AH, АН, 2. Consider the following three reactions: 2 Al (s) + 6 HCI (aq) +...
2. Consider the following three reactions: 2 Fe (s) +6 HCI (aq)-2 FeCls (aq) +3 H2 (g) AH, Fe:Os (s)+6 HCI (aq)2 FeCls (aq) + 3 H2O () AHa 2 H2 (g) +O2 (g)2 H2O () AHc Show how these equations must be summed together according to Hess's Law to determine AH for the combustion of iron (target equation shown below). Also show clearly how the AH values of each of the three reactions must be manipulated to determine the...
Consider these reactions, whereM represents a generic metal. 2 M(s)+6 HCI(aq)2 MC, (aq)+3 H,(g) 1. AH -881.0 kJ 2. HCI(g)HCI(aq) AH274.8 kJ H,()+C() 2 HCI 3. Al-1845.0kJ 4 AH-113.0 kJ MC,(s)MC,(aq) Use the given information to determine the enthalpy of the reaction 2 M(s)+3CL,(g)2 MCI,(6) kJ AH-
Consider the reaction for the formation of aluminum oxide from aluminum and oxygen. 4 Al(s) + 30,(9) — 2 A1,0,(s) AH Express the enthalpy of the following reaction, AH , in terms of AH. 2 Al,0,($) — 4 Al(s) + 302(g) AH, AH2 = estion 9 of 10 > Express the enthalpy of the following reaction, AH3, in terms of AH. 12 Al(s) +90,(8) — 6 A1,0,(s) AH AH3 = Express the enthalpy of the following reaction, AH4, in terms...
Consider these reactions, where M represents a generic metal. 2 M(s) + 6 HCl(aq) — 2 MCI,(aq) + 3 H, (g) AH = -905.0 kJ ni HCI(g) - HCl(aq) AH= -74.8 kJ AH; = -1845.0 kJ H2(g) + Cl2(g) 2 HCl(g) 4. MCI,(s) — MCI, (aq) AH = -249.0 kJ Use the given information to determine the enthalpy of the reaction 2 M(s) + 3 C1 () — 2 MCI,() AH
Determine the number of grams of HCI that can react with 0.750g of Al(OH), according to the following reaction Al(OH)3(s) + 3 HCl(aq) → AICI,(aq) + 3 H20(aq) STARTING AMOUNT ADD FACTOR 3 78.00 1 6.022 * 102 18.02 1.05 1 2.25 0.750 0.117 0.351 9.60 * 10 0.0288 36.46 133.33 g AICI g HCI mol HCI 9 Al(OH)3 g H30 mol H20 mol Al(OH)2 mol AICI mol AICI, GAICIS Determine the number of grams of HCI that can react...
Hess's Law (b) Given the following thermochemical data: 2HNO3(aq) +A920(s) - H2O(1) +2AgNO3(aq) AH = -44.8 kJ Ag20(s) - 2Ag(s) + 1/2O2(9) AH = 31.0 kj H20(1) - H2(9)+1/202(9) AH = 285.8 kJ Use Hess's Law to determine AH for the reaction: Ag(s)+HNO3(aq) → 12H2(9)+AgNO3(aq) AH =
Consider these reactions, where M represents a generic metal. 1. AH = -741.0 kJ AH = -74.8 kJ 2 M(s) + 6 HCl(aq) 2 MCI, (aq) + 3 H, (g) HCI(g) — HCl(aq) H2(g) +CI,() — 2 HCI(8) MCI,(s) – MCI, (aq) 3. AH = -1845.0 kJ 4. AHA = -256.0 kJ Use the given information to determine the enthalpy of the reaction 2 M(s) + 3 C1, (g) — 2 MCI, () AH =
Consider these reactions, where M represents a generic metal. 2 M(s) + 6 HCl(aq) — 2 MClz (aq) + 3 H2 (g) AH= -663.0 kJ 2. HCl(g) — HCl(aq) AH2 = -74.8 kJ 3. H2(g) + Cl2 (g) — 2 HCl(g) AH3 = -1845.0 kJ 4. MCI,(s) — MC13(aq) AH4 = -276.0 kJ Use the given information to determine the enthalpy of the reaction 2 M(s) + 3 Cl2(g) — 2 MClz (s) AH = AH = 1
A chemist measures the enthalpy change AH during the following reaction: 2 Al(OH)3(s)A12O3(s) + 3 H20(1) AH=41. kJ Use this information to complete the table below. Round each of your answers to the nearest kJ/mol, reaction ΔΗ Ι A1,0,(s) + 34,0(1) — 241 (OH), (5) - 41 kJ x 6 ? Al(OH),(s) — 41,03(s) + 4,0(1) 14K 3A1,03(s) + 9H20(1) ► 6Al(OH),(s) ПkJ
18 of 22 > Consider these reactions, where M represents a generic metal. 1. 2 M(s) + 6 HCl(aq) + 2 MCI, (aq) + 3 H,(8) AH, = -590.0 kJ HCI(g) + HCl(aq) AH= - 74.8 kJ H2(g) + CL (8) 2 HCI(g) AH, = -1845.0 kJ MCI,() MCI, (aq) AHA = -300,0 kJ Use the given information to determine the enthalpy of the reaction 2 M(s) + 3 CI,(g) 2 MCI, (8)