Chloroform, CHCl3, is formed from methane and chlorine in the following reaction.CH4(g) + 3 Cl2(g) → 3 HCl(g) + CHCl3(g)Calculate ΔrH°, the enthalpy change for this reaction, using the enthalpies of formation of CO2(g), H2O(ℓ), CHCI3(g) (ΔfH° = -103.1 kJ/mol), and the enthalpy changes for the following reactions:CH4(g) + 2 O2(g) → 2 H2O(ℓ) + CO2(g)ΔrH° = -890.4 kJ/mol-rxn2 HCl(g) → H2(g) + Cl2(g)ΔrH° = +184.6 kJ/mol-rans

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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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Chloroform, CHCl₃, is formed from methane and chlorine in the following reaction.

CH₄(g) + 3 Cl₂(g) → 3 HCl(g) + CHCl₃(g)

Calculate Δ_rH°, the enthalpy change for this reaction, using the enthalpies of formation of CO₂(g), H₂O(ℓ), CHCI₃(g) (Δ_fH° = -103.1 kJ/mol), and the enthalpy changes for the following reactions:

CH₄(g) + 2 O₂(g) → 2 H₂O(ℓ) + CO₂(g)

Δ_rH° = -890.4 kJ/mol-rxn

2 HCl(g) → H₂(g) + Cl₂(g)

Δ_rH° = +184.6 kJ/mol-rans

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