Marked out of 1.00P Flag questionWhat is AG° at 298 K for the following reaction?H2(g) + Br,(g) → 2HB1(g); AH° = –103.8 kJ; AS° = 21.3 J/K at 298 K%3DSelect one:a. -6.451 × 10³ kJO. b. IN0.1 kJOc.6.451 x 10³ kJd. -110.1 kJClear my choiceQuestion 3Not yet answered

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What is AG° at 298 K for the following reaction? H2(g) + Br2(g) → 2HB1(g); AH =-103.8 kJ; AS = 21.3 J/K at 298 K Select one: a. -6.451 x 10³ kJ O. b. N0.1 kJ C.6.451 x 10 kJ O d.-110.1 kJ Clear my choice

What is AG° at 298 K for the following reaction? H2(g) + Br2(g) → 2HB1(g); AH =-103.8 kJ; AS = 21.3 J/K at 298 K Select one: a. -6.451 x 10³ kJ O. b. N0.1 kJ C.6.451 x 10 kJ O d.-110.1 kJ Clear my choice

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...

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57. Determine the value of AG° at 25°C for the reaction 0,(g) +N,O(g) 5 0,(g) +2 NO(g) given the following information: AH{(kJ/mol) OH - 142.7 kJ/mol, S = 238.8 J/mol K S° (J/mol · K) DH - 142.7 kJ/mol, S = 238.8 J/molOK 219.9 238.8 210.7 Substance OH - 142.7 kJ/mol, S = 238.8 J/mol K N;O(g) 0:(g) NO(g) 82.1 142.7 90.3 -40.0 kJ +5.8 kJ +50.0 kJ d. -50.0 kJ e. -94.2 kJ a. b. c.
What is AG for a reaction where AG° = -4.5 kJ/mol and Q = 2.8 at 295 K? (R = 8.314 J/mol K) 2.36 1 4 8 +/- 2.
When solid ammonium chloride, NH4CI(s), is added to water at 25 degrees C, it dissolves and the temperature of the solution (which is the surroundings) decreases. Which of the following is true for the values of AH and AS for the dissolving process? A. AH Is positive; AS is positive O B. AH is positive; AS is negative O C. AH is positive; AS is equal to zero D. AH Is negative; AS is positive
Which of the following statements is TRUE regarding the relationship between AG° and Keg? Select 3 correct answer(s) If AG° is less than Q and Keg is.greater than 1; the reaction is spontaneous. If AG° is less than Q and Keg is less than 1; the reaction is nonspontaneous. If AG° is close to one and Keg is equal to 1; the reaction is at equilibrium. If AG° is greater than O and Keg is greater than 1; the reaction is spontaneous. If AG° is greater than O and Keg is less than 1; the reaction is nonspontaneous.
Consider the following reaction, where AG =-625 J at 300 C, 2 XOG) + Oz(g) 2 X02(g) a) Determine K, at 300 °C. b) Calculate AG° at 300 °C when P(XO) = 8.0x10-4 atm, P(O2) = 0.072 atm, and P(XO2) = 9.0 atm. %3D c)Is the reaction spontaneous when carried out under the conditions in (b)? How do you know? (no points for guessing) d) At 0.00 °C, AG" = 17000 J/mol. Calculate AH and AS.
N2(g) + 3 X2(g) → 2 NX3(g) AfH° (kJ/mol) 0.0 S° (J/(mol K)) 0.0 43 192 210 172 What is AG° for this reaction at 592 K? (in kJ)
Use the data given here to calculate the values of AGn at 25 °C for the Compound AG; (kJ/mol) reaction described by the equation A +387.7 A + B 2C B - 596.8 C +402.0 543.1 AGixn kJ Incorrect If AHxn and ASxn are both negative values, what drives the spontaneous reaction and in what direction at standard conditions? The spontaneous reaction is enthalpy-driven to the left. entropy-driven to the right. entropy-driven to the left. O enthalpy-driven to the right. Incorrect O O O O
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[Review Topilos] 10Refaeiyas Use the References to access important values if needed for this question. Consider the following system at equilibrium where AH° = -10.4 kJ, and K. = 55.6 , at 698 K: H2 (g) + I2 (g)= 2 HI (g) If the TEMPERATURE on the equilibrium system is suddenly increased The value of K. A. Increases B. Decreases C. Remains the same The value of Q. A. Is greater than K. B. Is equal to K. C. Is less than K. The reaction must: A. Run in the forward direction to restablish equilibrium. B. Run in the reverse direction to restablish equilibrium. C. Remain the same. Already at equilibrium. The concentration of I, will: A. Increase. B. Decrease, C. Remain the same. Submit Answer Retry Entire Group 9 more group attempts remaining Prev 50
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Question 18 of 20 Submit Determine AG° for the reaction N,O4(g) =2 NO2(g) (K= 0.144 at 298 K). kJ/mol 1 2 3 C 7 9. +/- x 10 0 LO 00
Calculate AG° for the following reaction using the table below. Do not include units with your answer 2 O3 (g) = 3 02 (g) Species AH°r (kJ) AG°F (kJ) S° (J/K) N2 (g) 191.6 NO (g) 91.3 87.6 210.8 NO2 (g) 33.2 51.3 240.1 N204 (g) 9.16 99.8 304.4 O2 (g) 205.2 O3 (g) 142.7 163.2 238.9