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the vapor pressure of water at 90.0 is 526.8mm hg what mass of ethlene glycol (mw 62.7gmol) when added to 1.50 kg of warer will lower the vapor ptessure to 467 mm hg?
Calculate the thickness of a salt layer left after evaporating an ocean of 35%u2030 salinity and 4-km depth.
The carbanion then reacts with a molecule of acetone to give the product. Assuming the steady state approximation is valid, determine the concentration of the carbanion and derive a rate equation for the formation of product
basketball with a volume of 3.50 Liters is left in a car when the temperature is 298 K. What will the volume of the ball be as the car heats up to 305 K during the day?
How much energy (in kilojoules) is required to convert 245 mL of diethyl ether at its boiling point from liquid to vapor if its density is 0.7138 g/mL ?
What is the pH of 270.0 mL of an aqueous solution containing 0.525 g of the strong acid trifluoromethane sulfonic acid (CF3SO3H)?
Draw the reaction energy diagram for this reaction mechanism. In your diagram, label for each step, Estimate the relative amount of each product that would result. Please show all of your math
what volume of air is needed to burn it completely? Assume that the temperature of the burner is 195.0 Celcius, the pressure is 1.1 atmosphere, and the mole fraction of O2 in air is 0.21.
When sodium reacts with water, 255 mL of hydrogen gas forms along with sodium hydroxide. What mass of sodium is needed for this reaction?
the fraction of the initial mass of gas remaining in the tank if carbon dioxide obeys the ideal gas and PR equations of state
Calculate the pH of the following solutions A) 0.10 M hydrogen sulfide? B) 1.0*10^-4 M benzoic acid (check Ca/Ka ratio)? C) 0.09 M methylamine
If 1.0 l of 0.10 M sodium phosphate is mixed with 1.0 l of 0.10 M magnesium nitrate, magnesium phosphate is produced. Calculate the concentration of each ion when the reaction is finished and the mass of precipitate.
Data from a lab experiment to calculate the concentraion of the deprotoned form of p-nitrophenol in the solution that we made up which consisted of:
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