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Why is the C-C bond length in naphthalene C10H8 between the typical single C-C bond length and the typical C=C double bound length?
The activation energy for the isomerization ol cyclopropane to propene is 274 kJ/mol. By what factor does the rate of this reaction increase as the temperature rises from 256 to 297 oC.
Producing hydrogen atoms from H2 molecules requires 436 kJ/mol to break H-?H bonds. For the longest-?wavelength photon capable of breaking a single H-
show that the function y=y(x) =Asin(kx) satisfies that equation d^2y/dx^2 = -k^2y if A and k are constants. This is an example of a differential equation.
a) What are the mole fractions of each component in a mixture of 5.10 g of O2, 7.44 g of N2, and 1.26 g of H2. O2 Your response differs significantly from the correct answer. Rework your solution from the beginning and check each step carefully.
a 3.46 liter sample of a gas was collected over water on a day when the temperature was 21 degrees celsiusand the
If the catalyst pore size is small in comparison with the mean free path, collisions with the pore wall controls the process'. The diffusivity under this condition is called 'Knudsen diffusivity'
What wavelength should the astrophysicist look for to detect a transition of an electron from the to the level
Oxygen-15 has a half-life of 124 seconds. You begin with a 429 mg sample of oxygen-15. You wait 6.20 minutes. What is the total amount of time in seconds
Why are unsaturated carbonyl compounds UV activte but saturated esters and ketones are not UV active
What is the correct method for determining how many moles of calcium oxide are produced in the reaction of 10.g calcium with excess oxygen?
A solution is made by mixing 500 mL of .121 M NaOH with 500 mL of .1 M CH3COOH. Calculate the equalibrium concentrations of H+. CH3COOH, CH3COO-, OH- and Na+
The bais set for the Fe atom consists of valence 3d, 4s and 4p orbitals. Determine the symmetries of these orbitals under Oh symmetry. (c) Construct an MO diagram for the formation of [FeH6]4- from Fe and the H6- fragment Showing which MOs are occ..
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