if you can't answer all ,please don't answer 1) of the reactions below, which one is...
9) What is the total number of atoms in 0.139 mol of Fe(OH263-? A) 19.0 B) 2.64 98.37. 1022 D) 1.59. 1024 E) 184. 1024 10) How many carbon atoms are there in 52.06 g of carbon dioxide? A) 8.648.10-23 B) 3.134 x 1025 C) 7.122 1023 D) 5.206 X 1024 E) 1.424 . 1024 11) A nitrogen oxide is 63.65% by mass nitrogen. The molecular formula could be A) NO B) NO2 CN204 D) N20 E) either NO2 or...
1) The net ionic equation for the reaction between aqueous nitric acid and aqueous sodium hydroxide is A) H+ (aq) + HNO3 (aq) + 2OH- (aq) → 2H20 (1) + NO3- (aq) B) HNO3 (aq) + NaOH(aq) → NaNO3(aq) + H20 (1) C) H+ (aq) + OH- (aq) + H2O (1) D) HNO3 (aq) + OH- (aq) + NO3- (aq) + H2O (1) E) H+ (aq) + Na+ (aq) + OH- (aq) → H20 (1) + Na+ (aq) 2) Which...
help with thes 12. In the reaction, K2SO4(99) + Ba(NO3)2(aq) + BaSO4(s) + 2 KNO3(aq), which ions are the spectator ions? a. Ba2+ and SO42- b. Ba2+ and K+ c. Ba2+ and NO3 d. K+ and SO42- e. K+ and NO3 13 Which is the net ionic equation for the reaction which takes place when HCl(ag) is added to KOH(aq)? a. HCl(aq) + KOH(99) KCl(aq) + H2O(1) b. H(aq) + OH(aq) + H2O(1) c. HCl(aq) + OH(aq) + Cl(aq) +...
please circle the correct answer. don't worry about showing work. 1) of the species below, only_ _ is not an electrolyte. A) HCI B) Rb2S04 C) Ar D) KOH E) NaCl 2) Aqueous potassium chloride will react with which one of the following in an exchange (metathesis) reaction? A) calcium nitrate B) sodium bromide C) lead nitrate D) barium nitrate E) sodium chloride 3) When aqueous solutions of are mixed, a precipitate forms. A) NiBr, and AgNO, B) Nal and...
1. Which of the followi ch of the following reactions is not readily explained by the Arrhenius concept of acids and bases? a. A. HCl(aq) + NaOH(aq) - NaCl(aq) + H20() b. H30(aq) + OH-(aq) + 2H20(1) c. HCI(g) + NH3(g) - NH4Cl(s) d. HC2H302(aq) + H2O(l) H30*(aq) + C2H302-(ag) e. H30 (aq) + OH-(aq) + 2H2O(aq) 2. Classify each of the following species as Brønsted acid or base or both: a) H20, b) OH", c) H30, d) NH3, e)...
Please show all work for all questions, with a clear answer. (5-10) thank you! reaction of Which of the following is a base anhydride? Which of the HCO( wih awing is the net ionic equation for the neutralization 6) liCK H:O 1icioraq) + NaOH(aq) → HOT) + NaClO(aq) acid, will form water as one mixed with an ? which of the following compounds, when of its products? d) Ca(01h д) Hasodaq) 8) b)Neso, e) Ca(NO), Which of the following is...
31). 31) To convert a given number of moles into the number of atoms, one would multiply by which of the following factors? A) 1.66 x 10-24 atoms/1 mol B) 1 mol/6.022 x 1023 atoms C) molar mass D) 6.022 x 1023 atoms/1 mol E) 1 mol/1.66 x 10-24 atoms 32) 32) How many atoms of sulfur are present in a 155 g sample of sulfur? [Molar mass: S, 32.06 g/mol] A) 6.02 x 1023 atoms B) 2.91 x 1023...
hese processes occur spontaneously Which processes or reactions, if any, are classified as irreversible? Snow melting. □ Barium sulfate precipitating from solution. An acid dissolves in aqueous solution. -Fe(s) + 5 CO(g)--Fe(CO)6() -Nico3(aq) + 2 HCl(aq)-NiCl2(aq) + CO2(g) + H2O()
1. Which of the followi ch of the following reactions is not readily explained by the Arrhenius concept of acids and bases? a. A. HCl(aq) + NaOH(aq) - NaCl(aq) + H20() b. H30(aq) + OH-(aq) + 2H20(1) c. HCI(g) + NH3(g) - NH4Cl(s) d. HC2H302(aq) + H2O(l) H30*(aq) + C2H302-(ag) e. H30 (aq) + OH-(aq) + 2H2O(aq) 2. Classify each of the following species as Brønsted acid or base or both: a) H20, b) OH", c) H30, d) NH3, e)...
please write legible. answer all questions. 1. Identify each of the following reactions as a precipitation reaction, an acid-base reaction or as a redox reaction Pb(NO), (aq) + 2 HCl(aq) - PbCl(s) + 2 HNO(aq) b. 2 H2 + Oxel - 2 H2O CHNO, (aq) + KOH(aq) - KNO, (aq) + H2O (1) d. Zn + 2HCl - ZnCl + H e. Ba"(aq) + 2 Br(aq) + 2 Na' (aq) +SO. (aq) BaSO. (s) + 2 Na'(aq) + 2 Br"...