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  1. Hydrogen bonding .... A hydrogen bond is a weakly covalent bond between the hydrogen ..., and the N, O, or F of an adjacent molecule.  The hydrogen serves as a bridge between two molecules. The answer to ...

    1 Answers · Science & Mathematics · 05/12/2019

  2. In the equation, Z represents the nuclear charge. For hydrogen , that is 1. So, for the first part of the question: E...

    1 Answers · Science & Mathematics · 31/10/2020

  3. NH3 and CH3OH are the only two that can form hydrogen bonds.

    1 Answers · Science & Mathematics · 04/04/2020

  4. The balanced equation:  N2(g) + 3H2(g)  → 2NH3(g) 1 mol N2 reacts with 3 mol H2 to produce 2 mol NH3  For gases , moles = volumes 1 volume N2 reacts with 3 volumes...

    2 Answers · Science & Mathematics · 14/07/2020

  5. The n-th energy level is Eₙ = 13.6/n² (in units of electron-volts), eV) So the 4-th level has energy E₄ =  -13.6/4² = 0.85 eV ‘suitable units’ could also mean joules, in which case: E₄  = 0.85...

    1 Answers · Science & Mathematics · 07/02/2020

  6. Delta E = -2.18X10^-18 (1/n^2f - 1/n^2i) Delta E = -2.18X10^-18 (1/4 - 1/49) = -5.00X10^-19 J/photon E = hc/wavelength 5.00X10^-19 J = 6.626X10^-34 Js (3.00X10^-8 m/s) / wavelength wavelength = 3...

    1 Answers · Science & Mathematics · 30/09/2020

  7. only one question allowed, you have 7. I'll do one Hydrogen + Nitrogen ➜ Ammonia 3H₂ + N₂ ➜ 2NH₃...

    1 Answers · Science & Mathematics · 13/06/2020

  8. ...between 2 carbons that are no longer used to bond with hydrogens .

    1 Answers · Science & Mathematics · 08/07/2020

  9. Yes. Especially the hydrogen atoms. Hydrogen atoms are nearly the same age as the universe.

    9 Answers · Society & Culture · 11/01/2020

  10. .... ==== 3. A strong acid completely ionizes in water to form hydrogen ions, while a weak acid partially ionizes in water to form hydrogen ...

    2 Answers · Science & Mathematics · 23/07/2020

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