3. Consider the Van der Waals equation of state а (P+ v2) (V – b) = RT V2 (a) Use this equation of state together with the table of a and b values below, to calculate the pressure of 1 mole of gas under the following conditions: helium at a volume of 7.14x10-5 m³ and 5.19K (b) Use the computer to make a graph of P versus V for: (iii) diatomic nitrogen at 126.2 K for the range 8 x 10-5 m³

Question
3. Consider the Van der Waals equation of state
а
(P+ v2) (V – b) = RT
V2
(a) Use this equation of state together with the table of a and b values below,
to calculate the pressure of 1 mole of gas under the following conditions:
helium at a volume of 7.14x10-5 m³ and 5.19K
(b) Use the computer to make a graph of P versus V for:
(iii) diatomic nitrogen at 126.2 K for the range 8 x 10-5
m³ <V < 16×10-5,
m3
(c) Repeat part (b) assuming ideal gas behavior, displaying P versus V for
the same gas, over the same range in V, and for the same temperature.
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Transcribed Image Text

3. Consider the Van der Waals equation of state а (P+ v2) (V – b) = RT V2 (a) Use this equation of state together with the table of a and b values below, to calculate the pressure of 1 mole of gas under the following conditions: helium at a volume of 7.14x10-5 m³ and 5.19K (b) Use the computer to make a graph of P versus V for: (iii) diatomic nitrogen at 126.2 K for the range 8 x 10-5 m³ <V < 16×10-5, m3 (c) Repeat part (b) assuming ideal gas behavior, displaying P versus V for the same gas, over the same range in V, and for the same temperature.