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Problem- Calculate the mass of ethylene glycol (C2H6O2) that must be added to 1.00 kg of ethanol (C2H5OH) to reduce its vapor pressure by 9.00torr at 35oC. The vapor pressure of pure ethanol at 35oC is 1.00o102 torr.
I desire you to clarify the chemistry in this above problem.
Estimate the value of the equilibrium constant at 625 {rm K} for each of the following reactions. Delta H{^{circ}_{rm f}} and S{^{circ}} for rm BrCl(g) is 14.6 {rm kJ/mol} and 240.0 frac {rm J}{rm mol cdot K}, respectively.
whats the molar solubility s of barium iodate in 0.365 m aqueous sodium iodate? explain why assumptions are fine. if
Some athletes have as little as 3.00 body fat. If such a person has a body mass of 45.0 , how many of body fat does that person have
a 251 ml sample of oxygen is collected over water at 25 deg c and 760 torr pressure. if the vapor pressure of water as
It is quickly degraded in the atmosphere though reaction with OH• and O3 to form non volatile species which then form particles. These latter ones are responsible for the haze.
a 2.40-g sample of a large biomolecule was dissolved in 13.0 g of carbon tetrachloride. the boiling point of this
natural uranium consists almost entirely of 238u. to operate a nuclear power reactor the fuel must be enriched in a
how many moles of ammonium sulfate can be made from the reaction of 30.0 mol of nh3 with h2so4 according to the
How many moles of Al2S3 are produced using 12.8 grams of Al and 7.59 x 10-2 moles of S8
a swimming pool measures 25 meters wide by 145 meters long by 1 meters deep. how many gallons of water are required to
A plot of k versus 1/T has a slope of -7, 445. What is the E_a (energy of activation) for this reaction? OPTIONS: A. 90.79 kJ/mol B. 895.5 kJ/mol C
The millipede ejects the compound shown below to protect itself from its enemies. Identify the functional group circled.
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