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CHEM 201 - 9.12.07

CHEM 201 - 9.12.07 - CHEM 201 Molecular Equation o...

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CHEM 201 – September 12, 2007 Molecular Equation o Pb(NO 3 ) 2 (aq) + 2KCl (aq) PbCl 2 (s) + 2KNO 3 (aq) Ionic equation o Pb 2 + + 2NO 3 - + 2K + + 2Cl - PbCl 2 (s) + 2K + + 2NO 3 (aq) Net Ionic equation o Pb 2 + + 2Cl - PbCl 2 (s) o Everything else is called a spectator ion Acid-Base Neutralization o Acids react with bases to yield a salt + water o AY + BX AX + BY o HNO 3 (aq) + KOH (aq) HOH (l) + KNO 3 (aq) o HCl (aq) + NaOH (aq) HOH (l) + NaCl (aq) o Driving force of a acid-base reaction is the formation of water Arrhenius Acid – a substance which dissociates to form hydrogen ion in solution o HA H + A Arrhenius Base – a substance which dissociates to for hydroxide in solution o MOH M + OH Bronsted Acid – Can donate H + to another substance in solution Bronsted Base – can accept H + from another substance in solution o HA + B  BH + A donor acceptor donor acceptor Acid Base Acid Base List of Acids with decreasing strength with conjugate base o HClO 4 ClO 4 - o HI I - o HBr Br - o BCl Cl - o H 2 SO 4
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