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Which one of the following is a poor aprotic solvent for an SN2 reaction? A) CH3SOCH3 (DMSO) B) CH3OH C) C6H6 D) CH3COOH E) CH3CN
3.00 mole of Ne has a total pressure of 24.5 atm at 25 degrees C. How many moles of He are in the flask?
The temperature is held at 271 K. Calculate the work done by the gas(in joules). to give the appropriate sign
How does the entropy of water molecules at the air-water interface differ from molecules in the bulk, and why is it different?
The equation for the Beers Law- A= -log10 I/Io. Tell what each variable represents.
what volume does .103 mol of N2 gas occupy at a temperature of 27 degrees Celsius and a pressure of 784 mm Hg?
the pH of a saturated solution of a metal hydroxide MOH is 9.30. calculate the Ksp for the compound
If the mass of water surrounding the calorimeter was exactly 1000 g and the heat capacity of the bomb calorimeter was 1.75 kJ/°C, calculate the molar heat of combustion of liquid methanol .
How much bacterial tissue is produced in a treatment plant for every 1.0 multiplied by 104 kg of wastewater containing 3.0% NH4+ ions by mass?
What is the concentraion of toulene in this sample? Does this exceed the standard? (maximum contaminant level is 1.0 mg/L 6) How much calcium nitrate has to be added to 1000L of solution to provide 130ppm Ca^2+ if the water supply contains 40ppm Ca..
if you take a 12.5 mL portion of the stock solution and dilute it to a total volume of 0.600L what will be the concentration of the final solution?
Titration of the newly freed EDTA required 18.0 mL of 0.0210 M Ca2 . What were the molarities of Cd2 and Mn2 in the original solution?
How many grams of Ba(OH)2 will be needed to neutralize 76 mL of stomach acid if stomach acid is 0.14 M HCl?
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