An uncharged atom the boron has an atomic number of 5 and also an atom mass the 11. How plenty of protons does boron have?


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the forward and also reverse reactions happen at the same rate so that the concentrations of reactants and products continue to be the same
Chemical equilibrium occurs as soon as the forward and reverse reactions counter each other. This is a dynamic equilibrium since the reactions proceed to occur, yet the concentrations perform not change.
Hydrogen Bonds are weaker than covalent bonds due to the fact that they do not involve sharing of electrons, and they space weaker 보다 ionic bonds due to the fact that they show off the attraction of partial (not full) the opposite charges.
A buffer is composed of undissociated mountain (HA) and also the ion make by dissociating the mountain (A-). Just how does this system buffer a solution against decreases in pH?
A- reacts through H+ to become HA(A- binds many of the added H+, therefore not much H+ is left to lower the pH)
How walk the means a buffer stabilizes pH during enhancement of mountain differ from the way the very same buffer stabilizes pH during enhancement of base?
It"s the very same reaction running backward or forward(The buffer accepts H+ in one case; it offers off H+ in the various other case)
Given what girlfriend know about the human body, what execute you think accounts because that the high percentage of oxygen (65.0%)?
The human being body is mostly consisted of of water (H2O), and there is one oxygen atom in each molecule of water. Keep in mind that, although every water molecule additionally contains 2 hydrogen atoms, the atomic mass the hydrogen (about 1) is much smaller 보다 the atom mass that oxygen (about 16). Since of this, hydrogen contributes much less to human being body mass than oxygen.
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Chemistry: The central Science14th EditionBruce Edward Bursten, Catherine J. Murphy, H. Eugene Lemay, Matthew E. Stoltzfus, Patrick Woodward, Theodore Brown
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