Write the reversible reactions for CH3NH2 with water and identify each species as acid (A), base (B), conjugate acid (CA) and conjugate base (CB)

What is the conjugate acid of the Brønsted-Lowry base, (CH₃)₃N

(a) Using the expression Ka=[H+][A−]/[HA], explain how to determine which solution has the lower pH, 0.10MHF(aq) or 0.10MHC2H3O2(aq). Do not perform any numerical calculations. (b) Which solution has a higher percent ionization of the acid, a 0.10M solution of HC2H3O2(aq) or a 0.010M solution of HC2H3O2(aq) ? Justify your answer including the calculation of percent ionization for each solution.

Calculate the pH at 25 °C of a 0.23 M solution of sodium hypochlorite (NaClO). Note that hypochlorous acid (HCIO) is a weak acid with a pK, of 7.50. a Round your answer to 1 decimal place. pH = 0 ?

Calculate the pH of a 0.10 mol L- solution of hydrazine, N2H4. KŁ for hydrazine is 1.3 x 10-6, Express your answer numerically using two decimal places. • View Available Hint(s) pH = Submit Part E Calculate the pH of a 0.10 mol L-1 solution of hypochlorous acid, HOCI. Ka of HOCI is 3.5 × 108. Express your answer numerically using two decimal places. • View Available Hint(s) ? pH =

In the reaction, HSO (aq) + OH(aq) = pair 1 pair 2 SO42- (aq) + H₂O(, the conjugate acid-base pairs are

Which of the following reactions is an acid-base reaction? A) AGNO:(aq) + KF(aq) → AgF(s) + KNO:(aq) B) NH:(aq) + HF(aq) → NH:"(aq) + -F(aq) C) NO: (aq) + AI(s) → NH3(g) + AIO: (aq) D) CH:(g) + 202(g) - 2H:O(g) + CO:(g)

Which of the following is a complete balanced reaction for an Arrhenius base in water? NaOH (s) 2 NaH (s) + O2 (g) →> ○ Mg(OH) 2 (s) → Mg2+ (aq) + OH (aq) ○ HNO2 (aq) → H+ (aq) + NO₂ (aq) KOH (s) →> K+ (aq) + OH¯ (aq)