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lec14_whc - Review-BronstedLowry Bases A base is a proton(H...

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Review-- Bronsted–Lowry Bases A base is a proton (H + ) acceptor An acid is a proton (H + ) donor But first, a note about lab safety and why we are so dictatorial about it.
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Sheri Sangji
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"It is horrifying," said her sister Naveen, 26, a Harvard medical student. "Sheri wasn't out doing something stupid. She was working in a lab at one of the largest universities in the world. She gets these horrific injuries and loses her life to these injuries and we still don't know how it happened or why it wasn't prevented." A day before her funeral in Toronto, her family learned that she had been accepted to UC Berkeley's Boalt Hall School of Law. Eighteen excruciating days after the accident, Sangji died in a hospital burn unit.
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Sheri Sangji
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Bronsted-Lowry Acids An acid is a proton H + donor Gas phase reaction – in vacuum HCl(g) H + (g) + Cl (g) Aqueous environment – include H 2 O HCl(aq) + H 2 O(l) H 3 O + (aq) + Cl (aq)
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Bronsted–Lowry Bases A base is a proton H + acceptor Strong base – “large K c O 2– (aq) + H 2 O(l) 2OH (aq) Weak base – “small K c NH 3 (aq) + H 2 O(l) NH 4 + (aq) + OH (aq)
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Conjugate Acids and Bases Names for book-keeping reactions HCl(aq) + H 2 O(l) H 3 O + (aq) + Cl (aq) HCl(aq) is the acid, Cl is the conjugate base NH 3 (aq) + H
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