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Explain why are fluorescence and absorbance wavelength the same for atomic species?
Provide some diagnostically useful differences you would expect in the IR spectra between starting materials and product for the reaction you carried out (e.g. if I was asked this regarding the oxidation of cyclohexanol to cyclohexanone
electronic transition in a hydrogen atom has a wavelength of 486.2 nm. From what initial energy level (ni) did the electron transition?
Calculate the value of E°cell for a voltaic cell described in each of the following. Enter your answer with 3 significant digits. Enter scientific notation as 1.23E4. (a) Br2(l) is reduced to Br
Air at 25°C and 100 kPa has a dew point of 16°C. If you want to remove 50% of the initial moisture in the air (at a constant pressure of 100 kPa), to what temperature should you cool the air
For a particular redox reaction Cr is oxidized to CrO42- and Cu2 is reduced to Cu . Complete and balance the equation for this reaction in basic solution.
an ibuprofeninfant suspension has 100 mg 5.0 ml suspension. the suggested dose 10 mgkg body weight. determine how many
Define what is the pH of the solution when 18.30 mL of 0.137 M trisodium hemimellitalate (trisodium benzene 1,2,3, tricarobxylate) is mixed with 25.00 mL of 0.274 M HNO3 (to two d.p.)?
methanol a potential replacement for gasoline can be made from h2 and co by reactions co 2h2 - ch3oh. how will this
Liquid methanol can be used as an alternative flu in pickup and SUV engines. An industrial method for preparing it uses the catalytic hydrogenation of carbon monoxide
A 0.955 gram sample of immunoglobulin G is dissolved in water to make 0.182 L of solution, and the osmotic pressure of the solution at 25C is found to be 0.867 mbar. Calculate the molecular mass of immunoglobulin G.
What is the change in internal energy (in J) of a system that absorbs 0.836 kJ of heat from its surroundings
Identify and discuss three key features associated with the combustion of polymeric materials or compounds that are relevant to the safety and health of an EH&S or a FS professional responding
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