Answer E tel of these
No2- and h20
Conjugate base are those they accept h+
No2-. + H+------hno2
H20. + H+--------- h30+
OD.HNO3 O E. H20 QUESTION 11 Consider the reaction HNO2(aq) + H2O(0-14.10-H30+(aq) + NO2-(aq). Which species...
Consider the reaction HNC,(aq) + H2O(1) = H(aq) + NO2 (aq). Which species is a conjugate base? Select one: O a. Hz0+(aq) O b. NO, (aq) O c HNO3(aq) O d. none of these
Consider the buffer solution: HNO2(aq) + H2O(l) + NO2 (aq) + H30+(aq) • What happens to the concentrations of HNO2 and NO2 when a small amount of acid is added to the solution?
Question 6 4 pts Consider the reaction HC2H302(aq) + H2O(0) ---> H30"aq) + C2H302 (aq). Which species is the conjugate acid? OC₂H₂O₂ ОН,0° 8 H₂O O two of these OHC2H302
Consider the buffer solution: HNO2(aq) + H2O(l) + NO2 (aq) +H30+(aq) What happens to the concentrations of HNO2 and NO2 when a small amount of acid is added to the solution?
Consider the following reaction: HNO2 (aq) + HPO42-(aq) ⇌ NO2-(aq) + H2PO4-(aq) a.)Identify the Brønsted-Lowry acids and bases in the forward reaction b.)State the conjugate pairs for the above reaction. Be specific. Identify the acids and bases in the following reactions and identify the conjugate pairs. HF(aq) + H2O(l) ⇌ H3O+(aq) + F-(aq) CH3NH2(aq) + H2O(l) ⇌ OH-(aq) + CH3NH3+(aq) HCO3-(aq) + HSO4-(aq) ⇌ H2CO3(aq) + SO42-(aq) Complete the following reactions: ____________(aq) + Br-(aq) ⇌ NH3(aq) + HBr(aq) CH3COOH(aq) +...
Question 9 5 pts Consider the following chemical reaction between HSO4 (aq) and H2O(). HSO4 (aq) + H2O(1=5042-(aq) + H3O+ (aq) Select ALL statements that are true regarding the reaction above. SO42-(aq) is the conjugate base of HSO4 (aq). HSO4"(aq) is a base in this reaction. H30*(aq) is the conjugate acid of H20(1). 5 pts Question 10 ... in haated from 200 K to 400K, (see the
Question 1 1 pts Consider a solution that is 0.1 M HF and 0.1 M NaF. This is a mixture of conjugates in equal proportions, which tells you that it is a buffer. What two reactions are relevant to the pH in this situation? NaF --> Nat + F F+H2O <--> HF + OH- HF + NaF --> H+ +Na+ + F2 HF <--> H+ +F Ht+F<--> Nat + F" Question 2 1 pts A buffer solution contains a mixture...
Question 3 1 pts Consider the following chemical reaction H2SO4(aq) + H2011 - HSO4 (aq) + H30* (aq) which answer choice correctly labels acid, base, conjugate acid and conjugate base? H2O*(aq) Answer H2SOdlad) H200 HSO, lad) Choice acid base conjugate base base acid conjugate base acid base conjugate acid base acid conjugate acid conjugate acid conjugate acid conjugate base conjugate base Question 7 1 pts Calculate the pH of a solution that was prepared with 1.46 g of HCl to...
estion 10 of 65 > Consider the reaction. HF(aq) + KOH(aq) — KF(aq) + H20(1) What is the net ionic equation for the chemical reaction? HF(aq) + K+(aq) + OH(aq) — K+(aq) + F (aq) + H2O(1) O HF(aq) + K+(aq) + OH-(aq) — K+(aq) + F (aq) + H+(1) + OH-(1) O HF(aq) + OH-(aq) —> F-(aq) + H2O(1) HF(aq) + K+(aq) F (aq) + H+(1) HF(aq) + K+(aq) K+(aq) + H2O(1) - 11 of 65 > Calculate either...
Consider the buffer system of hydrofluoric acid. HF. and its salt. NaF. HF(aq) + H2O() E H 0*(aq) + F(aq) a. The purpose of this buffer system is to: 1. maintain (HF] 2. maintain [F] 3 maintain pH b. The salt of the weak acid is needed to: (1) provide the conjugate base 2. neutralize added 1,0 3. provide the conjugate acid c. If OH is added, it is neutralized by: 1. the salt 2. HO 3. H,00