Calculate enthalpy changes for the following: a. 0.052 g of sulfur (rhombic) burns, forming SO₂(g) (AƒH° for SO₂ (g): Enthalpy change kJ b. 0.25 mol of HgO(s) decomposes to Hg(l) and O₂(g) (AƒH° for HgO = -90.83 kJ/mol) Enthalpy change = c. 2.61 g of NH3(g) is formed from N₂(g) and excess H₂(g) (AƒH˚ for NH3 = -45.90 kJ/mol) Enthalpy change = KJ d. 1.77 x 10-2 mol of carbon is oxidized to CO₂ (g) (AfH for CO₂ = -393.509 kJ/mol) Enthalpy change = = kJ KJ == 296.84 kJ/mol)

Calculate enthalpy changes for the following: a. 0.052 g of sulfur (rhombic) burns, forming SO₂(g) (AƒH° for SO₂ (g): Enthalpy change kJ b. 0.25 mol of HgO(s) decomposes to Hg(l) and O₂(g) (AƒH° for HgO = -90.83 kJ/mol) Enthalpy change = c. 2.61 g of NH3(g) is formed from N₂(g) and excess H₂(g) (AƒH˚ for NH3 = -45.90 kJ/mol) Enthalpy change = KJ d. 1.77 x 10-2 mol of carbon is oxidized to CO₂ (g) (AfH for CO₂ = -393.509 kJ/mol) Enthalpy change = = kJ KJ == 296.84 kJ/mol)

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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