Name: ________________________________ Marking Scheme: Thermal Decomposition of Sodium Bicarbonate Knowledge (____/10) Prelab 0 2 4 6 8 10 Communication (___/25) Title page Introduction 0 0 1 1 2 2 3 3 0 1 2 0 1 2 3 0 1 2 3 0 0 1 1 2 2 3 0 1 2 3 4 Thermal decomposition; NaHCO3; stoichiometric calculations/quantities; purpose Equipment and Materials Separate lists, properly categorized Procedure Enumerated; past‐passive tense; reflects any changes Observations 4 5 Well‐organized; easy to interpret Includes qualitative and quantitative observations before and after reaction Conclusion Citations In‐text citations; works cited list; at least 2 academic references; APA format Organization and presentation Sections in proper order Grammar, spelling, formatting Typed Thinking/Inquiry (___/22) Analysis #1 #2 #3 #4 #5 Calculations – Sig figs, units, clarity Discussion Brief summary of relevant procedure/observations/ analysis; identification of solid and gas products, with evidence; error analysis 0 0 0 0 0 0 0 1 2 1 1 1 1 4 2 6 3 2 2 1 2 3 0 1 2 3 0 1 2 8 4 5 Application (____/5) In‐lab Participation; safety; clean‐up; accuracy of results Original observations are attached Total: ____/62
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