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An organic substance has an enthalpy of vaporization of 29.0 kJ/mol. The compound has a vapor pressure of 524 mm Hg at 25 °C. At what temperature is the vapor pressure equal to 115 mm Hg?
flask apparatus, which now contains 2.00 L H2 at a pressure of 360 torr and 1.00 L N2 at an unknown pressure. if the total pressure in the flasks is 320 torr after the stopcock is opened, determine the initial pressure of N2 in the 1.00-L flask.
Write the reactions for the preparation of the diaonuim salt for the coupling of the salt with the sodium salt of 2-napthol.
How many milliliters of 5.00 M HCl solution are needed to provide the 1.50 moles of HCl needed for a reaction?
NaOH + CO2 -> Na2CO3 + H2O. If the average human body discharges 745 g of CO2 per day, how much NaOH is needed each day for each person in the spacecraft.
NaOH solution to raise the PH of the waste stream to PH 10, determine the flow rate of NaOH solution in (Gal/min). Assume ideal solution conditions
How many grams of C2H2 are produced from 4.43 moles of CaC2? CaC2 + 2 H2O → Ca(OH)2 + C2H2
Using bond-line formulas, draw 6 constitutional isomers that have 1) the molecular formula C5H10O, and 2) a three membered ring
An unknown metal with a mass of 100 g was heated to 100 C and placed into 30.0 g of water that had a temperature of 20.2 C. The final temperature of both substances
Calculate w (in kJ) when 376 g iron (III) oxide (MM = 159.7 g/mol) reacts with excess carbon to produce carbon dioxide gas at 335 K:
Use the Nernst equation to calculate the Cd2+ concentration when given cell potential of +0.768V and Mn2+ concentration of .500M
Why are polychlorinated biphenyls (PCB's) importance to an EH&S or FS professional who encounters them when come to an incident where they are present?
The alcohol (ethyl alcohol) content of the bottle of beer in a 12 oz is about 5%. Identify the substance produced in the liver that helps catalyze this reaction.
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