Chemistry Archives

Posted inin Chemistry

Equation to Determine Valence Electrons from Atomic Number: Key Insights and Challenges

Posted byby Franklin Veaux
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3 min

Is There an Equation to Calculate Valence Electrons From Atomic Number? There is no direct equation to calculate the number of valence electrons of an element solely from its atomic...

Posted inin Chemistry

Is Caffeine Stable in Orange Juice? Understanding Its Effects and Alternatives

Posted byby Franklin Veaux
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5 min

Is Caffeine Stable in Orange Juice? Caffeine remains stable when mixed with orange juice, especially if consumed promptly. Its chemical structure resists rapid breakdown in acidic or aqueous environments like...

Posted inin Chemistry

OHAUS AR2140 Balance Help: A Complete Guide to Troubleshooting and Maintenance

Posted byby Franklin Veaux
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5 min

OHAUS AR2140 Balance Help The OHAUS AR2140 balance commonly displays the error code Err 8.4 when the sample weight exceeds the balance’s capacity or when the balance is incorrectly calibrated....

Posted inin Chemistry

Does Mixing Water and Nitrogen Dioxide Create Nitric Acid? Understanding the Chemistry Behind H2O and NO2

Posted byby Franklin Veaux
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7 min

Does H2O React with NO2 to Form HNO3? The reaction of nitrogen dioxide (NO2) with water (H2O) does not produce nitric acid (HNO3) directly in a simple, single step. Instead,...

Posted inin Chemistry

Mathematics Expectations for Chemistry Majors: Key Courses and Practical Insights

Posted byby Franklin Veaux
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7 min

What Kind of Mathematics Can a Chemistry Major Expect? Chemistry majors can expect significant mathematical involvement in their studies, particularly in physical chemistry, analytical chemistry, and advanced inorganic chemistry. The...

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Accidentally Mixed Comet Powder Bleach and White Vinegar: Immediate Steps for Safety

Posted byby Franklin Veaux
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4 min

Accidentally Mixed Comet (Powder Bleach) and White Vinegar: What Should You Do? If you accidentally mix Comet powder bleach, which contains trichloroisocyanuric acid, with white vinegar, the safest immediate action...

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Scientific Glassblower Answers Chemistry Questions and Shares Expertise

Posted byby Franklin Veaux
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4 min

Scientific Glassblower here. What can I do for ya, r/chemistry? Scientific glassblowing remains a specialized craft essential to modern chemistry and scientific research. This niche art involves creating, customizing, and...

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Understanding Elements That Break the Octet Rule: Key Exceptions Explained

Posted byby Franklin Veaux
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9 min

What Elements Are Exceptions to the Octet Rule? Elements that are exceptions to the octet rule include first-shell atoms such as hydrogen, helium, lithium, and beryllium; odd-electron molecules like nitric...

Posted inin Chemistry

Diet Coke and Mentos Reaction: A Chemist’s View on Catalysis and Comparisons

Posted byby Franklin Veaux
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2 min

Diet Coke & Mentos: A Chemist’s Equivalent The reaction between Diet Coke and Mentos mirrors the chemistry behind the elephant’s toothpaste experiment. Both involve catalysts that trigger the rapid breakdown...

Posted inin Chemistry

Mystery Mixture Caused Rash and Burn: Understanding Risks and Protection Measures

Posted byby Franklin Veaux
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6 min

Mystery Mixture Caused Rash/Burn The rash or burn is caused by hydrogen peroxide, often due to its concentration or individual sensitivity. This chemical is caustic and can cause skin irritation,...