Why the carbon does not produce a bimolecular gas
Why doesn't carbon produce a bimolecular gas, nitrogen (three pair of shared electrons) and as hydrogen (one pair of shared electrons), oxygen (two pairs of shared electrons)? Carbon atoms can share four electron pairs when forming molecules.
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A buffer solution is prepared by dissolving the HA and NaA in the pure water. The sum of the molarities of HA and NaA is 2.25 and the pH of the solution is 7.50.
Find mean and standard deviation of statistic p hat, sample proportion who are boys? Use Normal approximation to determine probability that p hat would be less than 0.5.
The half-life of cesium-137 is 30yrs. Of an initial 100 g sample, explain how much cesium-137 will remain after the 300 yrs in mg?
(i) Find out the kinetic energy of the block as it moves all along the horizontal surface? (ii) What distance all along the ramp does the block slide prior to coming temporarily to a stop?
By using the equilibrium concentrations, determine the Keq for the formation of FeSCN2+ How to compare it to Keq literature value, and determine for their % difference?
How large a percentage of teenagers would you have to attract as listeners in order to increase the percentage of teenagers among your listeners to 45%? Give your answer rounded to the nearest whole percent.
Determine the total mechanical energy of the block if it comes momentarily to a stop?
Hydrazine is burned in the excess fluorine gas, producing the NF3. The balanced net ionic equation is:
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