engineering chemistry MCQ #3430

engineering chemistry MCQ #3430

1. Question 1

   Q1. The van der Waals equation for real gases is given by:

   • A) (P + a / V²)(V - b) = nRT
   • B) (P - a / V²)(V + b) = nRT
   • C) (P + a / V)(V - b) = nRT
   • D) (P - a / V)(V + b) = nRT

   Answer: (P + a / V²)(V - b) = nRT

   Explanation: The van der Waals equation accounts for intermolecular forces (a) and molecular size (b).