3. A sample containing 2.25 moles of He (1 bar, 298 K) is mixed with 3.00 moles of Ne (1 bar, 298 K) and 1.75 moles of Ar (1 bar, 298 K). Calculate the ΔSmixing value. (10%)
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3. A sample containing 2.25 moles of He (1 bar, 298 K) is mixed with 3.00 moles of Ne (1 bar, 298 K) and 1.75 moles of Ar (1 bar, 298 K). Calculate the ΔSmixing value. (10%)