100 10454 120 Chemistry I (SCP) 522 130 Unit 4 Hazardous Wastes 140 150 11-12 160 170 1 180 210 211 212 213 214 215 216 220 221 222 223 224 225 226 230 231 232 233 234 235 236 240 241 242 243 244 245 246 250 251 252 253 254 255 256 300 How can the dangers of hazardous wastes be minimized? 300 How can an NFPA report be used to communicate the hazards of a chemical to the public? 300 What methods can be used to determine the hazards of a chemical in the laboratory? 300 400 Types of hazardous wastes 400 Disposal methods for hazardous wastes 400 Metals vs. nonmetals 400 Types of bonds--covalent, ionic and metallic 400 Properties of molecular vs. ionic vs. metallic substances 400 Writing formulas for and naming compounds 400 Flash points 400 Analysis of 4 chemical wastes in the laboratory 400 Identification of acids and bases 400 Calculating pH of acids and bases 400 NFPA reports 400 500 Students will develop the ability to: 500 Explain the various ways of disposing of toxic waste 500 Classify elements as metals and nonmetals 500 Determine the type of bond which would form between various elements 500 Draw electron dot structure to illustrate both ionic and covalent bonding 500 Write formulas for and name vaious compounds 500 Explain the properties of molecular vs. ionic compounds and why these properties occur 500 Identify acids and bases 500 Calculate the pH of various acids and bases given the molar concentration 500 Investigate cross-contamination problems and the effects of the 4 chemical wastes on metals and the environment using crushed marble 500 Determine the health effects of the 4 chemical wastes by determining zones of inhibition on e Coli bacterial plates 500 Determine reactivity, ignition time, and the pH of the 4 chemical wastes 500 Generate an NFPA report and hazard diamond for each of the 4 chemical wastes 500 Interprete NFPA diamonds to determine the correct storage and cautions to take with given chemicals 500 Obtain important information from MSDS including formula, density, LD50, NFPA ratings, and health hazards 500 500 600 Read a scenario concerning a hazardous waste contamination of a town 600 Answer questions concerning the various ways of disposing of hazardous wastes 600 Practice classifying elements as metals and nonmetals 600 Demonstrate the ability to determine which type of bond forms between 2 given elements 600 Lab activity--Types of compounds 600 Draw electron dot structures which indicate whether e- transfer or sharing occurs in the bond 600 Name and write formulas for compounds 600 Identify acids and bases 600 Calculate pH for various strong acids and bases given the molarity of the solution 600 Determine cross-contamination problems, and corrossiveness to metals and marble of 4 chemical wastes in the lab. 600 Prepare e Coli bacterial plates and determine the zone of inhibition of each of the 4 chemical wastes 600 Determine the reactivity with an acid, base and oxidizer of each of the 4 chemical wastes 600 Measure the ignition time and the pH of each of the 4 chemical wastes 600 Write an NFPA report and draw an NFPA hazard diamond, correctly colored for each of the 4 chemical wastes 600 Write a business letter to the headmaster explaining the dangers of the 4 chemical wastes and how they should be stored or disposed 600 600 600 700 Performance based grading of students' ability to draw the correct electron dot structure for the type of bond between 2 elements 700 Hypothesis for types of solids lab explaining why the solids had such different behaviors 700 Perfomance based grading of students' NFPA reports as well as drawing and interpreting hazard diamonds 700 Assessment of the business letter to headmaster explaining the results of the lab analysis of the 4 chemical wastes 700 Quizzes 700 Tests 700 800 Prepare an oral presentation with visuals on some aspect of pollution or hazardous waste and their disposal options such as deep-well injection. 820 Chemistry for Technology developed by South Carolina Dept. of Ed, 2003