JEE Main 202116 Mar, Evening shiftChemistryMediumChemical Thermodynamics84× since 2002
At 25C, 50 g of iron reacts with HCl to form FeCl₂. The evolved hydrogen gas expands against a constant pressure of 1 bar. The work done by the gas during this expansion is _________ J. (Round off to the Nearest Integer).
[Given : R = 8.314 J mol^1 K^1. Assume, hydrogen is an ideal gas] [Atomic mass of Fe is 55.85 u]