ChemCafe — science, chemistry and physics made simple – Page 127 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

Why Pd/C Hydrogenation Does Not Remove Carbonyl Oxygens in Organic Reactions

Posted byby Franklin Veaux
1 month ago
0 Comments
2 min

Why Doesn’t Pd/C Hydrogenation Remove Carbonyl Oxygens? Pd/C hydrogenation does not readily remove carbonyl oxygens because the polar C=O bond is resistant to reduction under standard conditions, unlike non-polar carbon-carbon...

Posted inin Molecular

The Canonical Order of Capping, Splicing, and Polyadenylation in RNA Processing

Posted byby Franklin Veaux
1 month ago
0 Comments
3 min

What is the Canonical Order of Capping, Splicing, and Polyadenylation? The canonical order of eukaryotic mRNA processing follows a defined sequence: first, the 5′ end of the nascent RNA is...

Posted inin Chemistry

Best Wash Bottles for Labs: Top Picks and Practical Considerations

Posted byby Franklin Veaux
1 month ago
0 Comments
2 min

What Are the Absolute Best Wash Bottles Money Can Buy? The absolute best wash bottles combine durability, chemical resistance, and ease of use, with top recommendations pointing to Nalgene’s Unitary...

Posted inin Chemistry

Understanding the Definition of a Solution and Its Importance in Science

Posted byby Franklin Veaux
1 month ago
0 Comments
4 min

Definition of a Solution A solution is a homogeneous mixture of two or more substances where one substance (solute) is uniformly dispersed within another (solvent) in a single phase. This...

Posted inin Chemistry

Careers for Chemistry Graduates: Pathways, Roles, and Insights

Posted byby Franklin Veaux
1 month ago
0 Comments
5 min

People with a Degree in Chemistry: What Is Your Career? Individuals holding a chemistry degree work across diverse sectors including pharmaceuticals, environmental testing, academia, regulatory affairs, and emerging industries. Analytical,...

Posted inin Chemistry

Understanding the Electron Counts in Carbon and Oxygen Atoms

Posted byby Franklin Veaux
1 month ago
0 Comments
6 min

How Do We Exactly Know One Carbon Atom Has 6 Electrons or Oxygen Has 8 Electrons? We know the exact number of electrons in atoms like carbon and oxygen primarily...

Posted inin Inorganic Chemistry

Negative Charge Movement in Resonance Structures: Understanding Electron Dynamics and Cation-Anion Differences

Posted byby Franklin Veaux
1 month ago
0 Comments
7 min

Understanding Resonance Structures: Why Does the Negative Charge Move? Resonance describes the movement of electrons within a molecule, not the literal shifting of positive or negative charges themselves. If your...

Posted inin Chemistry

Why Helium Balloons Deflate Faster at Home Than in the Office: Key Factors Explained

Posted byby Franklin Veaux
1 month ago
0 Comments
4 min

Why Do My Helium Balloons Deflate Faster in My Home Than My Work Office? Helium balloons deflate faster in your home than your work office primarily because of differences in...

Posted inin Inorganic Chemistry

What is a Node and Why Electrons Have Zero Probability at Nodes in Quantum Mechanics?

Posted byby Franklin Veaux
1 month ago
0 Comments
4 min

What Is a Node and Why Is There a Zero Probability of Finding an Electron at a Node? A node is a region around an atom’s nucleus where the electron’s...

Posted inin Chemistry

Where to Buy a Lab Coat: Top Retailers, Brands, and Key Buying Tips

Posted byby Franklin Veaux
1 month ago
0 Comments
2 min

Where Should I Buy a Lab Coat? You should buy a lab coat from reliable sources such as Amazon, university chemical stores, local safety equipment shops, or specialized PPE providers,...