ChemCafe — science, chemistry and physics made simple – Page 7 of 276 – Chem Cafe is a place to share and discuss new scientific research. Read about the latest advances in chemistry, physics, astronomy, biology, medicine, social science, and more. Find and submit new publications and popular science coverage of current research.

Posted inin Inorganic Chemistry

How to Draw Resonance Arrows for Nitrogen and Oxygen Structures: A Step-by-Step Guide

Posted byby Franklin Veaux
1 week ago
0 Comments
4 min

How to Draw Resonance Arrows for Structures Involving Nitrogen and Oxygen To correctly draw resonance arrows involving nitrogen and oxygen, move pi electrons from nitrogen to oxygen with arrows pointing...

Posted inin Inorganic Chemistry

Organic Chemistry: Acid-Catalyzed Oxymercuration of Alkynes Mechanism Review and Common Errors

Posted byby Franklin Veaux
1 week ago
0 Comments
6 min

Organic Chemistry: Acid-Catalyzed Oxymercuration of Alkynes The acid-catalyzed oxymercuration of alkynes proceeds through mercury coordination to the triple bond, followed by nucleophilic water attack and keto-enol tautomerization, ultimately yielding Markovnikov...

Posted inin Chemistry

Do Periodic Table Stats Apply to a Single Atom of Each Element?

Posted byby Franklin Veaux
1 week ago
0 Comments
4 min

Do Periodic Table Stats Refer to Just One Atom of an Element? The values shown on the periodic table generally refer to the properties of a single atom of each...

Posted inin Molecular

What Am I Doing Wrong in Antibody Engineering? Key Troubleshooting Tips

Posted byby Franklin Veaux
1 week ago
0 Comments
2 min

What Am I Doing Wrong? Antibody Engineering Troubleshooting Common errors in antibody engineering arise from issues with cloning templates, screening methods, and codon optimization. Identifying the precise source requires thorough...

Posted inin Chemistry

Hydrogen Peroxide for Washing Food and Vegetables: Safety, Effectiveness, and Alternatives

Posted byby Franklin Veaux
1 week ago
0 Comments
5 min

Hydrogen Peroxide for Food and Vegetable Washing Hydrogen peroxide food & vegetable washing involves using diluted food-grade H2O2 to clean produce and reduce microbial contamination. It is generally safe when...

Posted inin Chemistry

How to Set Up a Safe and Effective Homemade Chemistry Lab at Home

Posted byby Franklin Veaux
1 week ago
0 Comments
3 min

Setting Up a Homemade Chemistry Lab Establishing a homemade chemistry lab is possible if one strictly follows safety guidelines, legal requirements, and limits experiments to non-hazardous, edible, or inorganic substances....

Posted inin Chemistry

Reasons Behind the Spontaneous Combustion of Oily Rags and How to Prevent It

Posted byby Franklin Veaux
1 week ago
0 Comments
4 min

Why Do Oily Rags Spontaneously Combust? Oily rags spontaneously combust because the unsaturated oils they contain react exothermically with oxygen in the air. This oxidation generates heat rapidly, and if...

Posted inin Inorganic Chemistry

Understanding Carbocation Rearrangement: Reasons and Examples Explained

Posted byby Franklin Veaux
1 week ago
0 Comments
3 min

Why Do Carbocations Rearrange? Carbocations rearrange to achieve a lower-energy, more stable state via faster intramolecular shifts rather than slower intermolecular reactions with nucleophiles. This process balances kinetic and thermodynamic...

Posted inin Chemistry

Understanding Stoichiometry: A Guide for High School Chemistry Students

Posted byby Franklin Veaux
1 week ago
0 Comments
4 min

Understanding Stoichiometry for High School Chemistry Stoichiometry is the branch of chemistry that deals with calculating the amounts of reactants and products in chemical reactions. At its core, stoichiometry connects...

Posted inin Chemistry

Calculating the Density of a Solution with Minimal Data: Methods and Limitations

Posted byby Franklin Veaux
1 week ago
0 Comments
3 min

Is It Possible to Calculate the Density of a Solution with Very Limited Information? Yes, it is possible to estimate the density of a solution with limited information, but precise...