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Chloroform has Hvap=29.2 kj/mol and Svap=87.5j(K*mol). what is the boiling point of chloroform in Kelvins?
Which statement is correct concerning the resulting titration curve when a weak acid is titrated with a strong base
a bottle of champagne is 11% alcohol by volume. if there are 750 mL of champagne in the bottle how many mL of alcohol are present
Calculate Kp at 298 K and 490 K for the reaction NO(g) + 1/2 O2(g) = NO2(g) assuming that Delta H(g) is constant over the interval 298 K - 600 K.
An aqueous solution is 30.0 % by mass ammonia, NH3, and has a density of 0.892 g/mL.The mole fraction of ammonia in the solution is?
Draw the side reactions that occur in the preparation of tert-butyl chloride from tert-butyl alcohol. One is involving isobutylene and the other is ethyl tert-butyl ether
The greater volume per mole at the higher temperature indicates greater average intermolecular distances and hence weaker intermolecular forces.
A solution contained KIO3 and excess KI. 25 cm3 of this solution were acidified and the liberated I2 required 26.8 cm3 of 0.1 M Na2S2O3 for complete recaction.
The pressure exerted on a 240 mL sample of hydrogen gas at instant temperaure is increased from .428 ATM to.724 ATM. What will the final volume be for the sample be?
Calculate K for the reaction between one mole of dinitrogen oxide gas and oxygen gas to give dinitrogen tetroxide gas
A gas is compressed in a cylinder from a volume of 20 L to 2.0 L by a constant pressure of 10 atm. Calculate the amount of work done on the system.
He was surprised that most of the white solid melted sharply between 121 and 122 C but that a small amount remained unmelted even at temperatures above 200 C. Explain this behavior.
If the groundwater at the top of the saturated zone is in equilibrium with air, calculate the concentration of m-Xylene in the air in mol/L
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