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By examining two different isotopes one can determine specific features about the molecule and its absorption spectrum.( Spectroscopy is a very useful tool for investigating the properties (e.g. structures) of molecules.)
Calculate the vibrational level energies in units of the Planck constant h for H35Cl and H37Cl where ˜ν35 = 2885.64 cm-1 and ˜ν37 = 2883.456 cm-1, What is the probability of populating the first excited vibrational state (n = 1) at 298 K? Does isotopic substitution affect the probability? Would the intensity of absorption peaks be affected by isotopic substitution? If yes, which isotope has a greater intensity?
A set of data gave an average unpopped kernel of 0.12 grams. How many kernels are in a pound of unpopped corn?
What is the buffer component ratio, ([BrO-]/[HBrO]) of a bromate buffer that has a pH of 7.88. Ka of HBrO is 2.3 x 10-9
Find the pH of a solution that has a weak acid concentration of 1.72 M and a weak base concentration
Nitric oxide has a density = 1.782 g/L at the temperature of 12.64 degree celsius and pressure of 670.7 mm Hg determine the mass percent of Sulfur dioxide?
For the reaction: Rb2SO3(s) + 2HBr(aq) --> 2RbBr(s) + H2SO3 A solid sample of Rb2SO3 weighing 6.24 g reacts with 1.38 L of gaseous HBr, measured at 75°C and 0.953 atm pressure
If you dissolved 0.95g of salt in 100ml distilled water, what is the concentration of salt in this solution in g/ml
during the late 1800s hard rock miners replaced candles with carbide lamps for work in mine shafts. the lamps worked by
If 315 ml of hydrogen gas is collected over water at 25 degrees C at a total pressure of 742 mm Hg , how many grams of Zn reacted?
The solubility of ammonium chloride at 70. C is 60. g of solute per 100. g of water. Which solution would be saturated at 70. C
Please show your work, and I will rate you! TWO PART QUESTION A)What is the rate constant of a first-order reaction that takes 277seconds for the reactant concentration to drop to half of its initial value
What is the pH of a solution which results from mixing 150 mL of 0.50M acetic acid and 150 mL of 0.50M sodium hydroxide at 25oC?
What base is routinely used to clean up an acid spill. Why is it necessary to immediately clean the test tube which contains the silver mirror formed during the Tollen's Test
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