Which of the following reactions would have the most positive AS° value? A) SO2(g) + Na20(s)...
Which of the following reactions would be expected to have a positive entropy change. 4,5> 0? 1.2 SO2(g) + O2(g) → 2 SO3(g) 2. Ba(OH)2(5) - Bao(s) - H2O(g) 3. CO(g) - 2 H2(g) → CH3OH() Select one: a. 1 and 2 b. 1 and 3 c. 1 only d. 3 only e. 2 only ajo
Which of the following reactions is an oxidation-reduction reaction? A) NH4HS(s) → NH3(g) + H2S(g) B) 2 NaHCO3(s) → Na2CO3(s) + H2O(g) + CO2(g) C) N2O4(g) → 2 NO2(g) D) 2 SO2(g) + O2(g) → 2 SO3(g) E) 2 HC2H3O2(aq) + Ba(OH)2(aq) → Ba(C2H3O2)2(aq) + 2 H2O(l)
More Equilibrium: Please write equilibrium expressions for the following reactions: 1. i. 2 SO2 (g) + O2 (g) 2 SO3 (g) il. NH4NOs (s) N2O (g) +2 H20 (g) i CaCO3 (s) + CaO (s) + CO2 (g) iv. HNO2 (aq) +H2O (I) HaO* (aq) + NO2 (aq) 2. Predict which way the equilibrium will shift for each of the following changes: CO (g) + H2 (g) C (s) H2O (g) + heat i. increase [H2O] ii. increase [C0] iii....
13. Balance and set up the equilibrium constant expression for the following chemical reactions: a. SO2(g) + O2(g) SO3(g) b. N2(g) + H2(g) + NH3(g)
7. Which of the following reactions would have a positive value f I. NH3(g) + HCl(g) → NH4Cl(s) 11. Ag+(aq) + Cl-(aq) → AgCl(s) 111, 2H2(g) + O2(g) → 2H2O(g) IV. CakhoBT2 (l) → C6H10 (l) + Br2 (1) V. 2H2O2(g) → 2H2O(g) + O2(g) a). I and II b). I and III c). II and III d). II and IV e). IV and V
Which reaction or process has the greatest positive change in entropy, AS? A. 2 SO2(g) + O2(g) - 2 SO3(g) B. 2 KCIO3(s) - 2 KCl(s) + 3 O2(g) C. 2 Mg(s) + O2(E) – 2 Mgo(s) OD.2 C2H2(g) +5 O2(g) – 4 CO2(g) + 2 H20(1) E. Ag+(aq) + Cit(aq) – AgCl(s)
Which of the following half reactions is MOST LIKELY TO OCCUR at the cathode of an electrolytic cell containing aqueous NaCl? You may use the table of reduction potentials. Group of answer choices a) Cl2(g) + 2 e− → 2 Cl−(aq) b) Na+(aq) + e− → Na(s) c) Cl−(aq) + e− → Cl2−(aq) d) 2 H2O(l) + 2 e− → H2(g) + 2 OH−(aq) e) Na(s) + e− → Na−(aq) Can you explain which reaction I should look for (s,...
2. Which of the following equations will have a negative ∆S? A. 3 H2(g)+ N2(g) --> 2 NH3(g) B. C6H6(l)--> C6H6(g) C. NH4OH(s)--> H2O(l)+ NH3(g) D. NaCl(s) --> Na+(aq) + Cl-(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...
14. In which of the following reactions will Kc = Ko? ooo 4 NH3(g) + 3 O2(g) = 2 N2(g) + 6 H2O(g) 2 SO3(g) + 2 NO(g) = 2 SO2(g) + 2 NO2(g) 4 N2(g) + 2 O2(g) = 4 N2O(g) 6 SO2(g) + 3 O2(g) = 6 SO3(g) None of the above reactions have Kc = Kp.