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If liquid mercury as well as oxygen combine to make mercury(II) oxide, define what is the percent yield of HgO if 350.0 grams of Hg(l) react with 150.0 g of O2(g) to produce 272.3 grams of the product?
1) Use Coulomb's law to calculate the ionization energy in kJ/mol of an atom composed of a proton and an electron separated by 166.00pm 2) What wavelength of light would have sufficient energy to ionize the atom
what is the molecular equation, ionic equation, and net ionic equation for magnesium reacting with hydrochloric acid
A chemical process requires 8.700 g-mol of calcium sulfate (CaSO4) for a reaction. How many grams are in 8.700 g-mol of calium sulfate
calculate the massvolume percent of a solution in which 168 of is dissolved in enough water to give a total volume of
How many moles of NaOH are needed to raise the pH of a 4.50 L tank containing 0.00100 M HCl solution to 3.50?
Calculate the mass of aluminum deposited on the purified aluminum metal by the application of a current of 1.225 kiloamperes for 30 minutes from a very large quantity of a solution containing Al3+ ion in the Al2O3/Na3AlF6 molten state.
A common by-product in this reaction is biphenyl, which is generated through a coupling reaction of phenylmagnesium bromide with unreacted bromobenzene. Draw the structure of biphenyl.
Derive an expression for the compression factor of a gas that obeys the equation state p(V-nb) = nRT, where b and R are constants. If the pressure and temperature are such that Vm = 10b, what is the numerical value of the compression factor
Tooth enamel is mainly hydroxyapatite. If 1.150g of tooth enamel reacts with hydrochloric acid to give 1.231g of calcium chloride, what is the percentage of hydroxyapatite in the tooth enamel sample
C6H12 + 9O2 ----> 6CO2 + 6 H2O 42 grams of cyclohexane burns in excess air to from carbon dioxide and water. How many grams of carbon dioxide and of water vapor are produced
Use the kinetic theory in this equation if a given mass of gas in a fixed volume exert a higher pressure when the temperature is increased and why
a 4.10 g nugget of pure gold absorbed 278 j of heat. what was the final temperature of the gold if the initial
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