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A compound is found to contain 10.37 % phosphorus, 4.689 % nitrogen, and 84.95 % iodine by weight.
What is the empirical formula for this compound?
What is Nitroglycerin's molar mass if the addition of 0.454 g of nitroglycerin to 100.0 g of benzene changes the solution's vapor pressure to 94.85 mm Hg?
Write net Bronsted equations and determine the equilibrium constants for the acid-base reactions that occur when aqueous solutions of the following are mixed.
In a titration, 10.0 mL of 0.025 M hydrochloric acid is added to 30.0 mL of 0.030 M ammonia. What is the pH of the resulting mixture?
water can react with an acid or a base to produce two different products. draw the structure of each and label products
PVA suspension (by weight) with 15 mL of a 3.00 % borax solution (by weight). What is the weight percent of water in the resulting gel?
Calculate the total concentration of lead for a system containing a fixed concentration (0.01 M) of KI. Note (s) denotes solid and (aq) denotes aqueous
A gaseous mixture of and has a density of 1.104 at 445 and 300 . What is the mole percent in the mixture?
Titanium occurs in the magnetic mineral ilmenite (FeTiO3), which is often found mixed up with sand. The ilmenite can be separated from the sand with magnets. The titanium can then be extracted from the ilmenite by the following set of reactions
a flask containing 352 ml of gaseous nitrogen is collected over water at a temperature of 22 degree Celsius. the total pressure of the gases was 742 mm Hg. how many grams of nitrogen were collected?
Draw products A through E for the following series of reactions. If both ortho and para product would form, continue on only with the para product, but mention that ortho would also be a product.
Conductivities are often measured by comparing the resistance of a cell filled with the sample to its resistance when filled with some standard solution, such as aqueous potassium chloride. The conductivity of water is 76 mS m^?1 at 25°C
the minimum concentration of the gas, in air, below which there is too little fuel to support combustion; For propane, the LFL is 2.1 mol-%; What is the mol fraction of propane in the air at the stoichiometric concentration?
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