HW 5-3-09 - Joseph Leonard Green H P327 1-10 1 What idea is...

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Joseph Leonard Green H P327 # 1-10 5/3/09 1. What idea is the kinetic-molecular theory based on? Particles of matter are always in motion. 2. What is an ideal gas? An imaginary gas that perfectly fits all the assumptions of the kinetic- molecular theory. 3. State the five basic assumptions of the kinetic-molecular theory. 1) Gases consist of large numbers of tiny particles that are far apart relative to their size. 2) Collisions between gas particles and between particles and container walls are elastic collision. 3) Gas particles are in continuous, rapid, random motion. They therefore possess kinetic energy. 4) There are no forces of attraction or repulsion between gas particles. 5) The average kinetic energy of gas particles depends on the temperature of the gas. 4. How do gases compare with liquids and solids in terms of the distance between their molecules? Much more space between particles; about 1000 times as much space between the particles compared to liquids and solids of the same substance 5. What is an elastic collision?
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