A lead ore, galena, consisting mainly of lead (II) sulfide, is the principal source of lead. To obtain the lead, the ore is first heated in the air to form lead oxide: (a) PbS(s)+3/2 O2(g) -> PbO(s)+SO2(g) ∆H=-415.4 kJ The oxide is the reduced to metal with carbon (b) PbO(s)+C(s) -> Pb(s)+CO(g) ∆H= 108.5kJ Calculate the enthalpy change for the reaction of one mole of lead(II) sulfide with oxygen and carbon, forming lead, sulfide dioxide and carbon monoxide. PbS(s)+3/2 O2(g)+C(s) -> Pb(S) +CO(g)+ SO2(g) ∆H=?
A lead ore, galena, consisting mainly of lead (II) sulfide, is the principal source of lead. To obtain the lead, the ore is first heated in the air to form lead oxide: (a) PbS(s)+3/2 O2(g) -> PbO(s)+SO2(g) ∆H=-415.4 kJ The oxide is the reduced to metal with carbon (b) PbO(s)+C(s) -> Pb(s)+CO(g) ∆H= 108.5kJ Calculate the enthalpy change for the reaction of one mole of lead(II) sulfide with oxygen and carbon, forming lead, sulfide dioxide and carbon monoxide. PbS(s)+3/2 O2(g)+C(s) -> Pb(S) +CO(g)+ SO2(g) ∆H=?
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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A lead ore, galena, consisting mainly of lead (II) sulfide, is the principal source of lead. To obtain the lead, the ore is first heated in the air to form lead oxide:
(a) PbS(s)+3/2 O2(g) -> PbO(s)+SO2(g) ∆H=-415.4 kJ
The oxide is the reduced to metal with carbon
(b) PbO(s)+C(s) -> Pb(s)+CO(g) ∆H= 108.5kJ
Calculate the enthalpy change for the reaction of one mole of lead(II) sulfide with oxygen and carbon, forming lead, sulfide dioxide and carbon monoxide.
PbS(s)+3/2 O2(g)+C(s) -> Pb(S) +CO(g)+ SO2(g) ∆H=?
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