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What is the ay4- when edta is at ph of 10.5. is there a special trick when the ph is higher the pka6 equilibrium?
How much faster do ammonia (NH3) molecules effuse than carbon monoxide (CO) molecules? RATE OF NH3 effusion/rate of CO efusion
2.9 mol Fe(OH)3 and 7.7 mol H2SO4 react according to the equation 2 Fe(OH)3 + 3H2SO4 ->Fe2(SO4)3 + 6H2O. If the limiting reactant is Fe(OH)3, calculate the amount of Fe2(SO4)3 formed.
A small cube of aluminum measures 15.6 mm on a side and weighs 10250 mg. what is the volume of this cube in cubic cm? how would I find this out.
A sample of propane,C3H8, contains 13.4 moles of carbon atoms. How many total moles of atoms does the sample contain?
How many moles of N2 are produced by the decomposition of 1.40 of NaN3 ?
the equilibrium constant for the reaction at 900 degrees Celsius is .082. a reaction is intiated with only cocl2 in a 2.0-L vessel. at equilibrium 2.36*10^-3 mol is present. how many moles of cocl2 were present initially?
a surface for which static coefficient of friction is 0.62. The ropes are massless. What is the Maximum mass of block A for which the system is in equilibrium?
What wavelength, of light would be necessary to ionize an electron at the n = 3 state in a He+ cation
In acid-base equilibria, the strength of acids and bases are reflected by their Ka's and Kb's, respectively. Explain, using examples while Ksp cannot directly reflect the solubility of the ionic compound.
Assume that the electrode follows the Nernst equation, the temperature is at 25°C, and that the activity coefficient of X is 1.
How much heat (in kj) is needed to convert 776g of ice at -10 degrees celsius to steam at 126 degrees celsius. (the specific heat of ice water and steam are 2.03 J/g . C, 4.184 J/g . C, 1.99 J/g . C, respectivley. The Heat of Fusion of water is 6...
A certain alcoholic beverage contains only ethanol (C2H6O) and water. When a sample of this beverage undergoes combustion, the ethanol burns but the water simply evaporates and is collected along with the water produced by combustion.
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