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115 grams of KCl is dissolved in 750mL of water (assume density=1.005g/mL). What would be the freezing point and boiling point of that solution assuming the Kf of water is 1.86oC/m and Kb is 0.512oC/m (assume that KCl fully dissociates with no pairing of ions).
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?
Joe Schmoe mixed peroxide with yeast to generate oxygen gas and collected the gas in a graduated cylinder, using the same set up as was used in Experiment 11. He collected the following data
Draw a mechanism for the dehydration of cyclohexanol catalyzed by phosphoric acid.
An empty Erlenmeyer flask weighs 246.3 g. When filled with water (d = 1.00 g/cm3), the flask and its contents weigh 495.0 g. (a) What is the flask's volume? (b) How much does the flask weigh when filled with chloroform (d = 1.48 g/cm3)
Calculate the molarity and the molality of an NH solution made up of 28.0 g of NH in 70.0 g of water. The density of the solution is 0.982 g.
the sales of gourmet popcorn seems to be losing market share and a number of seemingly unknown brands are creating
Using m=Mn, calculate the neutralizing capacity for pure CaCO3 neutralizing HCl (use the stoichiometry in the below equation for determining the ratio of moles).
Draw the structure of (E)-2,3,5-trimethyl-3-hexene. Clearly show the proper (E) or (Z) stereochemistry about the double bond.
What is the boiling point of a 0.800 molal solution of sugar in water? Kb = 0.512C/m for water. Sugar does not dissociate in solution and pure water boils at 100C.
calculate the mass of sodium nitrate required to produce 7.00 grams of oxygen according to the following reaction: 2NaNO3 = 2NaNO2 + O2
At a particular temperature, N2O5 decomposes according to a first-order rate law with a half-life of 3.0 s. If the initial concentration of N2O5 is 1.0 × 1016 molecules/cm3, what will be the concentration in molecules/cm3 after 11.3 s?
What is the maximum amount of silver chloride that can be formed? IN GRAMS b.What is the FORMULA for the limiting reagent?
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