Lab #23 Write-Up (Due 4-19-12)

1. Lab #23 Write-Up (Due 4-19-12) • Rubric • Your Report • Header (Double Replacement Reactions) • Objective • Procedure & Materials: Refer to Handout • Data: Include group equations here; refer to WS for all equations in their non-ionic form. • Discussion: • Questions:Identify A-E and state reason. Then write full ionic equation, cross off spectator ion, then write the net ionic equation for four of thereactions that occurred. • Errors/Improvements • Conclusion • Claim – given on handout; Evidence (signs of rxn-refer to table; 3 evidences) Science Concept (solubility, precipitate, ionic comp., aq) • Lab Worksheet

2. Lab #20 Write-Up (Due 3-5-12) • Rubric • Your Report • Header (3-D Molecular Models) • Objective • Procedure & Materials: Refer to Handout • Data: Table attached • Discussion: • Questions #1-6 • Conclusion • Claim – given on handout; Evidence (Tables- explain VSEPR and shape) • Science Concept (hybridization; VSEPR models; polarity; intermolecular forces) • Lab Worksheet

3. Lab #11 Write-Up (Due 12-21-11) • Rubric • Your Report • Header (Heat of Fusion of Ice) • Objective • Procedure & Materials: Refer to Handout • Data : • Table & Graph: Temperature vs. Time Data • Calculations: Neatly… in Lab Handout • Discussion: • Questions (Refer to Lab WS #1-7) • Errors/Improvements (include in question #1) • Conclusion • Claim; Evidence (Data tables; cite examples of observations) • Science Concept (calorimetry; phase changes; etc.) • Lab Worksheet and Lab Data Sheet

4. Lab #10 Write-Up (Due 12-7-11) • Rubric • Your Report • Header (Boyle’s Law) • Objective • Procedure & Materials: Refer to Handout • Data: Refer to Table in Handout • Graph: Volume vs. Pressure(using total pressure and average volume) • Discussion: • Questions in Lab • Errors/Improvements (add after questions) • Conclusion: Space provided in lab handout; include: • Claim; Evidence (Data tables; cite examples of observations) • Science Concept (Inverse relationships, properties of gases, etc.) • Lab Worksheet

5. Lab #9 Write-Up (Due 11-29-11) • Rubric • Your Report • Header (Percent Water in Hydrate) • Objective • Procedure and Materials: Refer to Handout • Data: State Observations of hydrate before & after heating Summarize Data in table format • Calculations: WS: % water in hydrate; % error calculation • Discussion: • Questions on WS (neatly written!) • Errors/Improvements • Conclusion • Claim (given on handout) • Evidence (Data tables; cite examples of observations) • Science Concept (Hydrates: w/o color? Types; Uses – desiccants; crystal form) • Lab Worksheet

6. Lab #7 Write-Up (Due 11-10-11) • Rubric • Your Report • Header (Measuring Specific Heat) • Objective • Procedure and Materials: Refer to Handout • Data: Organize your data in a table. • Calculations: Show equation, sub w/units; answer w/units. • Include heat lost by metal, gained by water; specific heat calculation, % error (make sure to state heat lost metal = heat gained by water). • Discussion: • Questions (Write or restate questions) • Errors/Improvements (explain experimentally!) • Conclusion • Claim (given on handout) • Evidence (Data table; cite examples) • Science Concept (Calorimetry, specific heat, conservation of energy) • Lab WS followed by Lab Data Sheet

7. Lab #6 Write-Up (Due 11-7-11) • Rubric • Your Report • Header (Physical and Chemical Changes) • Objective • Procedure and Materials: Refer to Handout • Data: Include OBSERVATION TABLE in report • State evidence for chemical reaction; describe physical changes • Discussion: • Questions (Analysis); Errors/Improvements • Conclusion • Claim (given on handout) • Evidence (Observation table; cite examples) • Science Concept (Physical/Chemical changes; Evidence of chemical reactions; Dissolving as a physical change) • Lab WS followed by Lab Data Sheet

8. Lab #5 Activity (Due 10-25-11) • Rubric • Lab WS: Classifying Matter • Completed Table

9. Lab #4 Write-Up (Due 10-24-11) • Rubric • Your Report • Header (Radioactive Decay Cards) • Objective: Determine and illustrate the radioactive decay of U-238. • Procedure & Materials: Refer to Handout • Data • Table: List of Nuclear Equations • Graph: Mass Number vs. Atomic Number • Discussion: • Type question then answer in report or answer by restating the question. • Errors/Improvements • Conclusion • Claim; Evidence (Refer to the graph for illustration of decay series) • Science Concept (Cause and consequence of unstable nuclei; n/p ratio for stability; define radioactivity; describe radioactive particles and dangers; etc.) • Lab Worksheet

10. Lab #3 Write-Up (Due 10-13-11) • Rubric • Lab WS: Mole Conversions • Calculations: Shown on Lab Data Sheet • Questions: Written on WS • Conclusion: Written on WS • Claim; Evidence; Science Concept (meaning of “average” atomic mass; refer to calc. in table; define isotope; elements are mixtures; etc.) • Lab Data Sheet

11. Lab #2 Write-Up (Due 9-27-11) • Rubric • Your Report • Header (Atomic Mass of Beanium) • Objective • Procedure and Materials: Refer to Handout • Data/Graph: See data table on worksheet • Calculations: Average Atomic Mass: Method 1 vs. Method 2 • Discussion: • Questions (WS); Errors and Improvements • Conclusion • Claim; Evidence; Science Concept (meaning of “average” atomic mass; refer to calc. in table; define isotope; elements are mixtures; etc.) • Lab WS followed by Lab Data Sheet

12. Lab #1 Write-Up (Due 9-16-11) • Rubric • Your Report • Header (Graphing Laboratory Data) • Objective • Procedure and Materials: Refer to Handout • Data/Graph: See data table on worksheet; graph attached • Calculations: Average; Slope; Percent Error (2.509g standard) • Discussion: • Prelab questions (WS) • Conclusion • Claim; Evidence; Science Concept (state importance of title, labeling axes; significance of slope, etc.) • Lab WS followed by Lab Data Sheet

13. Outlines for Lab Write-ups Regents Chemistry 2011-2012