H2P-687
Temperature and kinetic energy
H2 Physics · JC 2 · Medium · Temperature and kinetic energy
For an ideal gas, the mean kinetic energy per molecule is . At 320 K the mean-square speed of the molecules is m² s⁻². Calculate the mean-square speed at 480 K.
- 2.0×10⁵ m² s⁻²
- 3.0×10⁵ m² s⁻²
- 4.5×10⁵ m² s⁻²
- 7.2×10⁵ m² s⁻²
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