Calculate AH° for the following reaction. Report your answer in kJ to one decimal place. (Don't enter any units). TiCl4(1) + 2 H₂O(1) -> TiO2(s) + 4 HCl(g) Substance AHO (kJmol¹) TiCl4(01) -804.2 TiO2(s) |-944.0 H₂O(g) -241.8 H₂O(1) -285.8 HCl() |-92.3

Calculate AH° for the following reaction. Report your answer in kJ to one decimal place. (Don't enter any units). TiCl4(1) + 2 H₂O(1) -> TiO2(s) + 4 HCl(g) Substance AHO (kJmol¹) TiCl4(01) -804.2 TiO2(s) |-944.0 H₂O(g) -241.8 H₂O(1) -285.8 HCl() |-92.3

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...

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Identify the reactions that are exothermic. ) Multiple answers: Multiple answers are accepted for this question Select one or more answers and submit. For keyboard navigation... SHOW MORE V C(graphite)C(diamond) AH° = 2 kJ b. CaCO3 (s) CaO(s) + CO2(g) AH° = 178 kJ CuO(s) + H2 (g) → Cu(s) + H2 0(g) AH° = -85 kJ 2H2 (g) + 02(g) - 2H20(g) AH = -484 kJ 3H2 (g) + N2(g) 2NH3 (g) AH - 92 kJ Unanswered
Methane-producing bacteria convert liquid acetic acid (CH3CO₂H) into CO₂(g) and CH₂(g). AS° ΔΗ, Ο (kJ/mol) (J/mol.K) CH3CO₂H (1) -484.5 159.8 CO₂(g) -393.5 213.8 CH₂(g) -74.8 186.2 Calculate AHOrxn = kJ Calculate AG rxp = (round to 3 sig figs) Is this process endothermic or exothermic under standard conditions? Is the reaction spontaneous under standard conditions? kJ (round to 3 sig figs)
Consider the following reaction: 3C(s) + 3H2(g) → C3H6(g); AG°= 60.0 kJ and AS° =-256.7 J/K at 298 K What is the equilibrium constant and AH° at 298 K for this reaction? Express AH° in kJ and use 3 significant figures for both answers. AH° = kJ and Keq x 10
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Given the reactions, ΔΗ 891.5 kJ X(s) +0,(g) - XO(s) X0(s) + CO,(g) XCO,(s) +494.5 kJ ΔΗ what is AH for this reaction? X(s) +02(g) + CO,(g) XC0,() AH = -1386.0 kJ terms of use privacy policy about us contact us help careers a 23
Use the molar DHf° under the formulas to calculate DH°rxn for the equations as balanced: 1. 2B2H6(g) + 3CO2(g) --> 2B2O3(s) + 3CH4(g) ΔH°rxn = _______ kJ ΔH°f = +36 –394 –1274 –75 kJ/mol exo ? endo_thermic 2. 2P2O5 + 2CaC2 -->P4 + 2CaCO3 + 2CO2 ΔH°rxn = _______ kJ ΔH°f = –1505 –59 ___ –1207 –394 kJ/mol exo ? endo_thermic 3. 2Na2CrO4(s) + 10HCl(g) --> 4NaCl(s) + 3Cl2(g) + Cr2O3(s) + 5H2O(l) ΔH°f = –1342 –92 –411 ___ –1140 –286 kJ/mol ΔH°rxn = _______ kJ exo ? endo_thermic
Methane-producing bacteria convert liquid acetic acid (CH³CO₂H) into CO₂(g) and CH₂(g). AS° ΔΗ, Ο (kJ/mol) (J/mol.K) CH3CO₂H (1) -484.5 159.8 CO₂(g) -393.5 213.8 CH₂(g) -74.8 186.2 Calculate AHºrxn = kJ Calculate AG, = rxn (round to 3 sig figs) Is this process endothermic or exothermic under standard conditions? Is the reaction spontaneous under standard conditions? kJ (round to 3 sig figs)
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Carbon disulfide burns in air, producing carbon dioxide and sulfur dioxide. CS2 (1) +302(g) → CO,(g) + 250,(9); AH = -1.077 × 10° kJ What is AH for the following equation? CO2 (9) + SO,(g) → - CS ()+0, (9) CS, AH = k]