11) Which of the following processes have a AS > 0? A) N2(g) + 3 H2(g) → 2 NH3(g) B) Na2CO3(s) + H₂O(g) + CO2(g) > 2 NaHCO3(s) C) CH3OH(1) → CH3OH(s) D) CH4(g) + H2O (g) → CO(g) + 3 H2(g) E) All of the above processes have a AS > 0. 12) How many electrons are transferred in the following reaction? (The reaction is unbalanced.) Mg(s) + A1³+(aq) → Al(s) + Mg2+ (aq) B) 6 C) 1 A) 4 D) 2 E) 3

11) Which of the following processes have a AS > 0? A) N2(g) + 3 H2(g) → 2 NH3(g) B) Na2CO3(s) + H₂O(g) + CO2(g) > 2 NaHCO3(s) C) CH3OH(1) → CH3OH(s) D) CH4(g) + H2O (g) → CO(g) + 3 H2(g) E) All of the above processes have a AS > 0. 12) How many electrons are transferred in the following reaction? (The reaction is unbalanced.) Mg(s) + A1³+(aq) → Al(s) + Mg2+ (aq) B) 6 C) 1 A) 4 D) 2 E) 3

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

Given the following data: CO(g)+H20(g)→ CO,(g)+ H2(g) AH° (25°C) = -42.0 kJmol1 C, (CO) = 26.8 + 6 x 10³T JK'mol1 C, (H2O) = 30.1+ 10 x 10³T JK'mol1 Cp (H2) = 28.5 + 2 x 10³T JK'mol1 C, (CO2) = 26.4 + 42 x 10³T JK-'mol1 where T is the thermodynamic temperature, calculate the change in enthalpy for the reaction at 1000 K.
Find the AHn for the following reaction: B2H6 (g) + 6 Cl2(9) → 2 BC13(g) + 6 HC(9) given the following reactions and subsequent AH° values $$ H3 BO3 (g) + 3 HC((g) ΔΗ'- -113.1 kJ BC13 (g) + 3 H20(1) → B2 H6 + 6 H2O(1) → 2 H3 BO3(9) + 6 H2 (9) AH° = -496 kJ 1 HC(g) AH° = -95.5 kJ (6)1 + (6)H? $$
Given the following data: 2 C6H6(l) + 15 O2(g) → 12 CO2(g) + 6 H2O(l) ΔG0= -6399 kJ C(s) + O2(g) → CO2(g) ΔG0= -394 kJ H2(g) + ½O2(g) → H2O(l) ΔG0= -237 kJ Calculate the ΔG0rxn for the reaction 6 C(s) + 3 H2(g) → C6H6(l)
Which of the following processes have a AS > 0? O CH3OH(1) – CH30H(s) O N2(g) + 3 H2(g) – 2 NH3(g) O CH4(8) + H2O(g) - CO(g) + 3 H2(g) O Na2CO3(s) + H20(g) + CO2(g) – 2 NaHCO3(s) O All of the above processes have a DS > 0.
Which of the following processes have a AS > 0? CH3OH(I) – CH3OH(s) O N2(g) + 3 H2(g) → 2 NH3(g) CHĄ(g) + H20 (g) → CO(g) + 3 H2(g) O Na2CO3(s) + H20(g) + CO2(g) → 2 NaHCO3(s) All of these processes have a DS > 0.
17. For which of the following highly exothermic processes would you expect AH" and AG* to be about the same? (a) 2 Al(s) + 3/2 02(g) - Al;0:(s) (c) 2 Na(s) + 2 H20(1) → 2 N2OH(aq) + H2(g) (d) 2 NO(g) - N;O(g) (e) 2 Al(s) + Fe2O;(s) - 2 Fe(s) + Al;Oa(s) (b) 2 Ha(g) + Ozl8) - 2 H;0(g)
From the following data, →CO 2(g) AH° k] 393. 5 CCgraphite) + 0, 2(g) rxn mol H 2(g) → H 0 2(g) AH° kJ 285. 8 mol 2 rxn + 70, 20,H 6(g) →4CO. 2(g) 2(g) + 6H,0 AH° kJ 3119. 6 mol - rxn Calculate the enthalpy change for the reaction 20 (grpahite) + ЗН. → C_H 2(g) 2 6(g)
Given the following data: 4C(s) + 3H2(g) + 1/2O2(g) → HCOC(CH2)(CH3)(l) ΔH°=-139.0 kJ CH3CH2OH(l) + 1/2O2(g) → CH3CHO(l) + H2O(l) ΔH°=-204.0 kJ 2C(s) + 3H2(g) + 1/2O2(g) → CH3CH2OH(l) ΔH°=-278.0 kJ H2(g) + 1/2O2(g) → H2O(l) ΔH°=-286.0 kJ Calculate ΔH° for the reaction:2CH3CHO(l) → HCOC(CH2)(CH3)(l) + H2O(l)
73. Given the following data Ca(s) + 2C(graphite) Ca(s) + ¿O,(g) CaO(s) + H,O(1) C,H,(2) + 0,(g) Clgraphite) + O,(g) CaC,(s) ΔΗ--62.8 k → CaO(s) AH = -635.5 kJ Ca(OH), (aq) AH = -653.1 kJ 2CO,(g) + H,O(1) AH = -1300. kJ CO,(g) AH = -393.5 kJ calculate AH the reaction CaC,(s) + 2H,O(1) → Ca(OH),(aq) + C,H¿(g) IS ONIA
3) The enzyme aldolase catalyzes the conversion of fructose-1,6-diphosphate (FDP)to dihydroxyacetone phosphate (DHAP) and glyceraldehide-3-phosphate (G3P). Thereaction isFDP ⇄ DHAP + G3P , ∆rG0(298.15 K) = 23.8 kJ mol−1In red blood cells the concentration of these species are [FDP] = 35 µM, [DHAP] =130 µM, and [G3P] = 15 µM. (Remember that 1.0 µM = 1.0 × 10−6 mol L−1. Thestandard state for reactions in solution can be taken as c0 = 1.0 mol L−1).Calculate ∆rG in a red blood cell at 25 0C. Will the reaction occur spontaneouslyin the cell at this temperature?
Match each of the following with its correct answer If AH°, of H,O, is -285.8 KJ/mol and AH° of H,0 is -241.8 KJ/mol, then the AH°, of evaporation of H,O in ( KJ/mol) : 2 (L) (g) Chooser Choose.. -44 -413.9 Using the following information below, calculate AHº, for Pbo in kJ/mol. +44 -108.7 -210 -151.6 PbO + CO (s) (g) Pb + CO (s), 2(g), ΔΗΟ = 131.4 kJ/mol- 1) Molecules AHO Choose... CO 6), -110.5 CO 2(g) -393.5 Given the following thermochemical equation: 16CO, + 18 H O 2(g) AH° = -11020 2CH,8) + 25 0,(g) 18(1) kJ/mol If AH°, [CO,l] = -393.5 kJ/mol and AH°. [H,o ] = -285.8kJ/mol, calculate the standard enthalpy of formation of octane ( C H) 2(g) %3D Choose...v in kJ/mol wwwwt
Determine the boiling point of CS2, in °C, from the following data: CS2(g) CS2(l) ΔHf° / (kJ mol–1) 115.3 87.9 S° / (J mol–1 K–1) 237.8 151.0 Answer Options: 258 -14 116 78 43