What is the mole fraction of ethanol in the solution
Question: At 63.5 degrees celsius, the vapor pressure of water is 175 torr and that of ethanol, C2H5OH, is 400 torr. A solution is prepared by mixing equal masses of H20 and C2H5OH. What is the mole fraction of ethanol in the solution?
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Consider the reaction at 25C 2NO2 --> 2NO + O2 The overall rxn rate = k[NO2]2. The rate constant, k = 1.4 × 10^10 M-1 s-1. If 3.8 moles of NO2 are initially present in a sealed 1.00 liter vessel at 25 C, what is the half-life of the react
How do the units mol/L and ppm compare? You will be given a 100.5 ppm iron stock solution (the iron is ferrous ammonium sulfate hexahydrate, (NH4)2Fe(SO4)2 x 6H2O. Report its molecualr weight in g/mol, and determine the concentration of the stock s
When 2.50 g of copper (Cu) reacts with oxygen, the copper oxide product has a mass of 2.81g what is the simplest formula for the copper oxide?
Dr. Carvell made up a 5X stock of ONPG stock solution that has a concentration of 50 mN. The molecular mass of ONPG is 354.7. What is the percent composition of this solution
Calculate the pre-equilibrium concentration of Fe3+(aq) in a solution made by mixing 2.8 mL of 2.010?3 M Fe(NO3)3 and 7.2 mL of 2.010?3 M NaSCN. Assume the final volume is 10.0 mL.
If He gas has an average kinetic energy of 4310 J/mol under certain conditions, what is the root mean square speed of O2 gas molecules under the same conditions
What three events occur during the light reactions of photosynthesis. A. Reduction of oxygen, oxidation of NADPH, formation of ATP B. Oxidation of water, reduction of NADP+
EDTA is utilized to slow microbial degradation of mayonnaise by preventing bacterial uptake of iron. Assuming that mayonnaise has a pH of 3.9 and a total iron content of 10-6 mole/liter, how much EDTA must be added to complex 99% of the total Fe
Using Half Reactions, Write a balanced Oxidation-Recuction reaction. Oxidation of 1 to 12, and reduction of Mn02 to mn2+
What is the solubility of M(OH)2 in pure water. B. What is the solubility of M(OH)2 in a .202 M solution of M(NO3)2? Ksp=5.45E-18
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