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Morphine is 71.56% C, 6.71% H, 4.91% N, and 16.82% O as well as its molecular weight is 285 g/mol. Explain what is its molecular formula?
Potable water (drinking water) should not have manganese concentrations in excess of 0.05 mg/mL. If the manganese concentration is greater than 0.1 mg/mL, it imparts a foul taste to the water and discolors laundry and porcelain surfaces.
Someday, cars may be powered by clean H2/O2 fuel cells and electric motors. Under standard conditions, such a fuel cell can develop 1.229 volts. If the oxygen is obtained from air (at P=0.21 bar), what pressure of H2 would be required to develop 1..
For propanoic acid (HC3H5O2, Ka = 1.3 multiplied by 10-5), determine the concentration of the species present, the pH, and the percent dissociation of a 0.27 M solution.
Calculate the pH of a 0.50 M aqueous solution of NH3. The Kb for NH3 is 1.8 x 10-5.
How many atoms of hydrogen are in 1 molecule of water, H2O
Excess air for combustion is calculated using the assumption of complete reaction whether or not a reaction takes place. For the typical combustion process the products are CO2 gas and H2O vapor. In combustion processes, since any oxygen in the coal ..
The vapor pressure of CCl3F at 300 K is 856 torr. If 12.0g of CCl3F is enclosed in a 1.0 L container, what mass of liquid will be present
a chamber is filled with gas and pressurized to 2 atmg and then is connected to a second chamber filled with the same
The Ksp of beryllium hydroxide, Be(OH)2, is 6.92 x 10^-22. Calculate the molar solubility of this compound
Select all of the correct statements about reaction quotients and equilibrium constants from the choices below. A reaction quotient equals the equilibrium constant at equilibrium.
Alpha-linolenic acid is one of a large group of fatty acids that are found in fish oil, walnuts and canola seeds. These nutrients are essential for good health. All of these fatty acids consist of an unsaturated hydrocarbon that is terminated by a..
Explain the pH of a solution made by adding 8.80 grams of ammonium chloride to 450mL of 0.105M sodium hydroxide. No change in volume takes place
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