CH 302 1st Edition Lecture 10 Outline of Last Lecture I. Equilibrium Constant, KII. Relationship between K and GIII. Equilibrium Response to ChangeOutline of Current Lecture I. Acids II. BasesIII. Strong Acids and Strong BasesIV. Weak Acids and Weak BasesCurrent LectureAcids:- Strength depends on extent of ionization- Extent of ionization is described by equilibrium constant, K- Proton donor- Sour- Turns red in litmus paper- Strong acids dissociate completely- Acids have a low pH- There are 7 strong acids- They conduct electricity in water- Weak acid and a strong base pair go together- Acids react with reactive metalsBases:- Slippery- Bitter- Turns blue in litmus paper- There are 8 strong bases- pH is greater than 7, up to 14- Conduct electricity in water- Proton acceptors- Strong bases dissociate completely- They have a conjugate acid pairStrong Acids and Strong Bases:- Strong acids:o Hydrochloric acido Hydrobromic acido Hydroiodic acido Perchloric acido Chloric acido Sulfuric acido Nitric acid- Strong Bases:o LiOHo NaOHo KOHo RbOHo CsOHo Ca(OH)2o Sr(OH)2o Ba(OH)2Weak Acids and Bases:- Weak Acids:o Acetic acido Formic acido Benzoic acido Nitrous acido Chlorous acido Hypochlorous acido Hydrofluoric acido Hydrocyanic acid- Weak Bases:o Ammoniao Trimethylamineo Methylamineo Dimethylamineo Ethylamineo Triethylamineo
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