Homework Answers
Since, it is an ideal gas, it follows the equation, PV = nRT, P = 2.5 atm, n = 3, T = 273.15, R = 0.0821 L atm/mol/K.
Putting these values in the equation, V = nRT/P = 26.91 L
van Der Waal's eq = 
, a = 0.034, b = 0.023
Putting these values in eqn, we find V = 26.977 L
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Be sure to answer all parts. Calculate the pressure exerted by 2.65 moles of CO2 confined in a volume of 4.03 L at 456 K. What pressure is predicted by the ideal gas equation? The van der Waals constants for CQ area 3.59 atm. L2/mol2 and b 0.0427 L/mol. van der Waals equation: ideal gas equation: [24.6 ]atm
need help on part B
a Calculate the pressure exerted by 20.0 g of Co, in a 600 ml. vessel at 298 K using the ideal gas equation. Then, recalculate the pressure using the van der Waals equation. Assuming that the pressure calculated from the van der Waals equation is correct, what is the percent error in the answer when using the ideal gas equation? Van der Waals constants for CO2 are: a = 3.50 -, and b=0.0427 L/mol; R...
LAPIOL PEDOU STOPAD 2. Each student has been assigned a common gas or volatile liquid compound. (A) Do you expect the compound you have been assigned behave like an ideal gas at standard temperature and pressure? (This can be quantified by comparing the pressure of the compound using the Van der Waals equation of state to that of the ideal gas equation of state). The Van der Waals equation of state is one of the most common used to understand...
The van der Waals equation gives a relationship between the pressure p (atm), volume V(L), and temperature T(K) for a real gas: .2 where n is the number of moles, R 0.08206(L atm)(mol K) is the gas con- stant, and a (L- atm/mol-) and b (L/mol) are material constants. Determine the volume of 1.5 mol of nitrogen (a .39 L2 atm/mol2. b = 0.03913 L/mol) at temperature of 350 K and pressure of 70 atm.
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