Ammonium nh4 is a weak acid with a pka of 926 the
Ammonium (NH4+) is a weak acid with a pKa of 9.26. The dissociation is: NH+4 <--> NH3 + H+. Calculate the mass of ammonium added to 1 L of water in order to obtain a pH of 4 at equilibrium.
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All sales revenues will be collected in cash and costs other then depreciation and amortization must be paid for during the years. Stanley's federal plus state tax rate is 40%. Stanley has no debt.
A fluid has a density of 1040kg/m^3. If it rises to a height of 1.8cm in a 1.0mm diameter capillary tube, what is the surface tension of the liquid
The Altoona Company issued a 25 year bond 5 years ago with a face value of $1,000. the bond pays interest semiannually at 10% annual rate.
A projectile is fired straight upward from the Earth's surface at the South Pole with an initial speed equal to one third the escape speed. What is the altitude of the projectile at this instant
At the reference temperature, three identical rods of length L form a pin jointed truss in the shape of an equilateral triangle, ABC. Determine the angle theta as a function of delta T, the temperature increase of the rod AB.
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Based upon your observation of the video clip, what steps has BMW taken to achieve the following organizational objectives?
A glass jar is heated in an oven and sealed when the air pressure is 103 kPa and the temperature is 105 C. Find the absolute, gage, and vacuum pressures in the jar when it cools to 20 C.
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