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The equilibrium constant for the dissociation of ammonia, NH3, in water is 1.8 x 10^-5
a) Write the equation for the dissociation of ammonia in water
b) Write the equilibrium expression for the dissociation of ammonia in water
c) Explain why the electrical conductivity of an aqueous solution of ammonia differs to an aqueos solution of sodium hydroxide with the same concentration
0.22 M weak acid is titrated with a 0.11 M strong base and the ph at the halfway point measured at 4.01 what is the Ka value of the weak acid.
why would the chemiluminescence be more pronounced than with the flask stoppered? Why is the chemiluminescence even more pronounced with the ferricyanide/hydrogen peroxide mixture?
2NaN3(s)--> 2Na(s) + 3N2(g) How many grams of sodium azide are required to produce 19.00L of N2 at 273K and 775mmHg. A) 34.9 B) 52.0 C) 2.66*10^4 D) 3.89*10^5 E) 5.80*10^5
determine the specific heat of anbsp metal object of 19 grams that is heated to 96 degrees celsiusnbsp and added to a
A solution is prepared by dissolving 18.4 g ammonium sulfate in enough water to make 100.0 mL of stock solution. A 11.00 mL sample of this stock solution is added to 50.00 mL of water. Calculate the concentration of ammonium ions and sulfate ions ..
A solution of 2.50 grams of a compound having the empirical formula c6h5p in 25.0 grams of benzene in observed to freeze at 4.3 degree celcius. calculate the molar mass of the solute and its molecular formula.
a gas mixture composed of helium and argon has a density of 0.727gl at a 755mmhg and 298k .what is the composition of
Determine a Cu sample digested with excess 1 M HNO3. Explain what is the expected oxidation state of Cu in the solution
The emission spectrum of an unknown element contains two lines-one in the visible portion of spectrum and the other
Elementary mercury was first discovered when a mercury oxide was decomposed with heat, foarming mercury metal and oxygen gas. Wehn 0.24-g sample of the mercury oxide is heated, 0.189-g of mercury metal reamins.
how you do you determine is the salt soln isneutral acidic or basic? dont you have to figure out wherethe soln derived
Question- How many milliliters of 0.135 M HCl are needed to completely neutralize 49.0mL of 0.101 M Ba(OH)2 solution? I need help to find the correct solution.
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