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- There are two pH values in which Glutamic acid will have an a complete net charge of 2.17? what is the lowest PH1 and highest of pH2 round your amswers to the nearest 0.1 no orher information was providedIf a diprotic acid, H2A, has a pK1 = 2.20 and pK2 = 9.31, what is the principal species of this compound at pH = 5.13? O H2A O A2- OHA O H3A+Consider the following five weak acids: Succinic acid: pKa = 4.16HOBr: Ka = 2.06 x 10-9Dinicotinic: pKa = 2.08Nitrobenzoic: Ka = 6.95 x 10-3Saccharin: pKa = 11.68 Order these acids from the strongest (1) to the weakest (5)
- At what pH will the concentration of a compound with a pKa = 3.7 be 10 times greater in its acidic form than in its basic form? Express your answer using one decimal place. VO ΑΣΦ pH = ?22-59 What is the effect of salt bridges on the tertiary structure of proteins?Formula Structure NH NH |C4H11N5 ` NH2 For Metformin Draw what your molecule would look like at a pH of 1 and clearly identify the overall charge. 7. 12Draw what your molecule would look like at a pH of 13 and clearly identify the overall charge.
- 3. For the following acid - base reaction, (a) predict the products; (b) identify the Bronsted acid, Bronsted base, conjugate acid, and conjugate base; (c) use curved arrows to show the flow of electron pairs in the reaction. CH3 CH2C-OH + NaNHaConjugate Acid Name Formula Ammonia NH3 NH, + 1.8 x 10-5 Methylamine CH,NH, CH3NH3 + 4.38 x 104 Ethylamine C,H;NH, C2H;NH3 + 5.6 x 10 Aniline C,H;NH, C,H5NH3+ 3.8 x 10-10 Pyridine C; H;N C,H; NH+ 1.7 x 10-9 a. Which is the stronger base, ClO, or CgH;NH2 ? b. Which is the stronger base, H20 or C; H5N? c. Which is the stronger base, OH or C; H;N? d. Which is the stronger base, C,H;NH, or C,H&NH2 ? Drag and drop your selection from the following list to complete the answer: C; H5N C,H;NH2 C,H; NH2 H20 OH Cl0,"What steps would you need to take to calculate the pKa1 and pKa2 of something? For example: hydrosulfuric acid H2S(aq) (-38.6 ΔH^0 f kJ mol^-1).
- Q1- expaline why atmospher is slightly acidic ?(a) Given that Kb for ammonia is 1.8 x10-5 and that forhydroxylamine is 1.1 x 10-8, which is the stronger base?(b) Which is the stronger acid, the ammonium ion or thehydroxylammonium ion? (c) Calculate Ka values for NH4+and H3NOH+.ontent/2973671/viewContent/1868045/View a) CH;SH + H,0 CH;S + H3O* b) CH;CH,NH, + H2O CH;CH,NH, + OH