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If salt is used on icy roads in the winter to lower the freezing point of water to assist inmelting, in theory, what substance can be used to increase the boiling point of that same water?
Several new pieces of equipment are being used in the experiment along with all previous equipment. Using the internet, briefly state why we are using each piece of equipment in this experiment and illustrate with a picture.
Calculate the amount of work in kilojoules (kj) needed to move an object that weighs 500 grams through a distance
The first atomic explosion was detonated in the desert north of Alamogordo, New Mexico, on July 16, 1945. What fraction of the strontium-90 (t1/2 = 28.8 yr) originally produced by that explosion still remained as of July 16, 1993?
A compound is composed of elements C, H, and N. A 7.875-mg sample of the unknown compound was combusted, producing 21.363 mg of CO2 and 6.125 mg of H2O. What is the empirical formula for this compound? (Type your answer using the format CxHyNz for..
If the barometer at your house reads 767.2 mm of mercury what is the atmospheric pressure in kPa
Three gases (8.00 of methane, CH4, 18.0 g of ethane, C2H6, and an unknown amount of propane, C3H8) were added to the same 10.0-L container. At 23.0 degrees C, the total pressure in the container is 3.70 atm.
What would the periodicity be if the transition metals, lanthanides and actinides were removed from the periodic table
given the concentration of either hydrogen ion or hydroxide ion use the ion product constant of water to calculate the
Show by equations analogous to those in problem 1 how branching may arise in the free-radical polymerization of isoprene (CH2-C(CH3) CH-CH2) initiated by di-t-butyl peroxide even in the absence of chain transfer. How do you think the presence of d..
On one column two peaks have resolution 0.9 (not completely resolved). calculate resolution for the same components on twice longer column.
Calculate the pH at the equivalence point for the titration of 0.10 M HCl with 0.10 M NH3 (Kb = 1.8 x 10-5).
the reaction between calcium metal and chlorine gas is described by the following thermochemical equation cas cl2g
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