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An aqueous solution of a nonelectrolyte boils at 100.32C. What is its expected freezing point?
a solution composed of 50 ethanol etoh 10 methanol meoh and 40 water h2o is fed at the rate of 100 kghr into a
The vapor pressure of chlorine dioxide (ClO2 ) is 155 Torr at -22.75 ? C and 485 Torr at 0 ? C. What is the normal boiling point of chlorine dioxide?
What are the potential sources of error for determining the molar extinction coefficient for methylene blue? Which sources contribute most to the uncertainty in the coefficient?
A 25.0 g sample of garden compost was analyzed for chloride content. The sample was dissolved in water and the chloride was precipitated as silver chloride. 1.58 g of dried precipitate was obtained. Calculate the percent chloride in the sample
Trimethylamine (CH3)3N is a substance responsible in part for the smell of fish. it has a boiling point of 3.5 degrees c and a molecular weight of 59.1.
the osmotic pressure produced by the solution was 0.138 atm . What is the molar mass of the protein(g/mol)?
What is the freezing point of a solution containing 3.10 grams benzene (78.11 g/mol) dissolved in 32.0 grams paradichlorobenzene
you want to carry out chemical reaction that is water sensitive, however the glassware contains salts and you need water to wash them out. the reaction you are going to perform can be done either in acetonitril or toluene
estimate the enthalpy change for the reaction between 1 mol c2h5oh as liquid ethanol, a fuel made by fermenting corn, and o2 to yield co2 and h2o under standard conditions by using bond enthalpies,
Benzyl ethyl ether reacts with concentrated aqueous HI to form two initial organic products (A and B).
what mass of KNO3 will crystalize out of solution if exactly 9.0x10^2g of its saturated solution at 75c is cooled to 25c
Calculate the value of heat of vaporization for this liquid Calculate the normal boiling point of this liquid.
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