Calculate ASuniverse and determine the reaction's spontaneity when ASrxn = +25.3 J/K andAHrxn = -49.0 kJ at 298 K.%DASuniverse = 189.7 J/K; spontaneousASuniverse = -139.1 J/K; spontaneous%3DASuniverse = -139.1 J/K; non-spontaneousASuniverse = 189.7 J/K; non-spontaneous%3D

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Answered: Calculate ASuniverse and determine the…

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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The Answer is D but I dont know how to get it
Determine the values of AH', AS'and AG'for the following two reactions at 25 °C, using the data given in the table. Indicate if each of reactions is spontaneous or not Substance AH; (KJ'mol) S° (JKmo) AG; (kJ'mol) H-(g) 131 N2(g) 192 NH; (g) -46 193 -17 so,(g) -396 257 -371 H,0(1) -286 70 -237 H,SO, (aq) -909 20 -745 3 H2(g) + N, (g) - 2 NH3(g) b. So;(9) + H,0(1) - H,SO, (aq)
Calculate the standard entropy of formation of liquid ethanol at 25°C. [S0(Cgraphite) = 160.70J/K•mol, S0(O2) = 205.14 J/K•mol, S0(H2) = 130.68 J/K•mol, S0(C2H5OH) = 130.68 J/K•mol]
Using the provided data, determine the temperatures at which the following hypothetical reaction will be spontaneous under standard conditionsA + B → 2C + D△S°rxn = 249.1 J/K△H°rxn = 104.6 kJ * at no temperatures * at all temperatures below 146.9 °C * at all temperatures above 146.9 °C * at all temperatures above 238.1 °C * at all temperatures below 238.1 °C * at all temperatures
The reaction, Fe203(s) + 3C(s) → 2Fe(s) + 3CO(g) AH° = +490.7 kJ, AS° = +541 J-K-1 %3D This reaction is spontaneous only below a certain temperature always spontaneous never spontaneous spontaneous only above a certain temperature
For each reaction with ΔH = + 245 kJ/mol and ΔS = + 48 J/molK ,at what temperature at which the reaction will be spontaneous.
2 For the synthesis of ammonia where AG = -33.3 kJ/mole, determine whether the reaction is spontaneous at 25 C with the following pressures: PN, = 1.0 atm, PH, = 3.0 atm, PNH, = 0.020 atm N2(8) + 3H2(g) = 2NH3(g)
Please provide full e
In the reaction N2O4 = 2NO2, it is given that the AH298 and AS298 are +55.3kJ and +176J/K, respectively. Calculate AG at room temperature and discuss the spontaneity of this reaction at different temperature ranges.
Use the data to calculate the standard entropy change for the following reaction: 5. S°[Mt(s)] 43.2 J/K mol Mt(s) + ½ O2(g) → MtO(s) S°[O2(g)] = 305.1 J/K-mol S°[MtO(s)] 62.6 J/K mol a) -133.2 J/K b) -285.7 J/K c) 285.7 J/K d) 133.2 J/K
4
Hydrogen bromide dissociates into its gaseous elements, H2 and Br2, at elevated temperatures. AH;, kJ/mol S° , J/(mol-K) HBr(g) -36.44 198.6 H2 (9) 130.6 Bra(9) 30.91 245.3 a. Calculate the percent dissociation at 337°C and 1.00 atm. (Enter your answer to three significant figures.) Percent dissociation % b. What would be the percent dissociation at 337°C and 10.0 atm? (Enter your answer to three significant figures.) Percent dissociation ]% c. Use data above and any reasonable approximation to obtain K. (Enter your answer to three significant figures.) K

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Calculate ASuniverse and determine the reaction's spontaneity when ASrxn = +25.3 J/K and AHrxn = -49.0 kJ at 298 K. %D ASuniverse = 189.7 J/K; spontaneous ASuniverse = -139.1 J/K; spontaneous %3D ASuniverse = -139.1 J/K; non-spontaneous ASuniverse = 189.7 J/K; non-spontaneous %3D