Question 1 Suppose you have 3.68 mol of an ideal gas in a 1.80 L container at 45

Question

Question 1 Suppose you have 3.68 mol of an ideal gas in a 1.80 L container at 45.82 atm. b) Sketch a pressure versus volume graph for this ideal gas, either using the graph paper on the next page or in a spreadsheet such as Excel. Have the graph go out to 5 L and 350 atm. Use at least 6 points used to draw this curve. On the graph from part b, use a dotted line to sketch the approximate curve that you might expect to see for a real gas with strong attractive intermolecular interactions at intermediate pressures (25-100 atm). c)

Explanation / Answer

n = number of moles = 3.68 mol

V = Volume of gas = 1.80 L = 1.80 x 10-3 m3

P = pressure = 45.82 atm = 45.82 x 1.01325 x 105 Pa

T = temperature = ?

Using the equation

PV = n RT

(45.82 x 1.01325 x 105 ) (1.80 x 10-3) = (3.68) (8.314) T

T = 273.14 K

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