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Using Hess's Law tó calculate net reaction enthalpy 1/5 The lead-acid storage battery is the oldest rechargeable battery in existence. It was invented in 1859 by French physician Gaston Plante and still retains application today, more than 150 years later. There are two reactions that take place during discharge of the lead-acid storage battery. In one step, sulfuric acid decomposes to form sulfur'trioxide and water: H,SO,(1) SO,(9) + H,O(1) AH=+113. kJ In another step, lead, lead(IV) oxide, and sulfur trioxide react to form lead(II) sulfate: Pb(s) + PbO,(s) + 2 SO,(g) 2 PbSO,(s) AH=-775. kJ Calculate the net change in enthalpy for the formation of one mole of lead(II) sulfate from lead, lead(IV) oxide, and sulfuric acid from these reactions. Round your answer to the nearest kJ. Explanation Check © 2022 McGraw Hill LLC. All Rights Reserved Terms of Use Privacy Center IMG-4423.jpg IMG-4422.jpg D IMG-4420.jpg Exam 2 review.doc IMG-4424.jpg

Using Hess's Law tó calculate net reaction enthalpy 1/5 The lead-acid storage battery is the oldest rechargeable battery in existence. It was invented in 1859 by French physician Gaston Plante and still retains application today, more than 150 years later. There are two reactions that take place during discharge of the lead-acid storage battery. In one step, sulfuric acid decomposes to form sulfur'trioxide and water: H,SO,(1) SO,(9) + H,O(1) AH=+113. kJ In another step, lead, lead(IV) oxide, and sulfur trioxide react to form lead(II) sulfate: Pb(s) + PbO,(s) + 2 SO,(g) 2 PbSO,(s) AH=-775. kJ Calculate the net change in enthalpy for the formation of one mole of lead(II) sulfate from lead, lead(IV) oxide, and sulfuric acid from these reactions. Round your answer to the nearest kJ. Explanation Check © 2022 McGraw Hill LLC. All Rights Reserved Terms of Use Privacy Center IMG-4423.jpg IMG-4422.jpg D IMG-4420.jpg Exam 2 review.doc IMG-4424.jpg

General Chemistry - Standalone book (MindTap Course List)
General Chemistry - Standalone book (MindTap Course List)
11th Edition
ISBN:9781305580343
Author:Steven D. Gammon, Ebbing, Darrell Ebbing, Steven D., Darrell; Gammon, Darrell Ebbing; Steven D. Gammon, Darrell D.; Gammon, Ebbing; Steven D. Gammon; Darrell
Publisher:Steven D. Gammon, Ebbing, Darrell Ebbing, Steven D., Darrell; Gammon, Darrell Ebbing; Steven D. Gammon, Darrell D.; Gammon, Ebbing; Steven D. Gammon; Darrell
Chapter6: Thermochemisty
Section: Chapter Questions
Problem 6.31QP: Chemical reactions are run in each of the beakers depicted below (labeled A, B, and C). The...
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Using Hess's Law to calculate net reaction enthalpy 1/5 The lead-acid storage battery is the oldest rechargeable battery in existence. It was invented in 1859 by French physician Gaston Plante and still retains application today, more than 150 years later. There are two reactions that take place during discharge of the lead-acid storage battery. In one step, sulfuric acid decomposes to form sulfur'trioxide and water: LEGO H,SO,(1) → SO;(9) + H,O(1) AH=+113. kJ In another step, lead, lead(IV) oxide, and sulfur trioxide react to form lead(II) sulfate: Pb(s) + PbO,(s) + 2 SO3(g) 2 PBSO,(s) AH=-775, kJ Calculate the net change in enthalpy for the formation of one mole of lead(II) sulfate from lead, lead(IV) oxide, and sulfuric acid from these reactions. Round your answer to the nearest k.J. kJ Explanation Check 2022 McGraw Hill LLC. All Rights Reserved. Terms of Use Privacy Center | A IMG-4424.jpg IMG-4423.jpg IMG-4422.jpg IMG-4420.jpg Exam 2 review.doc MacBook Air II
Transcribed Image Text:Using Hess's Law to calculate net reaction enthalpy 1/5 The lead-acid storage battery is the oldest rechargeable battery in existence. It was invented in 1859 by French physician Gaston Plante and still retains application today, more than 150 years later. There are two reactions that take place during discharge of the lead-acid storage battery. In one step, sulfuric acid decomposes to form sulfur'trioxide and water: LEGO H,SO,(1) → SO;(9) + H,O(1) AH=+113. kJ In another step, lead, lead(IV) oxide, and sulfur trioxide react to form lead(II) sulfate: Pb(s) + PbO,(s) + 2 SO3(g) 2 PBSO,(s) AH=-775, kJ Calculate the net change in enthalpy for the formation of one mole of lead(II) sulfate from lead, lead(IV) oxide, and sulfuric acid from these reactions. Round your answer to the nearest k.J. kJ Explanation Check 2022 McGraw Hill LLC. All Rights Reserved. Terms of Use Privacy Center | A IMG-4424.jpg IMG-4423.jpg IMG-4422.jpg IMG-4420.jpg Exam 2 review.doc MacBook Air II
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