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.
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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?
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Hydrazine is burned in the excess fluorine gas, producing the NF3. The balanced net ionic equation is:
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