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Electron affinity can be defined for molecules just as it is defined for single atoms. Write a complete chemical equation representing the electron affinity of OH. Include all relevant state symbols.
The molar concentration of Tl+ is M (4 dec places). The molar concentration of Cl- is M (4 dec places).
Draw thw active site of an enzyme that contains a macrocycle coordinated to a transition metal. Explain the function of the enzyme
Calculate the molar solubility of FeCO3 . How many grams of FeCO3 are present in 15.0 L of a saturated solution.
Solid lithium hydroxide is used in space vehicles to remove the carbon dioxide gas exhaled by astronauts. The hydroxide reacts with the carbon dioxide to form solid lithium carbonate and liquid water.
A solution has an H3O1+ concentration of 1.7 10-2 M. What is the hydroxide ion concentration?
Determine the pH of the solution after 1.00 mL of 2.00 M HCl is added to the 100.0 mL solution.
contains 17.0 moles of carbon atoms. How many total moles of atoms does the sample contain?
a 1 l buffer solution with ph 9.05 is desired. one of the two ingredients of the buffer is hcn. what could the other compound be? Suggest a suitable ratio and determine the exact moles of the two compounds to achieve the desired pH.
Two volatile liquids (A and B) form an ideal mixture at 300.0K which just begins to boil at a pressure of 0.3000 atm. The vapor pressure of pure component A is 0.5000 atm and the vapor pressure of pure component B is 0.2000 atm
what is the maximum mass of aspartame you can add to 2.00kg of pure water and still have the solution freeze.
How do you do the problem- The pKa for lactic acid, CH3CH(OH)COOH, is 3.86. At physiological pH (7.40), which is the predominant form
Determine the energy of a photon of each of these wavelengths. Which photon possesses more energy, the red or the purple
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