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  1. What is the difference between O & O2 - Chemistry Stack Exchange

    Jan 9, 2017 · What is the difference between $\ce {O}$ and $\ce {O2}$. If C is carbon and then why $\ce {O2}$ is oxygen.

  2. Why do we call O2 oxygen? - Chemistry Stack Exchange

    Nov 25, 2018 · Likewise $\ce {O2}$ is as much oxygen as atomic oxygen is. The only complication is that what we habitually think of as oxygen is oxygen as a gas comprised of …

  3. Why is H2O2 named hydrogen peroxide? - Chemistry Stack …

    Jun 10, 2016 · Hydrogen peroxide, on the other hand, as is evident from the structure in figure 2 below, contains not two $\ce {O^2-}$ units but a single $\ce {O2^2-}$ unit, composed of two …

  4. orbitals - What is the origin of the differences between the MO …

    Jul 18, 2014 · This phenomenon is explained by s-p mixing. All the elements in the second period before oxygen have the difference in energy between the 2s and 2p orbital small enough, so …

  5. Enthalpy of formation of O2 - Chemistry Stack Exchange

    Apr 13, 2025 · The enthalpy of formation of O2 is zero at any particular temperature. The element is already in its ''standard state'' . Also please note that as per IUPAC, there is no standard …

  6. If O2 is heavier than air, why does it float in air? [duplicate]

    Nov 29, 2022 · O2 and N2 are essentially idea gas in everyday condition. Suppose there is only O2 ideal gas, then it will distribute throughout the whole atmosphere. Now lets add N2 to the …

  7. stability - Why is O2 a biradical? - Chemistry Stack Exchange

    And finally there is $\ce {O#O}$ where both oxygens are positively charged and are free radicals. Why are both positively charged? It is because 3 bonds already to oxygen means 1 lone pair …

  8. combustion - Why are there two measurements for O2 …

    Jan 6, 2025 · Why is oxygen concentration in flue gases (biomass combustion, recovery boilers) reported in two forms: dry flue gases and wet flue gases? This raises several questions for …

  9. Why is oxygen paramagnetic? - Chemistry Stack Exchange

    May 3, 2016 · Paramagnetic molecules are molecules that have single electrons. When I draw the lewis structure of $\\ce{O2}$, it appears to be a diamagnetic structure. What makes it …

  10. How to find the infrared absorption spectrum of O2 and N2?

    Apr 17, 2024 · There is a good reason for not being able to find the mid-IR absorption spectra of nitrogen and oxygen. Their vibrations are infrared inactive. Infrared absorption peaks are …