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🧪˚:•. CHEM THEORIES | Transition State TheoryWhat happens during a chemical reaction? 🤔Transition State Theory explains ...
29/09/2026

🧪˚:•. CHEM THEORIES | Transition State Theory

What happens during a chemical reaction? 🤔

Transition State Theory explains that chemical reactions occur when reactants pass through a high-energy transition state before forming products. This theory helps us understand how the energy needed to reach this state affects the rate of a chemical reaction.

Henry Eyring (1935) Developed Transition State Theory to explain how chemical reactions occur and how reaction rates are related to the energy of the transition state.

* Transition State A high-energy arrangement of atoms that occurs as reactants are transformed into products.
* Activation Energy The energy needed for reactants to reach the transition state.
* Reaction Rate The rate of a reaction is influenced by how easily reactants can reach the transition state.

From reaction energy to the formation of products, Transition State Theory helps us understand what happens at the molecular level during chemical reactions.

References:
Fleischmann, T. (2024). Henry Eyring. EBSCO Research Starters. https://www.ebsco.com/research-starters/history/henry-eyring/

Laidler, K. J. (2026, May 4). Reaction rate. In Encyclopaedia Britannica. https://www.britannica.com/science/reaction-rate

Rzepa, H. (n.d.). Transition states. Imperial College London. https://www.ch.ic.ac.uk/local/organic/mod/mo_5.html�

29/09/2026

COMPOUND OF THE DAY
September 29, 2026

Acetylene (C₂H₂) is a colorless gas with a distinctive odor and is highly flammable. It is commonly used in welding and metal cutting and as a starting material in the production of various chemicals.

References:
CAS Common Chemistry. (2026). Acetylene. https://commonchemistry.cas.org/results?q=acetylene

OXY Gases. (n.d.). Acetylene. https://oxygases.ae/acetylene.php

GasNose. (2026, July 27). Acetylene (C₂H₂): Hazards and gas detection. https://www.gasnose.com/gases/flammable-gases/acetylene/

28/09/2026

COMPOUND OF THE DAY
September 28, 2026

Adipic acid (C₆H₁₀O₄) is a white crystalline solid commonly used in the production of nylon and other synthetic materials. It is also used in the manufacture of plastics, coatings, and various industrial products.

References:
CAS Common Chemistry. (2026). Adipic Acid. https://commonchemistry.cas.org/results?q=adipic%20acid

Achilles Chemical. (2023). Adipic acid. https://www.achilleschem.com/adipic-acid.html

Relic Chemicals. (2024). Adipic acid. https://relicchemicals.in/adipic-acid.php

Plant Filtration and Rotary EvaporationThe Kantutay extract undergoes filtration to remove unwanted plant residues, foll...
27/09/2026

Plant Filtration and Rotary Evaporation

The Kantutay extract undergoes filtration to remove unwanted plant residues, followed by rotary evaporation to concentrate the extract. This process helps obtain crude plant extracts for further laboratory analysis.

27/09/2026

COMPOUND OF THE DAY
September 27, 2026

Urea is a natural compound produced by the body to remove excess nitrogen through urine. It also plays an important role in maintaining the body's fluid balance. Beyond the human body, urea is widely used in fertilizers, plastics, skincare products, and cosmetics, making it a valuable compound in both nature and industry.

References:
CAS Common Chemistry. (2026). Urea. American Chemical Society. https://commonchemistry.cas.org/results?q=urea

Science Insights. (2025, November 13). Where does urea come from? The urea cycle explained. https://scienceinsights.org/where-does-urea-come-from-the-urea-cycle-explained/

Total Phenolic Content and Peroxide Value AnalysisTotal Phenolic Content (TPC) evaluates the phenolic compounds in Hagun...
26/09/2026

Total Phenolic Content and Peroxide Value Analysis

Total Phenolic Content (TPC) evaluates the phenolic compounds in Hagunoy leaf extract to assess its antioxidant potential. Meanwhile, Peroxide Value (PV) measures peroxide levels in Hagonoy oil to monitor its initial oxidation and quality.


26/09/2026

COMPOUND OF THE DAY
September 26, 2026

Methylamine (CH₅N) is a colorless gas with a strong, ammonia-like odor. It is commonly used in the production of pharmaceuticals, pesticides, solvents, and other chemical compounds.

References:
CAS Common Chemistry. (2026). Methylamine. https://commonchemistry.cas.org/results?q=methylamine

LET’S FACT CHECK! | Myth or Fact?MYTH: Clouds have no weight because they float in the sky.FACT: Clouds are made of tiny...
25/09/2026

LET’S FACT CHECK! | Myth or Fact?

MYTH: Clouds have no weight because they float in the sky.

FACT: Clouds are made of tiny water droplets or ice crystals, which together can have a considerable mass.

Understanding how clouds form helps us recognize that even though clouds float in the sky, they are made up of water and ice particles that have weight.

References:
Philippine Atmospheric, Geophysical and Astronomical Services Administration. (n.d.). Clouds. https://pagasa.dost.gov.ph/learning-tools/clouds

University Corporation for Atmospheric Research. (2019). Clouds and how they form. https://scied.ucar.edu/learning-zone/clouds/how-clouds-form

25/09/2026

COMPOUND OF THE DAY
September 25, 2026

Formic Acid (CH₂O₂) is a colorless liquid with a sharp, pungent odor. It is naturally found in the venom of ants and is commonly used as a preservative, disinfectant, and in various industrial applications

References:
CAS Common Chemistry. (2026). Formic acid. https://commonchemistry.cas.org/results?q=formic%20acid

Chemtrade Asia. (2023, March 2). Formic acid. https://www.chemtradeasia.com/market-insights/formic-acid

Oxytec. (n.d.). Formic acid. https://www.oxytec.com/en/pollutants/formic-acid/

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