Answered: Corrosion is caused by a redox reaction…

Introduction to Chemical Engineering Thermodynamics

8th Edition

ISBN:9781259696527

Author:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart

Publisher:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart

Chapter1: Introduction

Section: Chapter Questions

Problem 1.1P

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Question

Corrosion is caused by a redox reaction and if often accompanied by gas evolution. Aluminum metal is readily corroded by sulfuric acid in aluminum-acid batteries, producing hydrogen gas. If this reaction takes place in a 2L container with a relief container of 0.5L that has a pressure limit of 1.5 atm, what is the maximum concentration of sulfuric acid that can safely be used in a battery containing 10g of aluminum (excess)? Assume the entire volume is available for acid, and all pressure accumulates due to hydrogen gas. Assume the temperature is maintained at 20 °C and hydrogen acts as an ideal gas under these conditions and only fills the relief chamber.

Predict the reaction between aluminum and sulfuric acid.
Calculate the maximum concentration of acid
How many grams of Aluminum would remain after the reaction is complete?

0.5 L Relief Chamber-
1.5 atm relief valve 2L Sulfuric Acid Solution
10 g
Al

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