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How many gram of each of the following substances will dissolve in 100 mL of cold water? Ce(IO3)4 RaSO4 Pb(NO3)2 (NH4)2SeO4
Use values of Ksp and Kf for copper (II) hydroxide and its complex to predict if a precipitate should form in a 0.1 M Cu2+ solution that is 3 M OH-. Ksp Cu(OH)2 = 1.3*10^-20 and Kf Cu(OH)42- = 1.3*10^16
A flask has a mass of 78.23 g when empty and 593.63 g when filled with water. When the same flask is filled with concentrated sulfuric acid, H2SO4, its mass is 1026.57 g
What is the electronic geometry of the oxygen atom, O3 ? Answer a. tetrahedral b. triangular planar c. linear d. T-shaped e. angular
You are in a mountain range with atmospheric air pressure of 520 mmHg, and you wish to boil some eggs. What is the approximate boiling point of the water at this air pressure
1.75 moles of an ideal gas, for which Cv,m =3R/2, initially at 32.0 C and 2.50*10^6 pa undergoes a two-stage transformation. For each of the following states described in the following list, calculate the final pressure, as well as q, w, ?U, and ?..
Do the same to show the formation of both elimination products from 2-bromo-2methylbutane (page 208 lists the two products as 2-methyl-1-butene and 2-methyl-2-butene.)
the label on liquid gaviscon states that each tablespoon 15 ml contains 95 mg of aloh3 and 412 mg of mgco3. how many
Our book shows a radioactive decay series in which a sample that starts out as U-238 eventually winds up becoming non-radioactive Pb-206. The half life for this process is extremely long, being 4.51 x 10^9 years. Consider a radioactive mineral sam..
biological organisms live at great depths in the ocean and they have adapted their bodies to survive at extreme
what is the maximum wavelength of light that can be used to exhibit the photoelectric effect with lithium metal? it requires 279.7 kJ to remove one mole of electrons from Li atoms
write and balance the given chemical equation.1.write balanced chemical equations for the following reactions.nbspwhen
How many theoretical plates does the column have? What is the plate height (in mm) of the column if the column is 11.7 cm long?
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