ChemCafe — science, chemistry and physics made simple – Page 84 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

Where to Buy Saltpeter: Top Sources for Gardening, Cooking, and More

Posted byby Franklin Veaux
3 weeks ago
0 Comments
2 min

Where Can I Buy Saltpeter? Saltpeter, or potassium nitrate, can be purchased from various sources including gardening shops, spice shops, pharmacies, online marketplaces, and even some specialized cleaning products. The...

Posted inin Chemistry

What Does It Mean to Measure to One Place of Uncertainty in Scientific Terms?

Posted byby Franklin Veaux
3 weeks ago
0 Comments
2 min

What Does It Mean to Measure to One Place of Uncertainty? Measuring to one place of uncertainty means recording a measurement with one digit beyond the smallest marked unit on...

Posted inin Chemistry

Understanding Yellow Chemistry: Impurities, Community Usage, and Broader Associations

Posted byby Franklin Veaux
3 weeks ago
0 Comments
2 min

What is “Yellow Chemistry”? “Yellow chemistry” is a humorous term used in organic chemistry to describe reaction mixtures that turn yellow, indicating the presence of impurities or unwanted by-products, which...

Posted inin Chemistry

How Well Do Water Distillers Work? Understanding Effectiveness, Maintenance, and Usage Factors

Posted byby Franklin Veaux
3 weeks ago
0 Comments
7 min

How Well Do Water Distillers Work? Water distillers effectively remove a broad range of impurities by boiling water and condensing its steam, creating highly purified water. They excel at eliminating...

Posted inin Inorganic Chemistry

Quirky NMR Questions: How to Distinguish Symmetrical Cis and Trans Alkenes in NMR Analysis

Posted byby Franklin Veaux
3 weeks ago
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3 min

Quirky NMR Questions: Distinguishing Symmetrical Cis and Trans Alkenes One elegant NMR method to differentiate symmetrical cis and trans alkenes involves examining the 13C satellites of alkene proton signals. Although...

Posted inin Chemistry

Removing Ethanol from Gasoline: Methods, Effects, and Key Considerations

Posted byby Franklin Veaux
3 weeks ago
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3 min

Removing Ethanol from Gasoline ⛽️: Facts, Methods, and Implications Removing ethanol from gasoline without proper measures affects fuel quality, octane rating, and engine safety. Ethanol acts as an anti-knock agent...

Posted inin Inorganic Chemistry

Distinguishing Between Identical Molecules and Enantiomers: Key Concepts and Visual Tools

Posted byby Franklin Veaux
3 weeks ago
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2 min

Distinguishing Between Identical Molecules and Enantiomers Two molecules cannot simultaneously be enantiomers and identical. Enantiomers are pairs of distinct molecules that are non-superimposable mirror images. Identical molecules, by contrast, are...

Posted inin Chemistry

Is a Career in Chemistry Worth It? Key Pros and Cons Explained

Posted byby Franklin Veaux
3 weeks ago
0 Comments
8 min

Is It Worth It Being a Chemist? Being a chemist is worth it primarily if you have a true passion for chemistry, are prepared for the educational demands, and embrace...

Posted inin Chemistry

Is Aluminum Gas Possible? Understanding its Boiling Point, Uses, and Challenges

Posted byby Franklin Veaux
3 weeks ago
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2 min

Is Aluminum Gas Possible? Aluminum can exist as a gas when heated to extremely high temperatures, typically above its boiling point of 2743 K (2470 °C). This state is achievable...

Posted inin Chemistry

Why Acetone Evaporates Quickly from Cuvettes: Key Factors and Laboratory Implications

Posted byby Franklin Veaux
3 weeks ago
0 Comments
4 min

Why Does Acetone Evaporate From the Cuvette So Quickly? Acetone evaporates quickly from the cuvette because its physical properties favor rapid vaporization, and mechanical disturbances disrupt the vapor layer above...