Relative nunber of molecules Molecular Velocity Figure 2. Molecular velocity dis
ID: 1038597 • Letter: R
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 particleExplanation / 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