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The quantum number that defines the probable distance an electron is from the nucleus is the what?
Calculate how long will it take for a sample of radionuclide with a half-life of 27.1 days decay to 1.0% of its original value.
oxygen gas reacts with powdered aluminum according to the following reaction 4als 3o2 g 2al2o3s. how many liters of
A solution contains a mixture of pentane and hexane at room temperature. The solution has a vapor pressure of 251{rm torr} . Pure pentane and hexane have vapor pressures of 425
molecular I2 dissociates into iodine atoms at 625 K with a first-order rate constant of 0.271 s-1. What is the half-life?
Explain why Markovnikov's rule is needed to predict the products of hydration and hydrohalogenation, but is not needed to predict the products
Suppose scheme one involves the reaction of the Grignard reagent containing more carbon atoms with the carbonyl compound containing less carbon atoms and scheme two involves the reaction of the Grignard reagent containing less carbon atoms with th..
20 kg of gas burns with 83kg of oxygen produces how much total mass of carbon dioxide and water?
Nitrogen and Oxygen gases may react to form nitrogen monoxide. At 1500 C, Kc=1.0*10-5. If .030 mol N2 amd O2 are sealed in a 1.0 L flask at 1500 C. what is the concentration of NO when equlibrium is established
a gas in a sealed container has a pressure of 125 kpa at a tempurature of 30.0 degrees celcius. if the pressure in the
Calculate the mass flow rate and power needed to run the compressor while assuming that oxygen can be treated as an ideal gas and that the gas at the entrance and at the exit is in local equilibrium.
What concentration of naphthalene in grams per liter would be needed to give an absorbance of 1.0 at 220nm
Calculate the maximum bond extension in Angstroms past equilibrium in HCl35 in its first excited vibrational state. The fundamental absorption frequency of this molecule is 2885 cm-1.
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