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Problem- If the specific gravity of a sample of organic liquid is 0.878, what would be the volume of 2.54 kg of the sample in mL? Show your work and report your answer to the correct number of significant figures!
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Carry out the following operations, and express the answer with the appropriate number of significant figures. a) 320.5 - (6104.5/2.3) b) [(285.3 x 10^5) - (1200 x 10^3)] x 2.8954
What is the pressure of the gas in this mercury manometer if h = 73 mm and atmospheric pressure
A quantity of 7.031 g of an organic compound is dissolved in water to make 282.0 mL of solution. The solution has an osmotic pressure of 1.43 atm at 27°C.
A 40-cuft tank is filled with air at 14.7 psia and 80 F, The tank also contains a 15-lb block of dry ice (solid CO2, specific gravity of 1.53 based on water). After the dry ice sublimes, the temperature is 30F. What is the pressure? Assume idea..
Part A: Thymolphthalein is an indicator that changes color over a range from pH = 9.3 to pH = 10.5 . What is Ka of thymolphthalein. Part B: Alizarin yellow R, Ka=7.9x10^-12
Calculate the volume of 6.0 M sulfuric acid H2SO4 solution required to neutralize the excess potassium hydroxide, KOH, solution from the first step of the synthesis. Indicate clearly your calculations and reasoning.
Predict whether the following reactions will be spontaneous in acidic solution under standard conditions.
Question- For the dissolving and dissociation of hydrogen chloride gas in water given by the equation HCl(g)?H+(aq)+Cl?(aq) which has ?Horxn=?74.9kJmol and ?Sorxn=?130.4Jmol?K, calculate ?Gorxn in kilojoules per mole.
Draw all of the eclipsed and staggered conformations for the c3-c4 bond in hexane starting with the conformation that has the lowest energy.
While 3.50 grams of unknown solute is mixed with 40 grams of PDB the consequential solution froze at 51.7 degrees Celsius. Explain what is the molar mass of the unknown solute. M.P. for PDB is 53.0 degrees Celsius and kf is 7.10 degrees Celsius/m.
A student determined the calorimeter constant of the calorimeter. The student added 50.00 ml of cold water to 50.00 ml of heated distilled water in a styrofoam cup the initial temperature pf the cold water was 21.00 degrees celcius and of the hot ..
If you wanted to adapt this procedure to prepare the analogous propoxy compound, how much propyl iodide would you have to use to carry out the reaction on the same scale?
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