Which of the following IR bands would you expect for N(CH3)3? O 2 Spikes at around 3400 cm1 O none of these O Methyl ethyl twist at 1380/1475 cm1 O 1 spike at around 3300 cm1 O Sharp band at around 1700 cm1
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- A compound Y (150.0 g/mol) in a 1.00 cm quartz cell has an extinction coefficient (ε) of 23,150 at λmax=235 nm. What is the energy absorbed by the compound at the maximum of the peak? Note that hc=1.98644586×10−25J*m. Report your answer in KJ/mole to the correct number of significant figures. Do not include the units in your answer.A compound Y (150.0 g/mol) in a 1.00 cm quartz cell has an extinction coefficient (ε) of 23,150 at λmax=235 nm. What is the energy absorbed by the compound at the maximum of the peak? Note that hc=1.98644586×10−25J*m. Report your answer in KJ/mole to the correct number of significant figures. Do not include the units in your answer. Please write out steps, will rate. Thank you.1.A compound Y (150.0 g/mol) in a 1.00 cm quartz cell has an extinction coefficient (ε) of 23,150 at λmax=235 nm. What is the energy absorbed by the compound at the maximum of the peak? Note that hc=1.98644586×10−25J*m. Report your answer in KJ/mole to the correct number of significant figures. Do not include the units in your answer 2.In general, we want to have absortions less than or equal to 1. What percentage of the incident light is transmitted when absorption is 1? Report your answer to the nearest whole number. 3.An ethanol solution of 3.5 mg/100 ml of compound Y (150.0 g/mol) in a 1.00 cm quartz cell has an absorbance (A) of 0.972 at λmax=235 nm. What is its molar extinction coefficient? Report your answer to the correct number of significant figures.
- 2. What are some of the factors that can make interpreting IR spectra more difficult and that should be considered to avoid band misinterpretation?In general, we want to have absorptions less than or equal to 1. Given that an ethanol solution of compound Y (150.0 g/mol) in a 1.00 cm quartz cell has an extinction coefficient (ε) of 23,150 at λmax=235 nm, what is the top concentration, in μM, we should consider for compound Y? Report your answer to the correct number of significant figures. Do not report the units in your answer.Suppose you have collected the X-ray powder diffraction pattern of tetragonal BaTiO3 at roomtemperature using copper radiation (λ=1.54 Å) and identified the lattice planes corresponding to thepeaks at each 2θ positions, as shown in the table below. 2θ (°) (hkl) Intensity (%)22.05 (001) 12.022.28 (100) 25.031.45 (101) 100.031.65 (110) 100.038.82 (111) 46.044.86 (002) 12.045.39 (200) 37.050.60 (102) 6.050.98 (201) 8.051.3 (210) 7.056.01 (112) 15.056.3 (211) 12.065.75 (202) 35.0 Determine:a) the d-spacing of the four most intense reflections; b) the lattice parameters a, b and c of the unit cell.