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Which phrase describes the motion and attractive forces of ideal gas particles?(1) random straight-

June 2018 NY Regents Chemistry Exam


16 Which phrase describes the motion and attractive forces of ideal gas particles? (1) random straight-line motion and no attractive forces (2) random straight-line motion and strong attractive forces (3) random curved-line motion and no attractive forces (4) random curved-line motion and strong attractive forces


Solution: According to Kinetic molecular theory ideal gas particles

  1. Gas particles have negligible volume.

  2. Gas particles are in continuous random motion and move in straight lines.

  3. No forces of attraction or repulsion are considered to exist between the particles.

  4. Collisions of gas particles may transfer energy from one particle to another, but the total kinetic energy remains the same.

Answer: 1


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