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Calculate the pressure exerted by 2 g of helium in a 300 mL container at −25°C...

Calculate the pressure exerted by 2 g of helium in a 300 mL container at −25°C using (a) the ideal gas law, (b) van der Waals equation. Suggest the reason for the difference between the non-ideal and ideal cases. Data: a = 3.46 ×10−3 Pa m6; b = 23.71×10−6 m3mol−1. (20 pts)

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