For the reaction 2 CO(g) + O2(g) –2 CO2(g) AG° = -522.4 kJ and AS° = -173.1 J/K at 252 K and 1 atm. This reaction is (reactant, product) | | favored under standard conditions at 252 K. The standard enthalpy change for the reaction of 2.29 moles of CO(g) at this temperature would be kJ.

For the reaction 2 CO(g) + O2(g) –2 CO2(g) AG° = -522.4 kJ and AS° = -173.1 J/K at 252 K and 1 atm. This reaction is (reactant, product) | | favored under standard conditions at 252 K. The standard enthalpy change for the reaction of 2.29 moles of CO(g) at this temperature would be kJ.

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

See similar textbooks

Similar questions

The thermite reaction, Fe2O3(s) + 2 Al(s) ---->2 Fe(s) +Al2O3(s), ΔH° = -851.5 kJ/mol, is one of the most exothermicreactions known. Because the heat released issufficient to melt the iron product, the reaction is used toweld metal under the ocean. How much heat is released permole of Al2O3 produced? How does this amount of thermalenergy compare with the energy released when 2 mol ofprotons and 2 mol of neutrons combine to form 1 mol ofalpha particles?
Use the reaction for the formation of NH3 from its elements N2(g) and H2(g) . This reaction has the following thermodynamic data: ΔfHo (NH3) = - 45.9 kJ/mol and ΔfSo (NH3) = - 99.1 J/mol*K at 298 K a) Write a balanced equation (whole number ratios) for this process and write out the expression for the reaction quotient Q using partial pressures. b) Without doing any calculations, explain how the progression of the reaction will change (more reactants or more products) with respect to 1) increasing temperature, and 2) increasing pressure. c) Calculate the equilibrium constant K at 298 K d) Assuming that : ΔfHo is independent of temperature, calculate K at - 78o C
1. Given the following thermochemical data at 25°C and 1 atm pressure, 3 202(g) + 2B(s) → B203(s) AH° =-1264 kJ O3(g) + 2B(s) → B2O3(s) AH° = -1406 kJ determine AH° for the following reaction at 25°C and 1 atm pressure. 203(g) → 302(g)
Consider the following reaction under standard conditions, in which DHo and DSo are given. CO(g) + 2H2(g) --> CH3OH(g); DHo = -90.5 kJ, and DSo = -219.2 J/K What is DGo if the reaction is carried out at 250oC under standard conditions? Is the reaction spontaneous under this condition? (A) DGo = -35.7 kJ; the reaction is spontaneous (B) DGo = 145.3 kJ; the reaction is not spontaneous (C) DGo = -205.1 kJ; the reaction is spontaneous (D) DGo = 24.1 kJ; the reaction is not spontaneous
. Using the table provided, calculate the thermodynamic property of interest for each given reaction. Thermodynamic Data at 25 °C Species AH in kJ/mol AGº in kJ/mol So in J/(mol·K) Cu (s) 33.2 Cu (g) 337.4 297.7 166.4 CuO (s) -157.3 -129.7 42.6 H2 (g) 131.0 H2O (g) -241.8 -228.6 188.7 H2O (€) -285.8 -237.2 69.9 NO (g) 91.3 87.6 210.8 NO2 (g) 33.2 51.3 240.1 N2O4 (E) -19.5 97.5 209.2 N2O4 (g) 9.16 99.8 304.4 O2 (g) 205.0 ) Determine AS° for H2 (g) + ½ O2 (g) → H2O (g) at 25 °C. (ii) Determine AG° for 2 Cu (s) + O2 (g) → 2 CuO (s) at 25 °C. (iii) Determine AH° for H2O (8) → H2O (g) at 100 °C. (iv) Determine AG° for 2 NO2 (g) + N2O4 (g) at 100 °C.
16. Use enthalpies of formation given to determine the standard enthalpy of reaction for the following: ed oioege Al2O3 (s) +2 Fe 2 Al (s) + Fe2O3 (s) AH° =??? > AH°r(kJ/mol) -825.5 -1676 17. Use the enthalpies of formation and the enthalpy of reaction given below to determine the enthalpy of formation for solid CaC2. CaC2 (s) + 2 H2O (1) → Ca(OH)2 (s) + C2H2 (g) AH° =-127 kJ AH° (kJ/mol) ??? -286 -986 +227
18. Calculate the heat of reaction at constant volume for 5.00 g C3H8 ,considering the following chemical reaction: C3H8 (g) + O2(g) --------------------> CO2 (g) + H2O (g) heat of standard formation: O2 = 0.00 kJ / mole, H2O (g) = -245 kJ / mole, CO2 = -318 kJ/mole and C3H8 = -438 kJ / mole C3H8 = 44.09 g/mole Temperature is 33 oC a. -789 kJ b. -212 kJ c. 412 kJ d. -169 kJ
Heat of reaction (AH°) for the following reaction at 25.0 °C is Fe;O4(6) + CO(g) 3FEO(s) + CO2(g) Given the following Heat of Formation: AHF0304(s) = (-1118 kJ/mol), AHCO(g) = (-110.5 kJ/mol), AHF«06) = (-272KJ/mol), AHco2(g) ( -393.5 kJ/mol),