van der waals equation calculate the pressure (in atm) exerted by 1.0 mol H2S behaving as van der Waals gas when it is confined under the following conditions (a = 4.484 dm^6 atm mol^-1; b = 0.0434 dm^3 mol^-1); limit your answer to two significant figures: 1. 1.273.15 K in 22.414 dm^3 2. 500 K at 150 cm^3

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