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A 1.5 L acid solution contains .35g total of HCl and HBr. The pH of the solution is 2.40. What are the masses of HCl and HBr?
Under the same conditions of temperature and pressure, it takes an equal volume of N2 12.00 min to effuse through the barrier. Calculate the molar mass of the gas and suggest what gas it might be
what specific property of diethyl ether is exploited here and why is it important to prevent the overheating of the reaction mixture?
Calculate the potential developed by a voltaic cell using the following reaction if all dissolved species are 0.025 M: 2 Fe2+ (aq) + H2O2 (aq) + 2 H+ (aq) ? 2 Fe3+ (aq) + 2 H2O (l)
methanol a potential replacement for gasoline can be made from h2 and co by reactions co 2h2 - ch3oh. how will this
Calculate the wavelength of the light that is absorbed for the electron's transition from n = 5 to n = 6 in Be3+ ion. (ans in nm.)
The standard free energy of formation of gaseous hydrogen iodide is 1.30 kJ/mol at 25°C. Find Kp for the reaction 2HI(g) -> H2(g) + I2(s) at this temperature.
If the pressure exerted on a 100-L weather balloon changes from 1.0 atm to 2.0 atm, what would be the volume of the balloon at the higher pressure? Assume the temperature does not change and tha balloon has no leaks.
The coal that is burned is a form of pure carbon. (Diamonds and graphite are other forms of pure carbon). A sample of coal is completely burned in a 10.0 L cylinder at a constant pressure of 1.10 atm and a temperature of 1000 oC.
an auto technician spills 85 ml of 2.6 m h2so4 solution from a rebuilt auto battery. how many milliliters of 2.5 m
Calculate the concentration of I - in a solution obtained by shaking 0.20M KI with an excess of AgCl(s)
The following reaction takes place in a sealed 40.0-L container at a temp of 120 degrees C 4NH 3(G) + 5 O2 (g) --> 4NO (g) + 6H2O (G)
The reaction of 2.30g N2 with excess H2 produces 2.00g NH3. The percent yield of this reaaction is?
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