Relative nunber of molecules Molecular Velocity Figure 2. Molecular velocity dis

Question

Relative nunber of molecules Molecular Velocity Figure 2. Molecular velocity distribution diagrams for 1.0 mol H2 and 1.0 mol N2 at the same temperature 0. Curves 1 and 2 in figure 2, above, represent the molecular velocity distribution diagrams for 1.0 mol of hydrogen gas and 1.0 mole of nitrogen gas at the same temperature. Which curve represents hydrogen g Nitrogen gas? Explain your reasoning. Hints: Substances at the same temperature have the same average kinetic energy The Kinetic Energy of a particle-mv, where m- mass of the particle, v- velocity of the particle

Explanation / Answer

Curve 2 is for hydrogen and curve 1 is for nitrogen.since at the same temperature average kinetic energy for both the gases are same .

Therefore E=1/2mv^2 implies that gas with high molecular mass have slower speed whereas gases with low molecularmass have larger velocity.so that overall energy remains the same

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