene and calcium hydroxide. From the following enthalpy data calculate Delta Hf for CaC2
The rod initially has a mass of 1460g, and the mole fraction of H2 in the exit gas is 0.223. The mole fraction of H2 in the feed to the reactor is 0.580, and the feed enters at the rate of 6.22kg-mol/hr. What will be the mass of the rod at the end..
a specific brand of gourmet chocolate candy contains 7.00g of dietary fat in each 22.7-g piece. how many kilograms of
q1. given that the internal energy of water at 55 bar pressure is 1178 kj kg-1 and that the specific volume of water at
If you start with 5.0mL of isopentyl alcohol and after esterification via glacial acetic acid you obtain 6.2mL of isopentyl acetate
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