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Consider the compounds water, ethylamine, acetone, and aniline, whose Kb values can be found here. Classify them by whether they can be appreciably (Keq>1) protonated by: pyridinium, CH3OH2 , both, or neither.
Acetone = CH3C(=O)CH3
Ethylamine = CH3CH2NH3
Water = H2O
Aniline = C6H5NH2
When some ionic compounds dissolve, not all of their bonds dissociate. What kind of conductivity would you expect such a solution to have?
Vanadium crystallizes in a body centered cubic lattice (the V atoms occupy only the lattice points). How many V atoms are present in a unit cell?
A graduated cylinder contains 133 of water. A 10.0 piece of iron (density = 7.86 ) and a 16.0 piece of lead are added. What is the new water level in the cylinder?
A helium-filled weather balloon has a volume of 714 L at 23 oC and 750 mmHg. It is released and rises to an altitude of 3.78 km, where the pressure is 546 mm Hg and the temperature is -2oC. The volume of the balloon at this altitude is
The concentration of an organic pollutant in a lake water sample was found to be 32 ppb. Based on this information, 600.00 kg of the lake
The purification of hydrogen gas is possible by diffusion through a thin palladium sheet. Calculate the number of kilograms of hydrogen that pass per hour (in kg/h) through a 4.7 mm thick sheet of palladium having an area of 0.25 m2 at 500°C.
if 0.55 g of a gas dissolves in 1.0 l of water at 20.0 kPa of pressure, how much will dissolve at 110.0 kPa of pressure?
For equilibrium calculations involving metal complexes with EDTA, it is convenient to calculate the fraction of EDTA that is in the completely unprotonated form, Y4- (see the figure). This fraction is designated ?Y4-. Calculate ?Y4- at the followi..
The first ionization energy of bismuth is Ei1 = +703 kJ / mol. What is the longest possible wavelength of light that could ionize an atom of bismuth?
After equilibrium was established, which of the ions listed below was present in the greatest concentration?A) H2C6H5O7^-
the heat calculated after a calimetry experiment is equal to the enthalpy change for reaction. Use the thermochemical data to calculate the enthalpy chanfe for the reaction of NaOH and CH3COOH.
How many grams of NaN3 are required to produce 340 L of nitrogen gas if the gas has a density of 1.25 g/L?
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