average potential energy / rst law / mechanical energy / energy kT / characteristic energy density rðv / energy gain / universal gas constant / spectral energy density / average energy / kinetic energy / minimal energy equal / gas pressure / overall energy transfer / energy density gðTÞ / diatomic ideal gas / negative potential energy / internal energy / gas equation / energy loss / energy density / energy exchange / vibration energy / average total energy kT / average energy hEi / gas hinges / monatomic gas / high kinetic energy / maximum kinetic energy / average kinetic energy / energy leaks / energy / /