Is the energy due to motion (KEAVE = 1/2mv2, where m = average mass, and v = average velocity) Why do we talk about AVERAGE kinetic energy? A given gas sample has a distribution of kinetic energies, not just one value. The reason being there is a distribution of velocities for any gas sample at a given temperature. Why is kinetic energy directly proportional to temperature? As temperature increases the velocity distribution shifts to higher and higher velocities. Since average velocity increases so does the average kinetic energy. What is the only variable we need in order to determine kinetic energy? You have two containers at the same temperature and pressure. Container #1 has one mole of O2 gas, and container #2 has one mole of H2 gas. How do each compare? (a) Average kinetic energy? (b) Velocities? You have two containers at the same temperature and pressure. Container #1 has one mole of O2 gas, and container #2 has one mole of H2 gas. How do each compare? (c) Number
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