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How many moles of hydrogen are in a sample of octane, C8H18, that contains 303.9 grams of carbon
List the 4 quantum #s for the 32nd e- of cesium, I know that n = 4, and l = 1. However, can the magnetic quantum number equal -1, 0, or 1? There is no way to assign these numbers to the px, py, pz orbitals? And can the spin magnetic quantum number be either +1/2 or -1/2?
would bromine be a more or less effective disinfectant and bleaching agent than chlorine
The reaction for the decomposition of dinitrogen pentoxide to form nitrogen dioxide and oxygen gas has the rate constant 1.7 x 10-3 s-1. This is a first order reaction.
draw the mechanism of the reaction of acetone and cis-1,2- cyclohexanediol in the presence of hydrochloric acid to form the acetonide 3?
Use regression analysis to investigate the relationship between the number of fatal accidents and the percentage of drivers under the age of 21. Discuss your findings.
Express the hamiltonian operator for the internal motion of Li atom and the proper expression for the approximate
A physician treating a patient with megaloblastic anemia might be tempted to treat the patient with folic acid to see if a simple folate deficieny is involved.
Given the following data H Cl bond enthalpy = +431 kJ/mol, ?Hf HCl(g) = -92.31 kJ/mol
What is the concentration of X when the potential is 0.0490 V? Assume that the electrode follows the Nernst equation, the temperature is at 25°C, and that the activity coefficient of X is 1.
Thermochemistry : Comparing Heat Capacity of Bricks and Water, A house is designed to have passive solar energy features. Brickwork incorporated into the interior of the house acts as a heat absorber. Each brick weighs approximately 1.8 kg
During the late 1800's, hard rock miners replaced candles with carbide lamps for work in mine shafts. The lamps worked by dripping water onto calcium carbide that generated acetylene gas (H2C2) that was burned.
Compare the structure of propranolol with noradrenaline and identify which features are similar in both molecules. Suggest why this molecule might act as an antagonist rather than an agonist
use a solid line to represent the correct calibration line and a dotted line for the line with the systematic error.) Also discuss the advantages and disadvantages of spectral methods of analysis.
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