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Draw a Lewis strucutre for the molecule N4O. Spectroscopic analysis of the molecule reveals that the nitrogen-oxygen bond length is 120 picometers and that there are three N-N bonds with lengths: 148, 127, and 115 pm
When runners or other athletes practice at high altitudes pressure is reduced. What then will be the effect on the [O2] in their blood? Why does this produce a lightheaded feeling?
In a chemical reaction (unbalanced equation), AsF3 + C2Cl6 -> AsCl3 + C2Cl2F4, the theoretical yield of C2Cl2F4 was calculated to be 1.86 mol. If the percent yield in the reaction was 77.2%,
calculate the energy of an electron in the hydrogen atom when n=2 and when n = 6. Calculate the wavelength of the radiation released when an electron moves from n=6 to n=2. Is this line in the visible region of the electromagnetic spectrum
An air stream's humidity is increased by combining it with a stream of water as shown below (hr stands for relative humidity). The water evaporates and increases the moisture content of the air stream. Determine the mass flow rate of stream B
Calculate the excluded volume for one mole of molecules, which is the constant b. How does this compare with the sum of the volumes of 1 mole of the same molecule
What is the molecular formula of the compound? Also, draw possible structures for the molecule
The heat of vaporization of a liquid is the energy required to vaporize 1.00 mol of a liquid at its boiling point. In one experiment, 60.0 g of liquid nitrogen (boiling pt = -196C) is poured into a Styrofoam cup containing 200.0 g of water at 55.3..
What can you say about the realtive magnitudes of the latice energy of lithium iodide and its heat of hydration?
a first order reaction has a half-life of 1.34 x 10-3 hours. if the initial concentration of the reactant is 8.00m what
How many grams of aluminum must be used to produce 5.00 grams of hydrogen gas?
what is the percent yield of a reaction in which 298 g phosphorus trichloride reacts with excess water to form 135 g
The half-equivalence point of a titration occurs half way to the end point, where half of the analyte has reacted to form its conjugate, and the other half still remains unreacted.
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