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The pH of 1.00L of the buffer containing 1.00M CH3C00Na and 1.00 M CH3COOH after addition of .080 mole NaOH is?
Using the following list of normal boiling points for a series of normal hydrocarbons, estimate the normal boiling point for octane, C8H18. Be certain to explain your procedure
A sample of gas with a mass of 1.78 occupies a volume of 961 at a pressure of 753 and a temperature of 16. What is the molar mass of the gas?
how does the rate of formation of O2 compare to (a) the rate of formation of H2O and (b) the rate of disappearance of H2O2?
A stock solution of NaCl is made taking 150.2g in enough water to make 200.0ml. A 10.00 ml sample of this stock solution is diluted to 250.0 ml.
a basketball is inflated to 9.0 psi (pounds per inch) above atmosphere pressure of 14.7 psi ( a total pressure of 23.7 psi). The diameter of the basketball is 10 inches. What is the pressure of the air in the basketball, expressed in atmospheres?
Consider the reaction below. If you start with 7.00 moles of C3H8 (propane) and 7.00 moles of O2, how many moles of carbon dioxide can be produced. C3H8(g) + 5O2(g) 3CO2(g) + 4H2O(g)
Galvanized nails are iron nails that have been plated with zinc to prevent rusting. The relevant reaction is Zn2+(aq)+2e??Zn(s)
Amides undergo hydrolysis to carboxylic acids on treatment with alkali. Diagram a suitable mechanism for the conversion of benzamide to benzoic acid
the vapor pressure of pure benzene is 100.84 torr. What is the vapor pressure of a solution made from dissolving 18.4 g of biphenyl in 28.0 g of benzene?
The density of water at room temperature is less than the assumed 1.0 g/mL used in the calculations for determining the enthalpy of neutralization. How will this small (but real) assumption affect the reported enthalpy of neutralization for the st..
A soln. of HCl has a specific gravity of 1.120 and contains 23.81% HCl by wt. How many grams and how many milliequivalents of HCl are present in each milliliter of the soln.?
25mL of a .10M solution of the weak acid hydrofluoric acid, HF, is titrsted with .10M solution of the weak base amonia, NH3. Will the pH at the equivilance point be less than 7 equal to 7 or greater than 7? Explain. Ka for HF is 7.2e-4 and Kb for ..
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