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- 2. Peaks resulting transitions from n → TT* are shifted to shorter wavelengths (blue shift) with an increasing of solvent polarity. * True False7 Describe the linear Lineweaver-Burk plot. slope y-intercept x-axis y-axis [S] 1/v 1/t t 1/v(max) v(max)/K(M) K(M)/v(max) 1/[S] VMany ions form colored solutions when dissolved in water. For example, aqueous Cu2+ solutions are light blue and aqueous Ni2+ solutions look light green. These metals in particularare often found in stainless steel. Would you expect their presence in your samples to interfere in the spectrophotometric analysis of permanganate at 525 nm? Why or why not? I think the answer is that I would expect the Cu2+ in my samples to interfere but not Ni2+ because the Ni2+ is green, signifying a higher wave length that the spectrometer wouldn't be able to pick up on because it was only set to 525 (blue-ish) where as the green is 530-ish. I just want to make sure thanks!
- 2 Describe the primary barrier towards the broad adoption of FT-IR in the mid-20th century.If the standard addition intercept is the major source of uncertainty, find the uncertainty in the concentration of Sr in tooth enamel in parts per million. Find the 95% confidence interval for Sr in tooth enamel.How would a decrease in the wavelength of light affect the resolution power of a bright-field microscope?
- Given C6H12O2 chemical formula. chemical shift , intergration, multiplicity and interpretation needed.Suppose a student is preparing a set of standard solutions for use in a spectrophotometric study. If percent transmittance, %T, were measured in the standard solutions before the color had a chance to fully develop, the measured value would be compared with solutions that have allowed the color to fully develop.Briefly describe how a phase-contrast microscope work and the kind of image that itproduces. Give a specific use for this type of microscope.
- The validation process comprises four main steps that are : hardware validation, software validation, method validation and system suitability. To evaluate a spectrophotometer’s accuracy by measuring absorbance, a solution of 60.06 mg/L K2Cr2O7 in 0.0050M H2SO4 was carefully prepared together with a 0.0050 M H2SO4 as a reagent blank. If the spectrometer’s signal is properly calibrated, it has been reported that this solution should provide an absorbance of 0.640 +- 0.010 at wavelength 350 nm. Which one of the validations mentioned above had been involved in this process? Explain your choiceQ#18. Why would fluorescence anisotropy not be a useful method when working with a solid sample? I need help with this question.5. How do you calculate the Numerical aperture of an Optic fiber? Find the numerical aperture '0' of a 1.5m plastic optical fiber, if the distance from tip to surface is 5cm and the light radius is 3.5cm?