How the Barometer Was Invented | Britannica

Reaction between NF3, F2, and SbF3 at 200^∘ C and 100 atm pressure gives the ionic compound NF4 SbF6 NF3(g) 2 F2(g) SbF3(g) →NF4 SbF6(s) Draw Lewis structures for the ions in this product. | Numerade

An LPG cylinder contains 20 kg of butane gas at 27^∘ C and 10 atm pressure. It was leaking and the pressure came down to 8 atmosphere after 20 hours. The gas lost is kg. | Numerade

How Close Together Are Gas Molecules? Consider an ideal gas at 27^∘ C and 1.00 atm pressure. To get some idea how close these molecules are to each other, on the average, imagine them to be uniformly spaced, with each molecule at the center of a small cube. (a) What is the length of an edge of each cube if adjacent cubes touch bur do not overlap? (b) How does this distance compare with the diameter of a typical molecule? (c) How does their separation compare with the spacing of atoms in solids,

gate ab in fig p251 is 12 m long and 08 m into the paper neglecting atmospheric pressure effects compute the force f on the gate and its center of pressure position x 40503

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