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NEET UG CHEMISTRY MCQ: THERMODYNAMICS
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The work done in an open vessel at 300 K, when 112 g iron reacts with dil.HCl is:
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Correct option: A
102 kcal
Option D (0.2 kcal) is the closest correct answer. The work done is calculated using , where is the change in the number of moles of gas.
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Reason :- During phase transition work done is always negative. For the reaction, at . Hence, is
Reason :- During phase transition work done is always negative. For the reaction, at . Hence, is