CH116lecture17P

CH116lecture17P - UMass Boston, Chem 116 CHEM 116...

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UMass Boston, Chem 116 ©H.Sev ian 1 CHEM 116 Equilibrium Calculations Lecture 17 Prof. Sevian Today we will begin with the end of Lecture 16 notes that we didn’t finish last week. If you have already printed Lecture 16, then bring it to lecture with you along with Lecture 17 here. The pages included here in Lecture 17 are what will be covered after we finish Lecture 16. If you didn’t print Lecture 16 yet, you will need page 10 onward of that lecture. Today’s agenda z Equilibrium (finish ch. 15) z Relationships among K expressions z Multiplying reactions by factors z Summing reactions z le Chatelier’s principle z z Arrhenius model z Bronsted-Lowry model z
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©H.Sev ian 2 What patterns do you recognize in these reactions? 1. HCl ( aq ) + NaOH ( aq ) ' NaCl ( aq ) + H 2 O ( l ) 2. 2 HNO 3 ( aq ) + Ba(OH) 2 ( aq ) ' Ba(NO 3 ) 2 ( aq ) + 2 H 2 O ( l ) 3. CH 3 COOH ( aq ) + KOH ( aq ) ' KCH 3 COO ( aq ) + H 2 O ( l ) 4. H 2 SO 4 ( aq ) + NaOH ( aq ) ' NaHSO 4 ( aq ) + H 2 O ( l ) 5. H 2 C 2 O 4 ( aq ) + NaOH ( aq ) ' NaHC 2 O 4 ( aq ) + H 2 O ( l ) Acid Base Salt Water ++ ' This is the general Arrhenius acid-base reaction. What do all Arrhenius acids have in common? What do all Arrhenius bases have in common? Arrhenius acids What do all Arrhenius acids have in common? 1. HCl ( aq ) + H 2 O ( l ) ' H 3 O + ( aq ) + Cl ( aq ) 2. HNO 3 ( aq ) + H 2 O ( l ) ' H 3 O + ( aq ) + NO 3 ( aq ) 3. CH 3 COOH ( aq ) + H 2 O ( l ) ' H 3 O + ( aq ) + CH 3 COO ( aq ) 4. H 2 SO 4 ( aq
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This note was uploaded on 12/02/2011 for the course PHYSICS 235 taught by Professor Staff during the Fall '08 term at Rutgers.

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CH116lecture17P - UMass Boston, Chem 116 CHEM 116...

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