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Explain how you would prepare 2.0 L of 0.25M HCLO4 from concentrated HCLO4 which has a density of 1.07 g/mL and contains 71% (w/w) HCLO4.
A reaction takes place inside a constant pressure calorimeter. The heat absorbed by the calorimeter is measured to be +15J.
Consider the free radical brination of butane. Two monodbrominated producst are possible. Draw appropriate structure of each.
arrange the following in increasing order of mass.
under anaerobic conditions lactic acid builds up due to the following reaction. A) prochiral b) archiral c) chiral d) both archiral and prochiral
A solution of 75.0 of benzene and 75.0 of toluene has a total vapor pressure of 80.9 at 303 . Another solution of 100.0 benzene and 50.0 toluene has a total vapor pressure of 93.9 at this temperature.
The bond dissociation energy of H2 and Cl2 are 436 and 242 kJ/mol, respectively. The Pauling electronegativity of H and Cl are 2.3 and 3.2. What is the HCl bond dissociation energy
If the CO2 and O2 in the above reaction are measured at the same temperature and pressure, 1. How many milliliters of O2 are produced per minute. At what rate is the Na2O2 consumed, in grams per hour
How many g of product are actually used when a chemist calculates the theoretical yeild of a product at 20.1 g and the percentage of yeild is 87.1%
A synthetic organic chemist wants to make 100.0 grams of benzoyl chloride C7H5OCl from benzoic acid C7H6O2 in the following reaction.
A solution is made by taking 54.62 g of K2CrO4 in enough water to make 250.0 mL of solution. The molarity of the solution is therefore
Titanium tetrachloride, TiCl4, has a melting point of -23.2 C and has a Delta H fusion = 9.37 kJ / mol.
Which of the following addition will result in no change in the pH of the solution a. Adding ammonium nitrate to an ammonia solution.
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