42. Calculate the energy change for the reaction Feg Oz (@ + CoGg)_2 FeO (s) + (0₂ (g) from the followingFeg 03 (s) + 3 Co(g) →o (s) + (o (g)Feo& Fe(s) + 3 (Q₂ (9) AH -- 23-4 kj-> Fe (s) + Co₂ (g) AH - - 10.919.

Given:Fe2O3 (s) + 3CO (g) → 2Fe(s) + 3CO2 ∆H = -23.4 kJ…

Answered: 42. Calculate the energy change for 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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Calculating the heat of reaction from molar reaction enthalpy a... A chemist measures the energy change AH during the following reaction: C,Hg(g)+50,(9) – -3 CO 2(g)+4H,0(1) AH=-2220. kJ Use the information to answer the following questions. endothermic. This reaction is... exothermic Suppose 36.3 g of C,Hg react. O Yes, absorbed. O Yes, released. Will any heat be released or absorbed? No. If you said heat will be released or absorbed in the second part of this question, calculate how much heat will be released or absorbed. Round your answer to 3 significant digits. Elanation Check 2021 McGraw-Hill Education. All Rights Reserved Term
CH1206(s)→3 CH,(g) + 3 CO,(g) AH=-132. kJ Use this information to complete the table below. Round each of your answers to the nearest kJ/mol. reaction AH 2C,H1,0,(s) → 6CH,(g) + 6CO,(g) kJ CH,(g) + Co,(g) I kJ 3CH,(g) + 3C0,(g) – C,H1,0g(s) I kJ
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4. Hess's Law Calculate AH for the reaction: 2 C(s) + H2(g) → C:H2(g), given the following chemical equations and their respective enthalpy changes: C2H2(g)+02(g)→2CO2(g)+H20(1) AH, = -1299.6 kJ (1) %3D C(s)+02(g)→CO2(g) AH, = -393.5 kJ (2) H2(g)+502(g)→H20(1) AH3 = -285.8 kJ (3)
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Using the provided enthalpy of formation, determine the enthalpy for the reaction: 3A (s)+ 2B (I) ->C (I) + 4D(s) substance AH;° (KJ/mol) A (s) -286
Use Hess's Law to calculate the enthalpy change for the reaction AH=? from the following data: 2BaO(s) -(0 + (S) AH3-1107.0kJ AH=-822.5kJ (s)E00 ( 04 + (O + (s) %3D O-284.5 kJ O 538.0 kJ O 1391.5 kJ Previous
The following table contains some standard enthalpies of formation, AH, at 298 K. Substance diamond graphite carbon tetrachloride carbon tetrachloride carbon tetrafluoride methane carbon monoxide carbon dioxide chlorine gas Cl₂ (g) hydrochloric acid fluorine gas hydrofluoric acid hydrogen oxygen water water hydrogen peroxide hydrogen peroxide ΔΗ (kJ/mol) 1.88 Formula C(s) C(s) 0 CCl4 (g) -106.7 CC14 (1) -139.3 CF4 (g) CH4 (g) -74.8 CO(g) -110.5 -679.9 CO₂(g) -393.5 0 HCl(g) -92.30 F2 (g) 0 HF (g) -268.61 H₂(g) 0 O2 (g) 0 H₂O(g) -241.82 H₂O(1) -285.83 H₂O2(g) -136.10 H₂O2 (1) -187.8
27. When 0.0500 mol of CH4 (g) burns, 40.1 kJ of heat is produced. What is the change in enthalpy (AH) in kJ for the following reaction: CH4 (g) (a) +802 kJ/mol + 202 (g) (b) -802 kJ/mol , CO₂ (g) + 2H₂O(g) + Heat (c) +40.1 kJ/mol (d) -40.1 kJ/mol
4. Calculate the enthalpy of the reaction below, given the following: CHOH 1) + 202 () → 2CO2 ®+ 3H20 ay (g) + 3H2O m AHF CO2 = -393.5 kJ/mol AHf H2O = -285.8 kJ/mol * AHf C,H5OH =-277.7 kJ/mol %3D

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42. Calculate the energy change for the reaction Feg Oz (@ + CoGg)_ 2 FeO (s) + (0₂ (g) from the following Feg 03 (s) + 3 Co(g) → o (s) + (o (g) Feo & Fe(s) + 3 (Q₂ (9) AH -- 23-4 kj -> Fe (s) + Co₂ (g) AH - - 10.919.