(a) Use the data given below and calculate A Hº, ASO, AGº, and K, at 25° C for the reaction: 4 NO (g) → 2 N₂O (g) + O₂ (g) (b) Calculate AG for the reaction at 250 °C. (c) At what temperature (°C) is AG equal to zero? In what temperature range is this reaction product- red? Compound NO (g) N₂0 (g) O₂ (g) AH, kJ/mol 90.9 82.05 0 So, J/mol-K 210.76 219.85 205.14

(a) Use the data given below and calculate A Hº, ASO, AGº, and K, at 25° C for the reaction: 4 NO (g) → 2 N₂O (g) + O₂ (g) (b) Calculate AG for the reaction at 250 °C. (c) At what temperature (°C) is AG equal to zero? In what temperature range is this reaction product- red? Compound NO (g) N₂0 (g) O₂ (g) AH, kJ/mol 90.9 82.05 0 So, J/mol-K 210.76 219.85 205.14

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 equilibrium constant for the equation HNO2 (aq) + H2O (l) ⇌ H3O+ (aq) + NO2− (aq) is Ka = 5.6 × 10−4 M at 25.0 °C. a) Calculate the value of ΔG°rxn, in kJ/mol, at 25.0 °C. b) Calculate the value of ΔGrxn, in kJ/mol, at 25.0 °C when [NO2−] = [H3O+] = 1.0 ×10−5 M and [HNO2] = 1.00 M.
53. Please show the process of cancelling out the function of ln. thank you
c
Calculate the standard free-energy changes for the following reactions at 25°C. (a) CH4(g) + 20ztg) → CO2(g) + 2H20(1) (b) 2Mg0(s) → 2Mg(s) + Oz(g)
1. Which of the following processes are spontaneous: spreading of a bad odour through a room; separating a mixture of O2 and N2 into two separate samples, one that is pure H2 and one that is pure N2; the reaction of sodium metal with oxygen gas to form a metal oxide; (a) (b)
A chemist fills a reaction vessel with 2.20 atm methane (CH4) gas, 4.05 atm oxygen ₂) gas, 3.27 atm carbon dioxide (CO₂) gas, and 7.25 atm hydrogen (H₂) gas at a temperature of 25.0°C. Under these conditions, calculate the reaction free energy AG for the following chemical reaction: CH₂(g) + O₂(g) → CO₂(g) + 2H₂(g) Use the thermodynamic information in the ALEKS Data tab. Round your answer to the nearest kilojoule. kJ X Ś
5-For the reaction, A+B C, AH-+30 kJ; AS°=+50 J/K.Therefore the reaction is: (a) spontaneous at all temperatures. (b) nonspontaneous at all temperatures. (d) irreversible at all temperatures (c) reversible at all temperatures 6- How much heat is necessary to convert 2mol of water at( 50°C) to steam at 150°C?The molar heat capacity of liquid water and steam are 75.3 J/mol. K and 36.4 J/mol. K respectively. The heat of vaporization 40.7 KJ/mol. a-81400J 7- From the reactions: b-82.337KJ c-753J d-3641 e- none of them Cgraphia +2H2(g) → CHA(R) AH = -79.9KJ C(graphia + 2Cl2(g) → CCla AH = -139KJ H 20 + Cl₂00) → HCL) AH-92.3KJ 202) calculate AH, for the reaction CH ACE +4Cl2) a- (-615.1KJ) c-(-428.3KJ) 4HCI+CCI b-(-311.2KJ) d- none of them
Find ΔG°rxn for the reaction: N2O(g) + NO2(g)¡ 3 NO(g) Use the following reactions with known ΔG°rxn values:2 NO(g) + O2(g)¡2 NO2(g) ΔG°rxn = -71.2 kJN2(g) + O2(g)¡2 NO(g) ΔG°rxn = +175.2 kJ2 N2O(g)¡2 N2(g) + O2(g) ΔG°rxn = -207.4 kJ
Estimate ΔG°rxn for the following reaction at 307 K.CH4(g) + 2 O2(g) → CO2 (g) + H2O (l) ΔH°= -890.4 kJ; ΔS°= -242.2 J/K +816.0 kJ +66.3 kJ -66.3 kJ -816.0 kJ -250 kJ
AG° is -32.7 kJ/mol of N2 for the reaction at 100°C N2(g)+3H2(g)=2NH3(g) Calculate AG for the same reaction under the following nonstandard conditions: In which direction must the reaction proceed to reach equilibrium? [N2]= 2.00 M, [H2]= 7.00 M, [NH3] = 0.021 M, and T = 100°C. 2.
In which of the following reactions is ASº expected to be negative? O L(s)I(g) O 2NH;(g) → N(g) + 3H3(g) O 2H,0(g) → 2H,(g) + O>(g) O CH;OH(g) → CH;OH(I) O AS° is not expected to be negative for any of these.
Calculate the AH°, AS°, and AG° at 298 K for the following reaction: (Use the values found in Thermodynamic Properties to calculate your answers for questions a and b.) Al2O3(s) + 3 C(graphite) + 3 Cl₂(g) → 2 AICI 3(s) + 3 CO(g) 4.0 -64 a) ΔΗΟ kJ/mol b) AS° ✓ J/K.mol kJ/mol (Determine from the temperature, AH and AS) c) AGO 4.0 76.9 4.0 -89 (d) Is the reaction extensive at standard conditions and 298 K? O Yes O NO (e) Write the expression for K. (Format example: Kp = pHC12 / pH₂. pCl₂ would be entered as K_{p} = pHCI^{2}/pH_{2}. pCl_{2}.) Help chemPad XX (PCO)3 (pCl₂)³ ← Greek (PCO)^3/(pCl_2)^3 Your answer provides a different type of equation than was expected. (f) Calculate the value of K at 298 K 2.51e-16 X (Please answer to 3 significant figures.) (g) Estimate the value of K at 600 K. 1.79e-8 X (Please answer to 3 significant figures.)