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A solution is prepared by mixing 0.0400 mol CH2Cl2 and 0.0800 mol of CH2Br2 at 25 °C. Assuming the solution is ideal, calculate the composition of the vapor (in terms of mole fractions) at 25 °C. At 25 °C, the vapor pressures of pure CH2Cl2 and pure CH2Br2 are 133 and 11.4 torr, respectively.
Presume carry out a TLC separation of acetaminophen as well as phenacetin on silica gel using a non-polar developing solvent. Explain which should have the higher R1 value and why
A patient recieves all her nutrition from fluid given through the vena cava. every 12 hours, 750mL of a solution that is 4%(m/v) amino acids (protein) and 25% (m/v) glucose (carbohydrate) is given along with 500 mL of a 10%t (m/v) lipid (fat)
The following processes occur in an internal combustion engine. For which one is the entropy change negative
Which of the following two compounds, anisole or toluene, would have a larger Rf value using silica gel plates and methylene chloride as the developing solvent and why
a 8.0-l sample of helium is held at constant pressure. if the temperature is changed from 41 degrees c to 35 degrees c
How many moles of nitrogen are required to fill a 3.50 L tank at 25.0 oC to a final pressure of 8.74 atm
Explain how the procedure for the preparation of isopentylacetate could be modified to raise the yield and purity of the products
why is natural vanillin ethanolic extract considered to be of higher quality and therefore more expensive than the synthetic vanillin solution in ethanol
What mass of Fe will form when 63.0g of CO reacts with 145g of Fe2O3 according to the following equation? 3CO+Fe2O3->2Fe+3CO2.
Problem- If a solution containing 53.925 g of mercury(II) acetate is allowed to react completely with a solution containing 16.642 g of sodium sulfate, how many grams of solid precipitate will be formed. How many grams of the reactant in excess wi..
Two samples of sodium chloride were decomposed into their constituent elements. One sample produced 2.84 g of sodium and 4.37 g of chlorine
Draw the complete mechanism for the reaction that occurrs in this solvolysis experiment showing all intermediates and using curvy arrows to show electron movement.
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