Calculate the enthalpy of reaction for the following reaction: Question 19 Not yet answered Marked out...
Question 17 Not yet answered Calculate the enthalpy of reaction for the following reaction: 2Fe2O3(s) + 3C(s) - 4Fe(s) + 3CO2(g) Marked out of 1.00 Flag question AHI°(Fe2O3(s)) = -824.2 kJ/mol AH(C(s)) = ? AH®(Fe(s)) = ? AH(CO2(g)) = 3935 kJ/mol Answer:
2.Calculate the enthalpy of reaction for the following reaction: Fe2O3(s) + 3CO(g) → 2Fe(s) + 3CO2(g) ΔHfo(Fe2O3(s)) = -824.2 kJ/mol ΔHfo(CO(g)) = -110.5 ΔHfo(Fe(s)) = ? ΔHfo(CO2(g)) = -393.5 kJ/mol
which of the following statements is/are true concerning a state function Using the standard enthalpies of formation listed below, determine the standard enthalpy change for the following reaction: Fe2O3(s) + 3CO(g) ---> 2Fe(s) + 3C02() AH°-m AH" for Fe2O3(s) --824.2 kJ/mol AH® for CO(g) = -110.5 kJ/mol AH", for CO2(g) - -393.5 kJ/mol
Question 6 Not answered Marked out of 1.00 If the above reaction could be done at 3399 K, what would be your estimate for AGº (in kJ) at this elevated temperature? Use AG° =AH° -TAS® and assume AH° and 4Sº are independent of temperature. P Flag question (Theº is included because it is still for standard conditions, that is, 1 atm for gases and 1 molar for concentrations.) Answer: What is Agrº (in kJ) at 2268 K for the following...
Calculate the enthalpy of reaction for the following reaction: 2Fe2O3(s) + 3C(s) → 4Fe(s) + 3CO2(g) ΔHfo(Fe2O3(s)) = -824.2 kJ/mol ΔHfo(C(s)) = ? ΔHfo(Fe(s)) = ? ΔHfo(CO2(g)) = -393.5 kJ/mol
solution pls 13. Find the Hºrn for the reaction 2NH3(g) + 3Cl2(g) → N2(g) + 6HCl(g). AH°F (NH3) = -46 kJ/mol, AH°F (HCI) = -92.3 kJ/mol Answer: -461.8 kJ 14. Use the standard enthalpies of formation to calculate AH°rxn: Fe2O3(s) + 3CO(g) → 2Fe(s) + 3CO2(g) AH°F (Fe2O3) = -826 kJ/mol, AH°F (CO) = -110.5 kJ/mol, AH°F (CO2) = -393.5 kJ/mol Answer: -23 kJ 15. Given the following reaction: B2H6(g) + 6H2O(l) → 2H3BO3(g) + 6H2(g) AH°= -493.4 kJ AH°t...
Question Not yet answered A reaction at 4.21 atm produces 24.6 L of a gas and evolves 69.7 kJ of heat (exothermic). Calculate the change in internal energy of the system (in kJ). Marked out of 1.00 Answer: Flag question Question 8 Not yet answered Marked out of 1.00 1.495 g of an unknown hydrocarbon (108.1 g/mol) burns in bomb calorimeter in excess oxygen. The heat capacity of the calorimeter,cy, = 5.294 kJ/°C and AT -6.744 °C. Find AE for...
can you answe both 1 and 2 with all work 1. The Ksp for Ba(103)2 is 6.0 x 10-10 at 25°C. What is the solubility of this salt in water in grams per liter. (10 pts) 2. Iron(III) oxide can be reduced by carbon monoxide. Fe,O3(s) + 3CO(g) 2Fe(s) + 3C02(g) Use the following thermodynamic data at 298 K to determine the AGº and the equilibrium constant (Kc) at 350 K. (12 pts) Substance: Fe 0,(s) CO(g) Fe(s) CO(g) AH”...
Question 4 Not changed since last attempt Marked out of 1.00 Calculate w (in kJ) when 189 g iron (III) oxide (MM = 159.7 g/mol) reacts with excess carbon to produce carbon dioxide gas at 451 K: 2Fe2O3(s) + 3C(s) + 4Fe(s) + 3CO2(g) P Flag question Answer: Question 5 Not yet answered Calculate the work (in kJ) when 2.20 moles of methane react with excess oxygen at 470 K: Marked out of 1.00 CH4(g) + 20 (g) + CO2(g)...
7. The enthalpy of combustion of C to CO2 is –393.5 kJ/mol C, and the enthalpy of combustion of Co to CO2 is -283.0 kJ/mol CO: C(s) + O2(g) + CO2(g) AH = -393.5 kJ CO(g) + 102(9) CO2(g) AH = -283.0 kJ Using these data, calculate the enthalpy of combustion of C to CO: C(s) + O2(g) → CO(g) AH = ? Answer: -110.5 kJ