are your students ready for lab?
TRANSCRIPT
Are Your Students Ready for Lab?
Presented by: Tony BaldwinModerated by: Janet del Mundo
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November 5th, 2015
2
Questions and Comments
Introductions
Tony BaldwinDirector and Co-founderLearning Science
3
100s interactive resourcesCovers all common techniques,
calculations, safety & instruments
General and organic chemistry
New in Version IIHTML5 practice activitiesAdditional content including:
Boiling Point Analysis by DistillationGas ChromatographyDecantation Vacuum distillationSublimationPolarimetry
Challenges:Getting students engagedGetting students preparedIncreasing confidence in the labStudents ran out of time
Students didn’t do the work
First 15 minutes used to catch up
Labs became recipe following exercise
DemonstrationInteractive practice
Quizzes
Demonstration activities HTML5
Provide key information and conceptsVideos and stepped calculationsGives students control
Practice activities HTML5
Highly interactiveInvolve decision making and problem
solvingHands onSetting up equipment, performing
techniques and working through calculations
QuizzesTest information from demonstration and
practice activitiesPre-populatedCreate custom quizzes
Safety in the LaboratoryKeeping a Laboratory NotebookWriting a Laboratory ReportWeighing with a Top Pan BalanceWeighing with an Analytical BalanceUsing Graduated CylindersUsing Volumetric PipetsUsing Graduated PipetsPreparing Standard SolutionsPreparing Standard Solutions by DilutionHeating with a Bunsen BurnerUsing an Electric Hot Plate and Magnetic StirrerCooling with an Ice BathHeating with a Water BathMeasuring pH with a pH MeterUsing pH IndicatorspH and Buffer CalculationsTitration ExperimentsTitration CalculationsCalorimetry for Measuring Enthalpy Change of NeutralizationCalorimetry for Measuring Enthalpy Change of CombustionEnthalpy Change Calculations
Redox ReactionsElectrochemical Cells
Performing a Gravity FiltrationPerforming a Vacuum Filtration (Büchner)Using a CentrifugePerforming a RecrystallizationPerforming a Melting Point AnalysisUsing a UV-Vis SpectrophotometerQualitative Tests for Anions and CationsDensity CalculationsBalancing EquationsMole Calculations Involving Molar MassMole Calculations Involving SolidsMole Calculations Involving SolutionsMole Calculations to Determine YieldIdeal Gas CalculationsEquilibrium Constant CalculationsEquilibria - Le Chatelier’s PrincipleRate of Reaction CalculationsError Analysis: Combining ErrorsError Analysis: Percentage ErrorError Analysis: Standard DeviationSignificant FiguresHeating under RefluxPerforming Distillation Experiments
Using a Rotary EvaporatorUsing a Separatory FunnelChoosing and Using Drying AgentsThin Layer Chromatography (TLC)
Column ChromatographyInfrared (IR) SpectroscopyProton Nuclear Magnetic Resonance Spectroscopy (1H NMR)Carbon-13 Nuclear Magnetic Resonance Spectroscopy (13C NMR)Qualitative Tests for Organic Functional GroupsUsing Microscale EquipmentUsing an Automated Pipet (Microscale)Heating under Reflux (Microscale)Performing Distillation Experiments (Microscale)Performing a Pipet Filtration (Microscale)Performing a Vacuum Filtration (Hirsch) (Microscale)Performing a Recrystallization (Microscale)Performing a Liquid Extraction (Microscale)Mole Calculations Involving LiquidsEquilibrium CalculationsError Analysis
Preparing Standard Solutions by Dilution
Weighing with a Top Pan Balance Performing a Vacuum Filtration (Büchner)
Mole Calculations to Determine Yield
Weighing with a Top Pan Balance Performing a Vacuum Filtration (Büchner)
Preparing Standard Solutions by Dilution
Mole Calculations to Determine Yield
Performing a Vacuum Filtration (Büchner)
Preparing Standard Solutions by Dilution
Weighing with a Top Pan Balance
Mole Calculations to Determine Yield
Automatically gradedSaves staff timeIncentive for students to
do the pre-lab work
Feedback in time for the labs
Consistent for all24 hour access
For students:
ExampleChemical Principles in the LaboratoryEmil J. Slowinski, Wayne C. Wolsey
Experiment 28:Determination of the hardness of water
ExampleWeighing by difference
Example
Volumetric flask
Example
Titration
Techniques:Weighing Measuring cylindersVolumetric flaskTitration set upTitrationVolumetric pipetReading a buret
Calculations:MolarityMoles
Questions?
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