As you climb a high mountain, the buoyant force exerted on you by the atmosphere

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Which compound is held together by the electrostatic force between two ions? a. co2 b. cci4 c. h2s d. mgf2

Consider an ideal gas at 27.0 degrees celsius and 1.00 atmosphere pressure. imagine the molecules to be uniformly spaced, with each molecule at the center of a small cube. what is the length l of an edge of each small cube if adjacent cubes touch but don't overlap?