30 >Given these reactions, where X represents a generic metal or metalloid1) H, (g) + ¿0,(g)→ H,O(g)AH, = -241.8 kJ2) X(s) + 2 Cl, (g) → XCI,(s)AH2 = +217.1 kJ3) H, (g) + Cl, (g) → HCI(g)AH3 = -92.3 kJ4) X(s) + 0,(g) -XO,(s)AH4 = –992.7 kJ5) H,O(g) → H,O(1)ΔΗ5= -44.0 kJwhat is the enthalpy, AH, for this reaction?XCI,(s) + 2H,O(1) → XO,(s) + 4 HCI(g)about uscareersprivacy policyterms of usecontact ushe

The ΔH of the desired reaction can be determined using Hess’s Law. According to Hess’s Law, if a…

Given these reactions, where X represents a generic metal or metalloid 1) H, (g) + 0,(g) H,O(g) AH, = -241.8 kJ %3D 2) X(s) + 2 Cl,(g) → XCI,(s) AH2 = +217.1 kJ %3D 3) H,(g) + ¿Cl, (g) – HC(g). AH3 = -92.3 kJ %3D 4) X(s) + 0,(g) –→ XO,(s) ΔΗ AH4 = –992.7 kJ 5) H,O(g) → H,O(1) AH5 = -44.0 kJ what is the enthalpy, AH, for this reaction? XCI,(s) + 2 H,O(1) –→ XO,(s) + 4 HCI(g) -

Given these reactions, where X represents a generic metal or metalloid 1) H, (g) + 0,(g) H,O(g) AH, = -241.8 kJ %3D 2) X(s) + 2 Cl,(g) → XCI,(s) AH2 = +217.1 kJ %3D 3) H,(g) + ¿Cl, (g) – HC(g). AH3 = -92.3 kJ %3D 4) X(s) + 0,(g) –→ XO,(s) ΔΗ AH4 = –992.7 kJ 5) H,O(g) → H,O(1) AH5 = -44.0 kJ what is the enthalpy, AH, for this reaction? XCI,(s) + 2 H,O(1) –→ XO,(s) + 4 HCI(g) -

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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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
Using the table of thermodynamic data provided, for the reaction below: CS₂(1) + 302(g) → CO2(g) + 2SO2(g) Compound CO₂(g) CS₂(1) O₂(g) SO₂(g) SO₂(g) AHºf (kJ/mol) -393.5 89.0 0 -296.8 -395.7 S°(J/K mol) 213.8 151.3 205.15 248.2 256.8 Determine/calculate and report the following values in the labelled boxes below: a) The standard enthalpy change (AH°, in kJ/mol) of the reaction. b) The standard entropy change (AS°, in J/K mol) of the reaction. c) The standard free energy change (AG°, in kJ/mol) of the reaction. d) The free energy change (AG, in kJ/mol) of the reaction at 7.50 x 10² K.
Given these reactions, where X represents a generic metal or metalloid 1) H, (g) + 0,(g) → H,0(g) AH1 = -241.8 kJ 2) X(s) + 2 Cl,(g) → XCl,(s) AH2 = +475.9 kJ 3) H,(g) + CL,(g) HCl(g) АНз 3 —92.3 kJ → 4) X(s) + O,(g) –→ XO,(s) AH4 = -748.7 kJ 5) Н, О(2) — н,00) AH5 = -44.0 kJ what is the enthalpy, AH, for this reaction? XCI, (8) + 2H,О() — ХО,(8) + 4 HCI(g)
enon 19 of 23 For the chemical reaction Ca (s) + % O2 (g) What is the enthalpy for the reaction 2 CaO (s) → 2 Ca (s) + O2 (g)? CaO (s) AH° = -635 kJ/mol.
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)
Consider the following reactions: AH = -393.5 kJ + O2(g) CO 2(9) (graphite) AH = -285.8 k) + V2 O2(g) H2(9) AH = -726.4 k CH,OH + 3/2 0, CO2(9) + 2H,0) (1) Choose... Calculate the enthalpy change for the following reaction: CH;OH) (graphite) + 2 H2(g) + 2 02
Determine the enthalpy of the reaction: 3Fe,O; (s) + CO (g) → CO, (g) + 2Fe;O4 (s), given the following reactions. 38. Fe,O3 (s) + 3CO (g) → 2Fe (s) + 3CO, (g) AH= -28.0 kJ 3Fe (s) + 4CO2 (s) → 4CO (g) + Fe;O4 (s) AH =+12.5 kJ A) 40.5 +109 -59.0 -109
A chemist measures the enthalpy change AH during the following reaction: P4(s) + 6 Cl₂(g) →4 PC1₂(g) AH-1148. kJ Use this information to complete the table below. Round each of your answers to the nearest kJ/mol. reaction PC₁₂ (9) → 4PCL, (g) P₁(s) + 2C₁₂ (9) P₁ (s) + 6Cl₂ (g) P₁ (s) + C₁₂(g) → PCI, (g) ΔΗ [] kJ KJ kJ x10 X
4) Given the data N2(8) + O2(8) 2 NO(8) AH = +180.7 kJ 2 NO(8) + O2(8) · 2 NO,(8) 2 N,0(8) – 2 N2(8) + O2(8) AH = -163.2 kJ AH = -113.1 kJ | use Hess's law to calculate AH for the reaction N20(8) + NO2(8) –→ 3 NO(8)
A chemist measures the enthalpy change AH during the following reaction: 4 Fe(s) + 3 02(g)→2 Fe,O3(s) AH =-320. kJ Use this information to complete the table below. Round each of your answers to the nearest kJ/mol. reaction ΔΗ x10 Fe(s) + 0,6) - Fe,0,(1) O kJ 2Fe,0; (s) – 4Fe(s) + 30, (3) O kJ 4Fe,0, (s) - 8Fe(s) + 60, (3)
A.) Given the standard enthalpy changes for the following two reactions: (1) 2Ni(s) + O2(g)-2NIO(s) AH° = -479.4 kJ (2) Ni(s) - Cl2(g)–→NIC2(s) AH° = -305.3 kJ what is the standard enthalpy change for the reaction: (3) 2NICI,(s) + O2(g)2NIO(s) + 2C2(g) AH° = ? kJ B.) Given the standard enthalpy changes for the following two reactions: (1) 4C(s) - SH2(g) C,H10(e) AH° = -125.ó kJ (2) C,H(g)2C(s) + 2H2(g) AH° = -52.3 kJ what is the standard enthalpy change for the reaction: (3) 2C,H4(g) + H2(g) ) C,H10(g) AH° = ? kJ
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