ChemCafe — science, chemistry and physics made simple – Page 5 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 Chemistry

How Accurate Are Cheap Amazon 0.01/0.001g Scales? Insights and Practical Tips

Posted byby Franklin Veaux
1 week ago
0 Comments
5 min

How Accurate Are Those Cheap Amazon 0.01/0.001g Scales? Cheap Amazon scales with 0.01g or 0.001g resolution often lack reliable accuracy and consistency, but some models, especially at the 0.001g precision...

Posted inin Molecular

Critique of Deliberate Design in Bacterial Flagellar Motor Argument

Posted byby Franklin Veaux
1 week ago
0 Comments
3 min

Critique of the Argument for Deliberate Design of the Bacterial Flagellar Motor The claim that the bacterial flagellar motor is deliberately designed is not supported by current scientific evidence and...

Posted inin Chemistry

Does Anyone Else Have a Problem with Nitrogen Forming Five Bonds?

Posted byby Franklin Veaux
1 week ago
0 Comments
2 min

Does Anyone Else Have a Problem with 5 Bonds to Nitrogen? Nitrogen rarely forms five covalent bonds; typical nitrogen bonding involves three or four bonds, with five bonds being chemically...

Posted inin Inorganic Chemistry

Determining the Correct IUPAC Name for CH3C(CH3)2CH(CH2CH3)CH2CH2CH(CH3)CH3

Posted byby Franklin Veaux
1 week ago
0 Comments
2 min

Determining the Correct IUPAC Name for CH3C(CH3)2CH(CH2CH3)CH2CH2CH(CH3)CH3 The right IUPAC name for the compound CH3C(CH3)2CH(CH2CH3)CH2CH2CH(CH3)CH3 is 3-ethyl-2,4-dimethylheptane. Structural Breakdown This compound consists of a seven-carbon main chain (heptane) with methyl...

Posted inin Inorganic Chemistry

Understanding the Functional Group of Aldehydes: Structure, Behavior, and Nomenclature Insights

Posted byby Franklin Veaux
1 week ago
0 Comments
6 min

Functional Group of Aldehydes The functional group of aldehydes is the -CHO group, consisting of a carbonyl carbon atom bonded to a hydrogen and an R group. This distinguishes aldehydes...

Posted inin Molecular

Molecular Technologist Salary and Work Hours: Insights on Career Growth and Compensation

Posted byby Franklin Veaux
1 week ago
0 Comments
7 min

Molecular Technologist Salary and Work Hours The salary for molecular technologists generally starts between $24 and $36 per hour, depending on location and experience, with typical full-time shifts around 9...

Posted inin Chemistry

Why is Solid to Liquid Phase Change Named Fusion? Insights and Perspectives

Posted byby Franklin Veaux
1 week ago
0 Comments
2 min

Why is the phase change of solid → liquid called “fusion”? The phase change from solid to liquid is called “fusion” because the term “fusion” in English historically means “melting”...

Posted inin Chemistry

Is a Vinegar Odor Normal for Concentrated Hydrogen Peroxide? Understanding the Cause and Safety Considerations

Posted byby Franklin Veaux
1 week ago
0 Comments
2 min

Is It Normal for Concentrated Hydrogen Peroxide to Smell Like White Vinegar? Concentrated hydrogen peroxide does not inherently smell like white vinegar. Any vinegar-like odor associated with it generally results...

Posted inin Chemistry

Is Potential Energy Stored in Covalent Bonds? Understanding Energy in Chemical Bonds

Posted byby Franklin Veaux
1 week ago
0 Comments
4 min

Is Potential Energy Stored in Covalent Bonds? Yes, potential energy is stored in covalent bonds; these bonds correspond to local minima in potential energy, meaning energy must be added to...

Posted inin Chemistry

Why Liquid Mercury Ingestion is Toxic: Chemical Nature, Biological Impact, and Health Risks

Posted byby Franklin Veaux
1 week ago
0 Comments
4 min

What specifically about liquid mercury makes ingestion toxic? Liquid elemental mercury itself poses a limited toxicity risk when ingested due to its chemical inactivity, poor absorption, and physical properties. The...