4. Indicate which of the following reactions results in a positive AS. a. Ba(NO3)2(aq) + Na...
3. The following figures represent distributions of two types of gas molecules between by an open tube. In which figure is the entropy of the system maximized? e. These are equal entropy systems 4. Indicate which of the following reactions results in a positive ASsys. a. Ba(NO3)2(aq) + Na S0,(aq) = BaSO,($) +2 NaNO3(aq) b. 4 Fe(s) +3 0 () S 2 Fe 0,($) c. 2 H (g) + O2(g) 5 2 H,O(g) d. Zn(s) + 2 HCl(aq) = ZnCl(aq)...
-2. Indicate which one of the following reactions results in a positive ASsys. a. AgNO3(aq) + NaCl(aq) 5 AgCl(s) + NaNO, (aq) b. HCl(g) + H2O(1) SHCl(aq) c. H,(g) +1,(8) $2HI(g) d. C,H,O,(8) S2CO(g) + H, (g) e. H,O(g) SHO(1)
Indicate which one of the following reactions results in a positive DSsys. AgNO3(aq) + NaCl(aq) — 7 AgCl(s) + NaNO3(aq) C2H2O2(g) + 2 CO(g) + H2(g) H2O(g) + H20(1) H2(g) +12(g) D - HI(g) HCI(g) + H2O(1) + HCl(aq)
Redox Equations Which of the following reactions are redox reactions? Identify the substance oxidized, the substance reduced, the oxidizing agent, the reducing agent. 1.2 Mg(s) + O2(g) → 2 MgO (s) 2. H SO. (aq) + Al(OH) (aq) → Al(SO.) (aq) + H,O (1) 3. 2 Na (s) + H2O (1) ► 2 NaOH(aq) + H2(g) 4. Cao (s) + CO2(g) → Caco, (s) 5. AgNO, (aq) + NaCl (aq) ► AgCl(s) + NaNO, (aq) Identify the substance oxidized, the...
Indicate which one of the following reactions results in a positive ?Ssys. a. AgNO3(aq) + NaCl(aq) <-->AgCl(s) + NaNO3(aq) b. HCl(g) + H2O(l) <--> HCl(aq) c. H2(g) + I2(g) <--> 2 HI(g) d. C2H2O2(g) <--> 2 CO(g) + H2(g) e. H2O(g) <--> H2O(aq) The answer is D. Can someone please explain why? and how the answer was determined?
Balance the following reactions and label the type of reaction. POST-LAB PROBLEMS Balance the following reactions and label the type of reaction. 1. Reaction Type Balance Chemical Reaction CaCO, CaO Co, a. Fe CuSO,(n Cu b. FeSO, 4 (a) Al O2 AlO, C. Na SO BaC NaCl d. BaSO, + 4() CH CO, H,O е. + 2 (g) HCI NaOH (aq) но, f. NaCl KNO, РЫ, * _Pb(NO) KI (ag) 2 (a) 3 (ag) 2 (ag) K,SO H,O H_SO КОН...
18) Which of the following is an acid-base reaction? A) Fe(s) + 2 AgNO3(aq) - 2 Ag(s) + Fe(NO3)2(aq) B) MgSO4(aq) + Ba(NO3)2(aq) -- Mg(NO3)2(aq) + Baso C) C(s) + O2(g) - CO2(g) (D) 2 HCIO 4(aq) + Ca(OH)2(aq) → 2 H2O(l) + Ca(C1O4)2 E) None of the above are acid base reactions. 1 Determine the oxidation state of P in PO 33-. A-3 B) 0 C) +6
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"...
Complete the following precipitation reactions, predict the precipitate and balance them. Na2SO4 (aq) + Ba(NO3)2 (aq) Fe(NO3) 3 (aq) + K2S(aq) Pb(NO3) 2 (aq) + Li2SO4 (aq) K2S (aq) + ZnCl2 (aq)
****** Balance all of the following equations******* Part A Na2CO3(aq)+HCl(aq)→NaCl(aq)+H2O(l)+CO2(g)Na2CO3(aq)+HCl(aq)→NaCl(aq)+H2O(l)+CO2(g) Express your answer as a chemical equation. Identify all of the phases in your answer. Part B Submit Request Answer HgO(s)→Hg(l)+O2(g)HgO(s)→Hg(l)+O2(g) Express your answer as a chemical equation. Identify all of the phases in your answer. Part C Submit Request Answer Fe(s)+O2(g)→Fe2O3(s)Fe(s)+O2(g)→Fe2O3(s) Express your answer as a chemical equation. Identify all of the phases in your answer. Part D Submit Request Answer Na(s)+Cl2(g)→NaCl(s)Na(s)+Cl2(g)→NaCl(s) Express your answer as a chemical equation....