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Enough ammonia is dissolved in 5.0 L of water at 25 degrees Celsius to produce a solution that is 0.0124 M in ammonia. The solution is then allowed to come to equilibrium. Analysis of the equilibrium mixture shows that the concentration of hydroxide ions is 0.000464 M. Calculate the Keq at 25 degrees Celsius for the reaction.
how many milliliters of 5M MgCl2 must be added to 25ml of 0.5M MgCl2 to produce 1500mL with a final MgCl2 concentration of 1.75M?
Identify the change in state that does not have an increase in entropy. Identify the change in state that does not have an increase in entropy. Water freezing Dry ice subliming Water evaporating Ice melting Water boiling
how would i calculate the equilibrium bond length from knowing Bo B1 the equilibrium rotational constant and the vi-rot coupling constant?
What are the degeneracy of the first six levels for an electron in a cubicul (3-dimensional) box with box length, L = L(x) = L(y) = L(z) = 1.00pm
If the heated copper is then placed into the water in the insulated container, given that the specific heat of copper is 0.385J/(gC), calculate the maximum temperature of the water after the copper metal is added.
How many grams of dry NH4Cl need to be added to 2.30L of a 0.800 M solution of ammonia, NH3, to prepare a buffer solution that has a pH of 8.83? Kb for ammonia is 1.8 * times 10^-5
The molecular geometry of the ammonium ion, NH4+, is most similar to the molecular geometry of
calculate the concentration of each ion present in a solution that result from mixing 50 ml of a .20 m naclo3 solution
The Henry's Law constant for CH3Br gas in water at 25 oC is 0.159 mol/L-atm. Calculate the solubility of CH3Br in water at 25 oC in moles/L if the partial pressure of CH3Br in the headspace above a water sample is 1.71 atm.
molecules can be as small as a few atoms or as large as thousands of atoms. in 1962 max f. perutz and john c. kendrew
Ammonium Chloride and sodium hydroxide. Sodium cyanide and ammonium bromide. Potassium hydrogen sulfate and lithium acetate. Ammonia hypochlorite and ammonia
a solution of 116 ml of 0.170 m koh is mixed with a solution of 230 ml of 0.240 m niso4. what precipitate
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