Which compounds are Lewis acids? Select all that apply. ☐ N=C AICI, (CH3CH2)2HC+ - NaHCO3

Consider the following data on some weak acids and weak bases: acid base Ka name formula name formula hypochlorous acid HC1O 3.0 × 10-8 NH3 1.8 x 10 ammonia acețic acid HCH3CO2 1.8 × 10 ethylamine C2H;NH,|6.4×10-4 Use this data to rank the following solutions in order of increasing pH. In other words, select a 'l' next to the solution that will have the lowest pH, a '2' next to the solution that will have the next lowest pH, and so on. solution pH 0.1 M NH4CI choose one 0.1 M Naclo choose one v 0.1 М KсI choose one v 0.1 M C2H5NH3Br choose one v

Conside following data on some weak acids and weak bases: acid base K. K, name formula formula name hypochlorous acid HCIO 3.0 x 10 8 ethylamine C,H,NH, 6.4 × 10¯4 HCH,CO, 1.8 × 10 hydroxylamine HONH, acetic acid 1.1 × 10 -8 Use this data to rank the following solutions in order of increasing pH. In other words, select a 'l' next to the solution that will have the lowest pH, a '2' next to the solution that will have the next lowest pH, and so on. solution PH 0.1 M KCH3CO2 choose one 0.1 M C2H5NH3Br choose one v 0.1 M NacO choose one v choose one v Explanation Check

What is the pH of a 0.40 M solution of benzoic acid,C6H5COOH? (The Ka value for benzoic acid is given inTable )(a) 2.30 (b) 2.10 (c) 1.90 (d) 4.20 (e) 4.60

Which one of the following correctly shows the weak acid equilibrium for trichloroacetic acid, CCI,COOH? A) CCI,COOH (aq)= CC,Co (aq) + ОН (аq) в) ССІ СООН (аq) + н.о () — CC,COOH, (aq) + OH (aq) С) CI СООH (aq) + Н,О (1) CCI,CoO (aq) + H,0* (aq) D) CCI,COOH (aq) + H,O (1) = CC,CO(OH), (aq) + H* (aq)

I dont understand why certain acids are stonger/how to tell. Its #67 in the texbook of CH. 16 and Im not sure how to approach reasoning why a certain acid might be considered stronger just given the formula.

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The pH of a 0.016 M aqueous solution of p-toluidine (CH3C6H4NH2) is 8.60. Calculate Kb.

Which of the following can be classified as a Lewis base? BH3 I O I only O II, III, and IV O I and II O III and IV || = ||| NH3 IV

Lactic acid (CH3CH(OH)COOH) has one acidic hydrogen. A0.10 M solution of lactic acid has a pH of 2.44. Calculate Ka.