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Presume H atom circulates around a stationary atom I in a plane at a distance of 161 pm. Compute (a) moment of inertia of the HI molecule (b) the greatest wavelength of the radiation that can excite the HI molecule into the rotation.
Suggest a reason that TLC plates that are stored in a highly humid room result in different Rf values than plates that are stored in a dehumidified enviorment.
the haber process is very important for agriculture because it converts n2 g from the atmosphere into bound nitrogen
The potential energy associated with being a given height above the Earth%u2019s surface is mgh. Using this definition of potential energy, determine the ratio for the pressure at height h (Ph) to the pressure at height h = 0 (P0).
The Ksp of BaSO4 is is 1.1 x 10^-10 at 25 degrees C. What mass of BaSO4 (molar mass = 233.4 g/mol) will dissolve in 1.0 L of water at 25 degrees C
sulfur dioxide and molecular oxygen react to form SO3 according to the following equation. in one experiment, 2.00 mol of SO2
Determine the volume of .450M NaPO4 is needed to precipitate all the lead(II) ions from 190.0mL of .550M Lead(II) nitrate?
A first order reaction has a half life of 26.4 sec. How long will it take for the concentration of the reactant to fall to 1/8 of its original value
an unknown hydrocarbon with the formula c7h12 reacts with one equivalent of h2 over pd. when the hydrocarbon reacts
When 4g of sodium hydroxide (NaOH) was dissolved in 100g of water, a value of 10C was obtained for ?T. Calculate the value (calories) for the heat of solution of 4g of NaOH.
Calculate the activity and activity coefficient for ethanol in this solution. c. Calculate ?mixG for a solution that contains 0.12 moles of ethanol and 0.83 moles of chloroform at 35.0 oC.
Calculate the amount of heat energy in each of the following: A) calories removed to condense 125g of steam at 100 degrees celsius and to cool the liquid to 15 degrees celsius
a metal piece of mass 27 grams at the temperature of 99 degree celsius is positioned in a calorimeter having 45.1 g
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