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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 providedConsider 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)If 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+
- 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,"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+.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).ontent/2973671/viewContent/1868045/View a) CH;SH + H,0 CH;S + H3O* b) CH;CH,NH, + H2O CH;CH,NH, + OH