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CBSE Class 11-science Answered

a steel fiber is in a oxygen filled container which is closed with a frictionless piston. the iron in the steel fiber reacts with oxygen to form Fe2O3 , the heat generated by the reaction is removed during the process to maintain the temperature constant which is 25 degrees centigrade. for the reaction of 2 moles of iron 831.08KJ of heat is removed. calculate the heat , work and internal energy of change of the system
Asked by pranavisrihari | 08 Sep, 2020, 17:24: PM
answered-by-expert Expert Answer
In this condition tempereature is constant so,
Change in internal energy =0
and we know, accoridng to first law of thermodynamics,
increment U equals q plus w
increment U equals 0
q equals negative w
q equals negative 831.01 K J
minus 831.01 K J equals negative w
w equals 831.01 space K J
Answered by Ravi | 09 Sep, 2020, 10:18: AM
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