[{"data_type":"bookmark","bookmark_url":"http:\/\/crippen.nevada.edu\/calculators\/activities\/titrate.html","bookmark_desc":"Modeling Titration Curves","bookmark_notes":"Titration is a procedure used by chemists to determine the concentrations of dissolved chemical species. Chemistry teachers often use titrations to teach about acid\/base behavior. The chemistry teacher uses the shapes of titration curves when explaining a variety of chemical behaviors. What a chemistry teacher describes as the buffering zone and the equivalence point of a titration curve, the mathematics teacher describes as critical points of a function. The titration curve represents a possible area for integration when teaching these two disciplines. We have developed a simple calculator program that generates a titration curve for any reacting acid species with a strong base (such as sodium hydroxide). The user enters these quantities: molarity of acid; dissociation constant for the acid (Ka); dissociation constant for water (Kw); volume of acid to be titrated; and molarity of titrant (such as NaOH). The calculator then generates a titration curve plotting pH vs. volume titrant added. \t Ka = 100 \t Ka = 1x10^-5 \t Ka = 1x10^-10 \t 1. Ka = 100 2. Ka = 1x10^-5 3. Ka = 1x10^-10 PROGRAMS FOR DOWNLOADING The following programs are UUE encoded. \t TI-82 \t TI-83 Program for creating titration curves. \t TITRATE.82P.sit MAC TITRATE.82P.zip WIN \t TITRATE.82P.sit MAC TITRATE.83p.zip WIN Program written for calculation of first and second derivative of a titration curve. Written by Vernier Software. \t DERIVE.82p.sit MAC DERIVE.82p.zip WIN \t DERIVE.83p.sit MAC DERIVE.83p.zip WIN","ub_date":"1229030435","bookmark_date":"1222417870","tags_str":"calculator<\/a>, chemistry<\/a>, download<\/a>, maths<\/a>","se_id":"modeling-titration-curves","user_name":"davidar","user_img":"","user_count":"1"}]