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4. Calculate AHrxn for the following reaction: CH4(g) + 4 Cl2(g) CCI4 (g) + 4 HCI(g) Given these reactions and their AH values. a) C(s) + 2 H2 (g) → CH4 (g) AH = – 74.6 kJ Show how the reactions and AH’s b) C(s) + 2 Cl2 (g) → CC14 (g) AH = – 95.7 kJ are used to obtain the answer. c) H2 (g) + Cl2 (g) 2 HCl(g) AH = – 184.6 kJ

4. Calculate AHrxn for the following reaction: CH4(g) + 4 Cl2(g) CCI4 (g) + 4 HCI(g) Given these reactions and their AH values. a) C(s) + 2 H2 (g) → CH4 (g) AH = – 74.6 kJ Show how the reactions and AH’s b) C(s) + 2 Cl2 (g) → CC14 (g) AH = – 95.7 kJ are used to obtain the answer. c) H2 (g) + Cl2 (g) 2 HCl(g) AH = – 184.6 kJ

Chemistry & Chemical Reactivity
Chemistry & Chemical Reactivity
9th Edition
ISBN:9781133949640
Author:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Publisher:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Chapter18: Principles Of Chemical Reactivity: Entropy And Free Energy
Section18.4: Entropy Measurement And Values
Problem 3RC: Calculate rS for the following reaction at 25 C. 2 H2(g) + O2(g) 2 H2O() (a) 326.6 J/K mol-rxn...
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4. Calculate AHrxn for the following reaction: CH4(g) + 4 Cl2(g) CCI4 (g) + 4 HCI(g) Given these reactions and their AH values. a) C(s) + 2 H2 (g) CH4 (g) AH = – 74.6 kJ Show how the reactions and AH's b) C(s) + 2 Cl2 (g) CC14 (g) AH = – 95.7 kJ are used to obtain the answer. c) H2 (g) + Cl2 (g) 2 HCI(g) AH = – 184.6 kJ
Transcribed Image Text:4. Calculate AHrxn for the following reaction: CH4(g) + 4 Cl2(g) CCI4 (g) + 4 HCI(g) Given these reactions and their AH values. a) C(s) + 2 H2 (g) CH4 (g) AH = – 74.6 kJ Show how the reactions and AH's b) C(s) + 2 Cl2 (g) CC14 (g) AH = – 95.7 kJ are used to obtain the answer. c) H2 (g) + Cl2 (g) 2 HCI(g) AH = – 184.6 kJ
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