1. Predict the sign of ASn for the following reaction. Is entropy increasing or decreasing?rxnExplain.2. Calculate AH, AG, and A Son for the following reaction given thermodynamic databelow. Pay attention to the phase of matter (s, I, g, aq) when selecting the appropriate values.HNO3(g) + NH3(g) → NH₂NO3(s)NitrogenNH3 (9)NH3(aq)HNO3(aq)HNO₂(g) + NH3(g) → NH4NO₂(s)HNO3 (1)HNO3 (9)NH4NO3 (S)NH4NO3(aq)AHAH, (kJ/mol) AG, (kJ/mol) S° (J/mol K)-16.5192.5-27.0111.0-111.3146.4-80.7155.6-74.7266.4151.1259.8GranAS-46.1-80.0-207.4-174.1-135.1-365.6-339.9-183.9-190.6Activate WindowsGo to Settings to activa

Answered: Image /qna-images/answer/27b3d32e-ed70-47eb-843a-c3ece51e9c99.jpg

Exn 1. Predict the sign of AS for the following reaction. Is entropy increasing or decreasing? Explain. 2. Calculate A HAG and A Son for the following reaction given thermodynamic data below. Pay attention to the phase of matter (s, I, g, aq) when selecting the appropriate values. HNO₂(g) + NH₂(g) → NH.NO,(s) Nitrogen NH3 (9) NH, (aq) HNO₂(g) + NH₂(g) → NH.NO,(s) HNO3(aq) HNO, (1) HNO₂ (9) NH.NO, (S) NH4NO₂ (aq) AH AG AS AH, (kJ/mol) AG, (kJ/mol) S (J/mol K) 192.5 111.0 146.4 155.6 266.4 151.1 259.8 -46.1 -80.0 -207.4 -174.1 -135.1 -365.6 -339.9 -16.5 -27.0 -111.3 -80.7 -74.7 -183.9 -190.6 Activa Go to S

Exn 1. Predict the sign of AS for the following reaction. Is entropy increasing or decreasing? Explain. 2. Calculate A HAG and A Son for the following reaction given thermodynamic data below. Pay attention to the phase of matter (s, I, g, aq) when selecting the appropriate values. HNO₂(g) + NH₂(g) → NH.NO,(s) Nitrogen NH3 (9) NH, (aq) HNO₂(g) + NH₂(g) → NH.NO,(s) HNO3(aq) HNO, (1) HNO₂ (9) NH.NO, (S) NH4NO₂ (aq) AH AG AS AH, (kJ/mol) AG, (kJ/mol) S (J/mol K) 192.5 111.0 146.4 155.6 266.4 151.1 259.8 -46.1 -80.0 -207.4 -174.1 -135.1 -365.6 -339.9 -16.5 -27.0 -111.3 -80.7 -74.7 -183.9 -190.6 Activa Go to S

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

Which statement is INCORRECT with respect to thermodynamics? A) The sign of ΔG for a reaction is primarily determined by the sign of ΔH of the reaction. B) The entropy of a perfect crystal at absolute zero is zero. C) Enthalpy can be thought of as the "heat content" of a system. D) For a reaction to be spontaneous, there must be an increase in the entropy of the universe. E) For a spontaneous reaction, the entropy of the reaction always increases.
7. The decomposition of ammonium chloride to form ammonia and hydrogen chloride occurs NH,Cl→ NH3(e + HCle AH = 176 kJ according to the following reaction: a) Predict the sign of the entropy change, AS, for this reaction. Justify your answer. b) The value of AG° for the reaction is negative at high temperatures but positive at low temperatures. Explain.
4. Arrange the following substances (1mole each) in order of increasing entropy at 25 C; (a)Neg) (b) SO2(g). (C) Na(s), (d) NaCl(s), (e) H2(g). Give the reasons for your arrangement.
Enter your answer in the provided box. Calculate the standard entropy change for the following reaction at 25°C. S(rhombic) + O:(g) - so:g) K'mol S(rhombie) 31.S8 205.0 248.5 J/K-mol
Calculate the equilibrium PCO₂ at 25°C for reaction below. Report your answer to three significant figures. CaCO3(s)CaO(s) + CO₂(g) x 10 atm (Enter your answer in scientific notation.) Standard Thermodynamic Values at 298 K Substance CaCO3(s) CaO(s) CO₂(g) CO,(aq) AGf (kJ/mol) -1,128.8 -603.5 -394.4 -386.2 Prev 20 of 25 ‒‒‒ ‒‒‒
5). Calculate the standard entropy change for the following two reactions. Consult the last page of the exam for data and equations. a) 2 CO(g) + O2(g) à 2 CO2(g) b) 2 NaHCO3(s) à Na2CO3(s) + H2O(l) + CO2(g)
Enter your answer in the provided box. Calculate the standard entropy change for the following reaction at 25°C. 2 Al(s) + 3 ZnO(s) → Al₂O3(s) + 3 Zn(s) Substance Al(s) Al³+ (aq) Al₂O3(s) Zn(s) Zn²+ (aq) ZnO(s) J/K Sº (J/K mol) 28.3 -313.38 50.99 41.6 -106.48 43.9 27
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)
Predict the algebraic sign of the entropy change for the following reactions. PCl3(g) + Cl2(g) → PCl5(g) CO2(g) + H2O(l) → H2CO3(aq) 3Mg(s) + 2N2(g) → Mg3N2(s)
Which one of the following choices of gaseous molecules is rank ordered correctly from lowest standard molar entropy (left hand side) to highest standard molar entropy (right hand side)? He, Ne, CO, SiH4 SiH4 , CO, Ne, He SiH4 , Ne, CO, He CO, SiH4 , Ne, He
Consider each of the following thermodynamic quantities, and give the appropriate sign of each as positive, negative, zero, or undetermined. ΔHorxn for the combustion of a hydrocarbon. So for any element in its standard state at 1 atm and 298 K. ΔHof for any element in its standard state at 1 atm and 298 K. ΔSosystem for a spontaneous process.
Calculate the standard entropy change for the following reaction at 25.0 C. Round your answer to 4 significant digits. 2Al(s) + 3FeO(s) ---> Al2O3(s) + 3Fe(s)