Answer = B ( only D )
(NH4)2CO3 --- > 2 NH4 + (aq) + CO3-2 (aq)
Pbcl2 --- > Pb+2 (aq) + 2 Cl-1 (aq)
Due to weak nature phosparic acid and methanol does not dissociate.
Which of the following will dissociate completely in dilute aqueous solutions? A. PbCl2(s) B. H3PO4(aq) С....
Which of the following will dissociate completely in dilute aqueous solutions? A. PbCl2(s) В. Н,РО (аq) С. Сн-онfaq) D. (NHa2COglaq) OAB O B,C, D B, D D 7
Which of the following will dissociate completely in ditute aqueous solutions? А. РЬС45) B. H3PO4(aq) С. Cннон аq) D. (NH42CO3(aq)
Silver ions can be precipitated from aqueous solutions by the addition of aqueous chloride: Ag+(aq)+Cl−(aq)→AgCl(s) Silver chloride is virtually insoluble in water so that the reaction appears to go to completion. How many grams of solid NaCl must be added to 25.0 mL of 0.149 M AgNO3 solution to completely precipitate the silver?
Which of the following is/are a strong electrolyte(s)? A. HF B. H3PO4 C. (NH4)3PO4 D. KHCO3 A&D OA&B 0D C& D
(1) For the following pairs of aqueous solutions: (1) KOH(aq) & Ag(NO3)2 (aq) (2) Ba(OH)2 (aq) & Pb(NO3)2(aq) Do the following: (a) Determine if a precipitate forms when the two solutions are mixed. (b) If a precipitate forms write down its molecular formula. (C) Write the net ionic equation for the precipitation reactions. (2) For the acid-base neutralization reactions below. (1) HCI + LiOH (2) HNO, + Ca(OH), Write down the: (a) Molecular equation (b) Net ionic equation (3) Compute...
Please explain your answer
Which of the following reactions is NOT an isodesmic reaction? Н,с-он "сн, CH4 + Hас -Он (А) + (В) ОН + ОН CI н н Н н н Br Br Br (C) + Br Br н Н Br Н Н (D) з СH4 2 Hа Select one: а. А b. В С. С d. D вооо
In the following reaction, which element was reduced? Fe(s) + PbCl2(aq) FeCl2(aq) + Pb(s) Fe Pb осі None of these, this is not a redox reaction
1. What products result from mixing aqueous solutions of Part-1/Mutiple Choice (25x3) Agla(aq) and NaCKaq)? A) Ni(OH)a(s), Na*(aq), and NOs (aq) B) AgCI(s) and Nal(Aq) C) Ni OH)2(aq) and NaNO(aq) D) Ni(OH)(aq) and NaNO(s) 2. Which of the following compounds is soluble in water? A) KCI B) PbBr2 C) CaSO D) AgBr 3. A precipitate will form when a freshly prepared aqueous carbonic acid solution is aqueous solution of A) potassium carbonate. B) ammonium chloride. C) nitrous acid D) calcium...
Which of these compounds is most reduced? он Н он он Он А B с D СА ОВ OD Which reagent(s) when reacted with 1-ethylcyclohexene results in this product? OH OH A. 1. m-CPBA 2. H20/H307 B. Cold dilute KMn04 C. Dilute H2504 OD. 1. Os04 2. Na2SO3 Which is an intermediate in this reaction? HBr Br Br Br A B C D A B с D
(a) Predict which direction the reaction will proceed when an aqueous solutions of phosphoric acid and sodium nitrite are combined, and the following equilibrium is established. (b) Give reason H3PO4(aq) + NO2-(aq) = H2PO4-(aq) + HNO2(aq) (H3PO4K21 = 7.2x10-3, K22 = 6.3x10-8, K23 = 4.2x10-13, HNO2 Ka1 = 7.1X104)