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A common pair-wise intermolecular potential is the Lennard-Jones potential, which is given by
φ=4a((σ/r)12-(σ/r)6). Here a and σ are constants and r is the distance between the two molecules.
1. How much work is required to seperate two molecules bound by a Lennard Jones potential?
2. Estimate the equilibrium density of a fluid whose intermolecular potential can be described by the Lennard-Jones potential. For simplicity, assume that molecules in the fluid are arranged at the vertices of a cube (cube lattice), and that these cubes are stacked together in a regular 3-D arrangement.
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What is the limiting reactant? b) How many grams of magnesium hydroxide can be theoretically obtained? c) If only 2.009g of magnesium hydroxide are obtained, what is the percent yield of the reaction?
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