Chemistry Archives

Posted inin Chemistry

How to Identify Spandex and Elastane in Cotton Fabric: Techniques and Tips

Posted byby Franklin Veaux
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6 min

How to Identify Spandex / Elastane in Cotton Fabric Identifying spandex (also known as elastane) in cotton fabric primarily relies on a combination of observable tests and manufacturer information. The...

Posted inin Chemistry

Understanding Chemical Warning Words: Definitions, GHS Symbols, and Signal Word Differences

Posted byby Franklin Veaux
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5 min

Chemical Description Warning Words Explained Chemicals use specific signal words and symbols to communicate hazards, improving safety and clarity. These signal words help identify the level of hazard involved. Commonly...

Posted inin Chemistry

Olive Oil Turns Bright Green: Causes, Science, and Practical Insights

Posted byby Franklin Veaux
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8 min

Why Does Olive Oil Turn Bright Green? Olive oil turns bright green primarily due to chemical reactions involving free fatty acids and chlorophyll when exposed to heat and certain metals....

Posted inin Chemistry

Understanding hv in Photochemistry: Key Concepts and Implications for Light Absorption and Emission

Posted byby Franklin Veaux
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4 min

Understanding “hv” in Photochemistry The term hv represents the energy of a photon, combining Planck’s constant (h) and the frequency of radiation (v, the Greek letter nu). This expression quantifies...

Posted inin Chemistry

Solve Test Tube Issues: Air Bubbles, Sterilization, and Effective Alternatives

Posted byby Franklin Veaux
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3 min

Understanding and Managing Problems with Test Tubes When frustrations arise with test tubes, the main issues often revolve around air bubbles, sterilization, and maintaining suitable materials inside them. Effective handling...

Posted inin Chemistry

What Is the Chemical Formula of Drinking Water and Its Composition Variability?

Posted byby Franklin Veaux
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2 min

What Is the Chemical Formula of Drinking Water? The chemical formula of drinking water cannot be represented by a single formula, as drinking water is a mixture of many chemicals...

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Does Citric Acid Serve as an Effective Standalone Preservative?

Posted byby Franklin Veaux
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2 min

Does Citric Acid Work by Itself as a Preservative? Citric acid does exhibit some preservative effects on its own, mainly by lowering pH and chelating minerals that microbes need. However,...

Posted inin Chemistry

Writing the Chemical Formula of Bronze: Understanding Composition and Symbols

Posted byby Franklin Veaux
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5 min

Writing the Chemical Formula of Bronze Bronze does not have a fixed chemical formula since it is an alloy rather than a chemical compound. It is primarily composed of approximately...

Posted inin Chemistry

Is Sodium Percarbonate More Effective than Sodium Carbonate for Laundry Benefits?

Posted byby Franklin Veaux
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5 min

Is Sodium Percarbonate Better Than Sodium Carbonate for Laundry? Sodium percarbonate is generally better for laundry than sodium carbonate because it combines the cleaning power of sodium carbonate with the...

Posted inin Chemistry

Why All Fragrances Use Alcohol: The Role and Purpose in Perfumes and Deodorants

Posted byby Franklin Veaux
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2 min

Why Do Perfumes, Colognes, and Deodorants Contain Alcohol? Alcohol is included in perfumes, colognes, deodorants, and fragrances primarily because it acts as a solvent, carrier, and enhancer that ensures proper...