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Q: Calculate the pką of an acid with Ka = 7.77 x 104. %3D A. 3.110 B. 7.160 C. 10.089
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Q: The base peak in the mass spectrum of benzyl bromide (PHCH2B1) has a m/z of 91. Draw the structure…
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DRAW THE Structure of Charged Fragment OF THE 2 SAMPLE GIVEN ABOVE
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- LEKS X A ALEKS-Allie Fleming - Learn X + wu.aleks.com/alekscgi/x/Isl.exe/10_u-IgNslkr7j8P3jH-IQUHIQg6bJxmeSyVpHOEB1plef9xyC5Ca9QIFwtxr00buHbeXUZhX-WNTXJ1_nmqsj0g EocTE5oCPLW220suaHKGGrEdkEV2?10... # 3 E O ADVANCED GENERAL CHEMISTRY Using the general properties of equilibrium constants At a certain temperature, the equilibrium constant K for the following reaction is 0.0056: N₂(g) + O₂(g) 2 NO(g) Use this information to complete the following table. Suppose a 18. L reaction vessel is filled with 0.40 mol of NO. What can you say about the composition of the mixture in the vessel at equilibrium? $ V What is the equilibrium constant for the following reaction? Round your answer to 2 significant digits. 2 NO(g) N₂(0)+ O₂(9) What is the equilibrium constant for the following reaction? Round your answer to 2 significant digits. 3 N₂(0)+30₂(0) 6 NO(g) Explanation -- A 59 R F 1/ 48 % Check 5 ■ T G d- ^ Q Search 6 4+ Y H & 7 all fo O There will be very little N₂ and 0₂. O There will be very…C3H4O 11 10 HSP-00-252 9 - 00 8 7 6 5 ppm ₁2H 4 3 1H 1H N6. Identify the reagents that would allow accomplishing each of the following transformations. More than one reagent and one step may be required. Pay close attention to stereochemistry. As a good practice, determine if the reaction goes through SN1 or SN2 mechanism.
- m Z 15 28 29 35 37 49 51 64 66 Rel. Intensity 1.1 82.2 71.9 1.8 0.6 27.0 8.1 100 32.5 Proposed Fragment Identity of Assigned Unknown: Bond(s) broken to form proposed fragment50 uL of an aqueous sample of double-stranded DNA is dissolved in 950 uL of water. This diluted solution has a maximal absorbance of 0.326 at 260 nm. What is the concentration of the original (more concentrated) DNA sample, expressed in ug/uL?Determine the isotopic peak scheme for [ReCl]+ fragment in the mass spectrum? 185Re: %37 ; 187Re: %63; 35Cl: %76; 37Cl: %24
- Using the Beer-Lambert's Law, calculate the concentration of the riboflavin with an absorbance of 0.800 at 450 nm, a 1.000 cm optical path length and a molar extinction coefficient of 14,000 M-1 cm-1. Conc. of riboflavin = M. 3 sig. figuresThe mass spectrum of benzocaine is given below. Draw the structures of the fragment ions that give arise to the peaks at m/z= 165, 137, 120, and 92. 70eV Electron kanization Mass Spectrum Aonarce H2N benzocaineCalculate the (a) Linearity constant (r), (b) y-intercept, (c) Slope, and (d) Protein content of an unknown sample having an absorbance of 0.325.