A certain amount of zinc is dissolved in \( \mathrm{HCl} \) at \( 2...

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A certain amount of zinc is dissolved in \( \mathrm{HCl} \) at \( 25^{\circ} \mathrm{C} \)
\( \mathrm{P} \) in an open vessel. The type of process and the work

W done by the system respectively would be
(1) Isothermal, positive
(2) Isobaric, negative
(3) Isochoric, zero
(4) None
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