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Using scanning tunneling microscopy, scientists at IBM wrote the initials of their company with 35 individual xenon atoms.
Calculate the total mass of these letters in grams (m_Xe = 131.29 amu).
Given that the atomic mass of carbon is given as 12.0107 g/mol, what are the approximate relative abundances of the two isotopes 12C and 13C?
A solution is made by dissolving 0.100 mols of NaOCl in 100.0 mL of water. The Ka of hypochlorous acid (HClO) is 3.0*x10^-8 at 25.0 C. a.) Write any relevant chemical equations or equilibrium reactions.
Suppose that you developed your own new temperature scale, denoted oN. You chose 30.0oN as the temperature of freezing water and 280oN as the temperature of boiling water at 1.0 atm pressure.
What is effective diffusion coefficient of CH4 in the nanochannel at the feed gas conditions? Is Knudsen diffusion important?
Chemistry Reaction: 2LiOH + CO2 -> Li2CO3 + H2O Is the following equation balanced? Determine the number of atoms for each element in the reactants.
how many liters of H2 would be formed at 528 mm Hg and 12 degrees celcius if 28.0g of zinc was allowed to react
A sealed container contains 6 mol of hydrogen and 1 moles of nitrogen gas. If the total pressure in the container is 1.5 atm, what is the amount of pressure exerted by the hydrogen?
Determine the solubility of N2 in water exposed to air at 25 C if the atmospheric pressure is 1.2 atm. Assume that the mole fraction of nitrogen is 0.78 in air and the Henry's law constant for nitrogen in water at this temperature is 6.1 10-4 M/at..
what would be the effect on the pH of adding 1 gram of sodium oxalate to the original buffer
C3H8 + 5O2 reacts to yield 3CO2 + 4H2O +488 kJ What is the heat released if 2.5 moles of C3H8 reacts completely with oxygen?
A 0.200 M solution of a weak monoprotic acid HA is found to have a pH of 3.00 at room temperature. What is the ionization constant of this acid?
Molecular weight and mole concept : key informaiton, If Aluminum Chloride reacts with Copper II Carbonate and 0.25 moles of Aluminum Chloride are used, how much Copper II
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