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A gold nucleus is located at the origin of coordiantes and an electron is brought to a position 2 angstrom from the origin
calculate the force between the gold nucleus and the electron
calcute the potential enegry of the gold nucleus and the electron
a sample of oxygen occupies 178 mL in a cylinder shown at a barometric pressure of 734 torr and 25 degrees Celcius. If the piston is pushed in and compresses the oxygen sample to 134 mL, what is the pressure (in torr) of the gas?
bathed by an atmosphere of nitrogen at 77K and 1 bar? Assume every nitrogen molecule that strikes the surface sticks and that a nitrogen molecule covers an area of 1.1e^5 pm^2.
What wavelength (in s-1) of light would be required to change the vibrational number from n=0 to n=4, assuming O-H acts as a harmonic oscillator?
Given the initial rate data for the reaction A + B ? C, determine the rate law for the reaction.
the mass of a box containing 1000 washers. The mass is 0.2932 kg. What is the mass of a single washer in milligrams? Write your answer as a decimal.
Which of the following terms define(s) an acid according to the Bronsted-Lowry theory?
How much heat energy, in kilojoules, is required to convert 47.0 g of ice at -18.0 degrees C to water at 25.0 degrees C ?
Determine the pH of a solution prepared by adding 0.0500 mole of solid ammonium chloride to 100 mL of a 0.150-molar solution of ammonia.
Is the lone pair in cycloheptatrienyl anion in sp3 orbital. If so how is it antiaromatic when it does not have an uninterrupted p-orbital
In the electron transport chain, electrons from FADH2 are eventually used to reduce O2 into H2O. Experimentally, the proton motive force created by this process will generate 2 ATP molecules from ADP and Pi, using ATP synthase. From the informatio..
Label the stronger cojugate base [A] H3PO4; phosphoric acid; Ka= 7.5 X 10^-3 or HCOOH; Formaric acid; Ka= 1.8 x 10^-4 [B] CHOOH; Formaric acid; Ka=1.8 x 10^-4; or C6H5COOH; benzoic Acid; Ka= 6.5 x 10^-5
how many grams of sodium lactate nac3h5o3 should be added to 1.00 l of 0.260 m lactic acid hc3h5o3 to form a buffer
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