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Q: H₂O(g) + CO(g) = H₂(g) + CO₂(g) Which of the following statements are true and which are false. The…
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Q: A solution of ethanol, C₂H5OH, in water has a concentration of 4.246 mol L-¹. At 20.0 °C its density…
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- Why were the absorbance measurements recorded at lambda max (504 nm)? Question 1 options: at lambda max impurities in the sample do not absorb any light Because the allura red dye absorbs red color at 504 nm at lambda max the absorbance is the most sensitive to dye concentration at lambda max the absorbance is the least sensitive to dye concentrationInterpret the IR spectrum.prelab 4) what is beer's law in terms of concentration and absorbance of the absorbing species?
- Why does Cytochrome C have a peak absorbance of 409nm? When proteins usually have a peak absorbance of 280nm..?can you also include another table with ir data, where one column is wavenumber (cm^-1) and the other column is functional group?(b) Determine the topicity of the groups or atoms indicated by arrows : Ph H< (i) H< H3CO OCH3 H focecomt. A (ii) CH3 CH3
- colorcode/ or number ALL of the homotopic protons of the structure. Then choose which group would have the highest shift value, and which group of H would have the lowest shift valuesWhat does it mean in IR spectra when a functional group has strong, medium, or weak intensity? Is it that it has a sharper peak for strong intsenity, or that the peak dips lower on the graph?Calculate ppm, integration, and splitting pattern for each letter.
- Explain how the DEPT spectrum can aid structure determinationColorimetric reagents. Proteins will intensely absorb 280 nm light even in the absence of a colorimetric reagent (See figure). Why is it advantageous to use the Bradford reagent to measure protein concentration rather than just measuring protein absorbance (280 nm) directly?I absorbance data for your methylene blue standards and determine the slope and y-intercept using the linear model equation Y-mX+ b. Once you have appropriately set up your spreadsheet, you should be able to predict the unknown concentration of methylene blue using the absorbance data that you collected. This unknown concentration should be plotted as a separate data point on your figure (with an appropriate label in the key) and should fall along the trendline if calculated properly. ...., create a scatter plot using the concentration Your figure should include the following: O Labelled axes (including titles and units) O A raw data "line" (raw data points) O A trendline that runs through the raw data O A separate data point for your unknown concentration of methylene blue O A key that clearly identifies the data set and the unknown O Figure number O Descriptive title Your spreadshcet should also include the following (which should not be part of your figure): O Slope O Y-intercept