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A definite substance has a heat of vaporization of 52.30 kJ/mol. Explain at what temperature Kelvin will the vapor pressure be 6.00 times higher than it was at 359 K?
Calculate the pH at the equivalence point for the titration of .10 M NH3 by .10 M perchloric acid. pKb for NH3=4.74.
Argon gas is 10 times denser than helium gas at the same temperature and pressure. Which gas is predicted to effuse faster. How much faster
Calculate the pressure of the gas mixture and the partial pressure of each constituent gas if the mixture is in a 11.0 L vessel at 27 degree celsius
a solution is prepared by adding 30.00 g of lactose milk sugar to 110.0 g of water at 55 degc. the partial pressure of
draw the expanded structural formula for the drug. Pick one amino acid ionic group that can bind with the drug.
What are the molality and mole fraction of solute in a 36.3 percent by mass aqueous solution of formic acid (CH3OH)?
1.what is the molar enthalpy of neutralization for 50.0ml of 1.0moll naohaq that react with excess 1.0moll
A 2.00g sample of a particular compound was dissolved in 15.0 g of carbon tetrachloride. The boiling point of this solution was determined to be 77.85 Celcuis.
a) Draw the product of the reaction of propanal with lithium aluminum hydride, followed by water. b) Draw the product of the reaction of propanal with methylmagnesium iodide, followed by dilute acid
a 0.5118 gram sample of caco3 is dissolved in 6 moles of hcl and the resulting solution is diluted to 250.0 ml in a
Calculate the pH of each of the following solutions. (a) 0.500 M HONH2 (Kb = 1.1 10-8) (b) 0.500 M HONH3Cl
the valve between them is opened and the gases are allowed to mix. What would be the final pressure in torr after mixing, if initially C3H8 is in the first flask (Volume = 4.000 L)
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