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Record W7140519082 · doi:10.1333/s00897202911a

Transitioning from General Chemistry into Organic Chemistry

2020· article· en· W7140519082 on OpenAlexaff
Laura Stachow, Jared VanderZwaag, Kristen Limacher, Liza Abraham

Bibliographic record

VenueThe Chemical Educator · 2020
Typearticle
Languageen
FieldChemistry
TopicVarious Chemistry Research Topics
Canadian institutionsAmbrose University
Fundersnot available
KeywordsSaponificationGeneral chemistryFoundation (evidence)Green chemistryNucleophilic substitutionIdeal (ethics)

Abstract

fetched live from OpenAlex

A laboratory experiment was developed and implemented for second year undergraduate students as their first organic chemistry (OCHEM) laboratory experiment to facilitate a smoother transition from general chemistry (GCHEM) to OCHEM. The objective of the experiment was for students to execute a saponification reaction using coconut oil and understand the chemical principles behind that reaction. After performing the experiment, students formed into groups to discuss and answer inquiry-based questions provided by a supporting worksheet. Discussion groups were used to facilitate active participation and collaborative learning with the aim of building a connection between GCHEM and OCHEM concepts through the application of these principles in this laboratory experiment. Rather than employing the traditional, cook-book approach to laboratory experiments, this project allows students to critically review fundamental concepts through peer-led discussions, laying a strong foundation for the course materials, and strengthening understanding of fundamental chemistry concepts. Students have the opportunity to apply basic OCHEM concepts such as: structural representations, electronegativity, polarity, solubility, orbital overlap, sigma and pi bonding, functional groups as site of reactivity, electrophile and nucleophile, reaction mechanisms, resonance, and nucleophilic acyl substitution reaction as a means to explain the saponification reaction. The conversion of oils into soap is an ideal exercise to implement active learning through student engagement. By employing a simple saponification reaction and problem-solving discussions, students are better positioned to begin their studies in OCHEM.

Fetched live from OpenAlex and de-inverted. Abstracts are not stored in this database: the inverted indexes are 8.6 GB of the frame’s 9.3 GB of text, and the host has 13 GB free.

How this classification was reachedexpand

Full frame machine prediction

Teacher imitation

Not calibrated prevalence, not ground truth. Human validation pending. The Gemma side is a direct model label for every work in the frame, read from the title-only record. The Codex side is a classifier learned from the 10,348 direct Codex labels and calibrated to design-weighted sample rates; fields without enough sample support carry no Codex call. Candidate is the union of the two sides; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels.

metaresearch head score (Codex)0.002
metaresearch head score (Gemma)0.003
Version: metacan-v3-hybrid-931329e0061cValidation status: machine_predicted_unvalidated
Candidate categoriesnone
Consensus categoriesnone
DomainCandidate signal: none · Consensus signal: none
Study designCandidate signal: Not applicable · Consensus signal: none
GenreCandidate signal: Empirical · Consensus signal: Empirical
Teacher disagreement score0.014
Threshold uncertainty score0.048

Distilled classifier scores by category (both heads)

CategoryCodexGemma
Metaresearch0.0020.003
Meta-epidemiology (narrow)0.0010.000
Meta-epidemiology (broad)0.0010.000
Bibliometrics0.0000.000
Science and technology studies0.0010.001
Scholarly communication0.0010.001
Open science0.0010.003
Research integrity0.0010.002
Insufficient payload (model declined to judge)0.0140.002

Machine scores (provisional)

The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.

Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.

Opus teacher head0.015
GPT teacher head0.250
Teacher spread0.236 · how far apart the two teachers sit on this one work
Validation statusscore_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from it

Classification

machine, unvalidated

Machine predicted; a candidate call from one source (direct Gemma or distilled Codex), not a consensus.

The models applied no category: nothing in the taxonomy fit this work.
Study designNot applicable
Domainnot available
GenreEmpirical

How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".

Quick stats

Citations1
Published2020
Admission routes1
Has abstractyes

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