1. A certain chemical reaction has the following plot of AG° vs. Temperature. Calculate the value of AS° and AH° for the reaction. AG° vs. Temperature -27500 -28450 J -29500 -31500 -33500 -35500 -37500 -39500 40000 J1273 K 350 K-- -41500 250 270 290 310 330 350 370 Temperature (K) AG (Joules)

1. A certain chemical reaction has the following plot of AG° vs. Temperature. Calculate the value of AS° and AH° for the reaction. AG° vs. Temperature -27500 -28450 J -29500 -31500 -33500 -35500 -37500 -39500 40000 J1273 K 350 K-- -41500 250 270 290 310 330 350 370 Temperature (K) AG (Joules)

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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reg # 3 [Review Topics] [References] Use the References to access important values if needed for this question. Consider the following system at equilibrium where AH = 108 kJ, and K. = 1.29 × 10-2, at 600 K: COC1₂ (g) CO(g) + Cl₂ (g) E 20 If the temperature on the equilibrium system is suddenly increased: The value of Ke D Oincreases Odecreases O remains the same The value of Qc Ols less than Ke Ois greater than K O is equal to Ke The reaction must Orun in the forward direction to reestablish equilibrium Orun in the reverse direction to reestablish equilibrium O remain in the current position, since it is already at equilibrium The concentration of Cl₂ will Oincrease Odecrease Oremain the same Submit Ans Show Hint $ 4 000 000 F4 R F % 5 T ry Entire Group Cengage Learning | Cengage Technical Support G A 6 9 more group attempts remaining MacBook Air Y H & 7 U * 00 8 ( 9 K O -0 ) F10 P 4) F11 Previous + 11 Next> Save and Ex A
The Haberprocess is exo thermic. Cthe formation of NH3 from its elements) a) wribe out the balanced Chemical equation (with subscripts) and include energy b) If you were to maximile product yiel, would increase or decrease heat you to the system? c) Explain what stress could have caused the changes the graph below N2 equilibrium reached NH, Concentration (mol/L)
east.cengagenow.com OWLV2 | Online teaching and learning resource from Cengage Le... Use the References to access important values if needed for this questlon. The equilibrium constant, K,, for the following reaction is 0.636 at 600 K. COCI,(g) 2Co(g) + Cl2(g) If AH° for this reaction is 108 kJ, what is the value of K, at 483 K? Kp = Retry Entire Group 1 more group attempt remaining Submit Answer In progress
a) For a reaction with AH = -152.6 kJ mol-¹ and AS°= -543.8 J K-¹ mol-¹ at 25 °C, how will AGº change if the reaction temperature is increased? Explain your answer. b) Calculate the equilibrium constant for the reaction at 80 °C, showing your working (assume AH and AS° are temperature independent).
The below reaction was found to have AH = -3606 kJ mol-1 and AS = 33 J mol- K-1. What is AG for this reaction at 100.2 °C? 90,(g) + 2CH;CHCH,(g) – 6CO,(g) + 6H2O(g) Oa. -3618 kJ mol-1 Ob. -3609 kJ mol-1 Oc. -15927 kJ mol-1 Od. -3573 kJ mol-1 Oe. -3594 kJ mol-1
(aq) assuming Which way will the equilibrium shift if you only had 22.67 grams of I" there is an excess of the other 2 reactant at 100°C. 31 (aq) + H3AS04(ag) + 2H*, 13 (aq) + H3ASO3(aq) + H2O) (aq) AH°{(kJ/mole) S° (J/mole*K) Substance or ion -55.19 180.7 I (aq) -345.69 212.34 H3ASO4(aq) -11.23 11.09 H* (aq) 69.77 -89.6 13 (aq) H3ASO3(aq) -301.27 199.78 H20 (1) -285.8 69.95 left then right Oat oguilibrium +hen loft
Consider the reaction: PbCl2(s) → Pb2*(aq) + 2 Cl (aq) AH° = 23.30 kJ/mol and AS° = -12.5 J/K-mol a) When solid PbCl2 is dissolved in water at 25°C, what are the concentrations of Pb2* and Cl at equilibrium? (Hint: Do your ICE chart and Law of Mass Action.) Concentration of Pb2+: mol/L and Concentration of Cl = mol/L (Do not use superscripts, subscripts, or carets. Write 1.2 x 10-3 as 1.2x10-3 or 1.2e-3.) b) At 25°C, This reaction is (reactant or product) favored. Justify your answer with the appropriate calculation on the separate sheet of paper. c) The Gibbs free energy at 25°C, when both the concentrations of the lead ion and chloride ion are 1.2 x 10-³M is kJ/mol. Show your calculations on the separate sheet of paper.
ient/takeCovalentActivity.do?locator-assignment-take Consider the following system at equilibrium where AH° = 198 kJ, and K. = 2.90x102, at 1.15x10° K. 2S03(g) 2S02(g) + O2(g) If the VOLUME of the equilibrium system is suddenly increased at constant temperature: The value ofK. 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 reestablish equilibrium. B. run in the reverse direction to reestablish equilibrium. C. remain the same. It is already at equilibrium. The number of moles of O, will: A. increase. B. decrease. C. remain the same. Submit Answer Retry Entire Group 8 more group attempts remaining Prev
Complete and balance the following reactions - assume they all go a. solid potassium carbonate plus heatb. solid ferric chlorate plus heatc. solid sodium chromate tetrahydrate plus heat
18. Given the AG°S for the reactions, calculate Ks. Values given for 298 K AG° -560.3 kJ 2 H2(g) a. CH4(g)+2 F2(g) 4(g) 2 NO)Cl2(g) 2 SO3() AG° +40.8 kJ b. 2 NOC (g) AG° = -140.0 kJ c. 2 SO2(g) O2(g)
[References] Use the References to access important values if needed for this question. Consider the following system at equilibrium where AH° = 16.1 kJ, and Kc = 6.50 x 10-3, at 298 K: 2NOBr(g) 2NO(g) + Br₂(g) If the VOLUME on the equilibrium system is suddenly increased at constant temperature: The value of Ke Oincreases O decreases O remains the same The value of Qc O is greater than Ke O is equal to Ke O is less than K The reaction must run in the forward direction to reestablish equilibrium. Orun in the reverse direction to reestablish equilibrium. Oremain the same. It is already at equilibrium. The number of moles of Br2 will O increase O decrease O remain the same Show Hint F5 6 H F6 & 7 KI F7 * 8 DII F8 ( 9 DD F9 ) O F10 P F11 Previous + Next Save and Exit F12 delete
Calculate AH° for the following reaction 3 Fe203(s) + CO(g) – 2 Fez04(s) + C02(8). Species |AH°F, kJ/mol Fe2O3 (s) -824.2 Fe3O4 (s) -11184 CO (g) CO2 (g) -110.5 -393.5 O -577.2 kJ O- 723.3 KJ O -5213.4 kJ O -47.2 kJ