8. Determine the standard reaction enthalpy of H2(g) +20(g) H20(g) at 1200 K from the information...

Question

Question

Answer 1

Answer #1

ive. element 2 12 h 2 NoTES No es

Answer 2

Similar Homework Help Questions

4. The standard enthalpy of formation of NH3 (g) is -46.11 kJ mol-' at 298 K....

4. The standard enthalpy of formation of NH3 (g) is -46.11 kJ mol-' at 298 K. Given the heat capacity data below and the data in Problem 2, calculate the standard enthalpy of formation at 1200 K Cp.m (H2 (9))/ J mol K-1 = 29.1 - (0.84 x 10- K-)T Cpm (N2 (g))/ J mol K-1 = 26.98 +(5.9 x 10-'K-!)T
5. (20 pts.) The molar heat capacity CP.m of H2O(g) from 373 K to 473 K...

5. (20 pts.) The molar heat capacity CP.m of H2O(g) from 373 K to 473 K at a constant pressure of 1 atm is Cp,l = 30.54 +(1.03x10-2T) where the units of Cp.m are JK mol!. a) (10 pts.) Calculate AH if 1 mol of H20 (g) is heated from 373 to 473 K at a constant pressure of 1 bar. b) (10 pts.) Calculate AU for the same thermodynamic change of state. Assume ideal gas behavior to do this...
10 Isopropyl alcohol dissociates at higher temperatures (CH3),CHOH(9) - (CH),CO(g) + H2(g) At 452.2 K the...

10 Isopropyl alcohol dissociates at higher temperatures (CH3),CHOH(9) - (CH),CO(g) + H2(g) At 452.2 K the equilibrium constant for the reaction is found to be 0.444. Calculate A, Gº for the reaction. (R = 8.315 J/K mol) 13.05 kJ/mol-rxn 2.3.05 x 103 kJ/mol-rxn 3. 4.90 kJ/mol-rxn 4. -3.05 kJ/mol-rxn 3013151 The following Lewis acid-base reaction has A.G° =-39.9 kJ. - 021 20 700 7 Cd2+(aq) + 4 NH3(aq) [Cd(NH3)4]2+(aq) What is the formation constant of [Cd(NH3)4]2+ at 25 °C? (R...

At 400 K, the reaction N2 (g) + 3 H2 (g) → 2 NH3 (g) reaches...

At 400 K, the reaction N2 (g) + 3 H2 (g) → 2 NH3 (g) reaches equilibrium when the partial pressures of nitrogen, hydrogen, and ammonia gases are 4.00 atm, 1.00 atm, and 1.05 x 10−2 atm, respectively. Given that the standard enthalpy of the reaction at 400K is DH = -94 kJ/mol, estimate the value of the equilibrium constant KP at 450 K assuming that the standard enthalpy of reaction does not vary significantly with temperature in this temperature...
8) Find the molar entropy change when H20 (1) at 1.00 atm and 300 K is...

8) Find the molar entropy change when H20 (1) at 1.00 atm and 300 K is changed to H2O (g) at 1.00 atm and 500 K. The enthalpy of vaporization of H2O is 40.66 kJ mol"! Cp [H2O(1)]=[12.16-1.943 x 10-2T +3.042 x 10-ST?]R Cpm[H,0(8)]=[3.633–1.195 x 10-T +1.34 x 10-?T?]R
The thermal decomosition of dimethyl ether (CH3)20(g) - CH4() + H2(g) + CO(9) is to be...

The thermal decomosition of dimethyl ether (CH3)20(g) - CH4() + H2(g) + CO(9) is to be carried out in an isothermal, 4.00-liter laboratory reactor at 600.0 °C. The reactor is charged with pure dimethyl ether at a pressure of 350.0 torr. After about two hours, the reactor pressure is 725.0 torr. Taking elemental species (C(s), H2(9), 02(9)] at 25°C as references, prepare and fill an inlet-outlet enthalpy table. (See Example 9.5-2) Use tabulated data for methane, hydrogen, and carbon monoxide,...

Determine the equilibrium constant for the following reaction at 459 K. CH2O(g) + 2 H2(g) -...

Determine the equilibrium constant for the following reaction at 459 K. CH2O(g) + 2 H2(g) - CH4(g) + H2O(g) AH° = -94.9 kJ; AS°= -224.2 J/K 1.44 x 10-2 1.23 2.08 x 10-3 35.07 x 10-4 122x 10-1
The standard enthalpy change for the following reaction is -415 kJ at 298 K. Zn(s) + Ch(g) → ZnCl2() AH° = -415 k...

The standard enthalpy change for the following reaction is -415 kJ at 298 K. Zn(s) + Ch(g) → ZnCl2() AH° = -415 kJ What is the standard enthalpy change for the reaction at 298 K? ZnCl(s) — Zn(s) + Cl2(g) The standard enthalpy change for the following reaction is -50.6 kJ at 298 K. N2H40 - N2(g) + 2 H2(g) AH° = -50.6 kJ What is the standard enthalpy change for this reaction at 298 K? N2(g) + 2 H2(g)...
at 1000 K? for the reaction 12. The equilibrium constant, K 2 HI(g) H2(g) I2(g) is 55 at 425 C. Ifa 0.40 mol sample...

at 1000 K? for the reaction 12. The equilibrium constant, K 2 HI(g) H2(g) I2(g) is 55 at 425 C. Ifa 0.40 mol sample of HI was introduced into a 1.00 mL. reaction vessel at 425 C, what are the equibrium concentrations of H2, 12, and HI? 13. Consider the following reaction which is at equilibrium at 25 C 2 NH3(g) + CO2(g) A-152.2 kJ Ni4(NH2CO2X) In which direction will the reaction shift if (a) the pressure is increased (b)...

8. Sodium bicarbonate, NaHCO3, undergoes thermal decomposition according to the reaction: 2 NaHCO3 (s) + Na2CO3...

8. Sodium bicarbonate, NaHCO3, undergoes thermal decomposition according to the reaction: 2 NaHCO3 (s) + Na2CO3 (s) + CO2 (g) + H20 (g). How does the equilibrium position shift as a result of each of the following disturbances? a. 0.20 atm argon is added. b. NaHCO3 (s) is added. c. Mg(CIO)2 is added as a drying agent to remove H2O vapor. d. Dry ice (Solid CO2) is added. e. The volume of the container decreases. f. The temperature of the...