Calculate the pressure exerted in atm by 3.0 moles of ammonia when it is behaving as (a) a perfect gas in atm at 25°C in 22.414L and (b) van der Waals (VDW) gas at 100°C  in 1000.0 cm3.   Given van der Waals constants: a(NH3) (L2.atm/mol2) = 4.17 and b(NH3)(L/mol) = 0.037. Use 273.15 K for the temperature conversion. Pperfect gas  =  [A] atm PVDW  = [B] atm

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Chapter1: Gases And The Zeroth Law Of Thermodynamics
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Problem 1.21E: Pressures of gases in mixtures are referred to as partial pressures and are additive. 1.00 L of He...
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Calculate the pressure exerted in atm by 3.0 moles of ammonia when it is behaving as (a) a perfect gas in atm at 25°C in 22.414L and (b) van der Waals (VDW) gas at 100°C  in 1000.0 cm3.

 

Given van der Waals constants: a(NH3) (L2.atm/mol2) = 4.17 and b(NH3)(L/mol) = 0.037. Use 273.15 K for the temperature conversion.

Pperfect gas  =  [A] atm

PVDW  = [B] atm 

 

3 sig. figures normal format.

 

Note: There is no need to add the units. The numerical values is sufficient as long as it is calculated in atm. Please also indicate the sign if it is necessary without a space from the numerical answer. 

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