Above what temperature does the following reaction become nonspontaneous? FeO(s) + CO(g) CO2(8) + Fe(s) AH = -11.0 kJ; AS =-17.4 J/K %3D

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

Hint: No calculations are required. For the reaction 2HBr(g) + Cl2(g)- >2HCI(g) + Br2(g) AH° = -81.1 kJ and AS° =-1.20 J/K At standard conditions, this reaction would be product favored O at all temperatures. O at relatively high temperatures. O at no temperature. O at relatively low temperatures.

Green plants utilize sunlight to convert CO2 and H2O to glucose (C6H1206) and 02. Use the information in the table below to calculate AHo Substance A H;°(kJ/mol) S° (J/mol*K) CO2(g) -393.5 213.2 H20(1) -285.8 69.9 C6H1206(s) -1273.3 212.1 O2(g) 205.0 134 kJ 2802.5 kJ Cannot be determined – more information is needed. -594 kJ -256.5 kJ

Consider the following reaction: 2NO2(g) S N204(g) The values of AH° and ASº are -58.03 kJ/mol and -176.6 J/K•mol, respectively. Assuming AH° and AS° are temperature independent, estimate the value of K at 363.2 K. K =

. 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.

1. For the reaction: CO(g) +H₂O(g) → CO2(g) +H2(g) Calculate AG at room temperature (25 °C) ΔΗ°= -41.2 kJ AS = -135 J/K

The formation reaction for carbon dioxide at 298 K is: C(s) + O₂(g) → CO₂(g) AƒH° = −393.51 kJ/mol Determine A, Hº at 1000 Kelvin given the following data: Cp values: carbon is 8.53 J/Kmol; oxygen gas is 29.36 J/Kmol; carbon dioxide gas is 37.11 J/Kmol.

What is AS for the following reaction? 2Cl2(g) + SO2(g) SOCI₂(g) + Cl₂O(g) Substance: Cl₂(g) SO2(g) SOCI2(g) C1₂O(g) 223.0 248.1 309.8 266.1 S(J/K. mol):

Consider the following reaction: H2(g)+I2(g)-->2HI(g) Given the following data: H2: delta H*= 0 kJ/mol; S*= 131 J/mol K I2: delta H*= 0 kJ/mol; S*= 104 J/mol K HI: delta H*= 25 kJ/mol; S*= 206 J/mol K Determine the delta G* in kJ for this reaction at 298K.