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Polar Molecules

When Fes is...

Question

When $F e (s)$ is dissolved in aqueous hydrochloric acid in a closed vessel, the work done is positive.
If true enter 1, else enter 0.

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Solution

When Fe(s) is dissolved in aqueous hydrochloric acid in a closed vessel, the work done is negative.
Fe reacts with HCl to form iron(III) chloride and hydrogen gas.
$2 F e + 6 H C l \to 2 F e C l_{3} + 3 H_{2}$
The liberated hydrogen gas does the work. Since, the work is done by the system, it is negative.

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