If Your Soapy Water Bubbles, You Used Too Much: Debunking a Common Chemistry Myth
If Your Soapy Water Has Bubbles, You Used Too Much: A Chemistry Fact? The idea that bubbles in soapy water mean too much soap is incorrect. Bubbles result from the...
Spinach Powder vs Spinach: Key Nutritional Differences and Practical Uses
Spinach Powder vs Spinach: Nutritional and Practical Differences Spinach powder retains most of the nutrients found in fresh spinach, especially when freeze-dried, but factors like dehydration method and storage time...
Is Diatomaceous Earth Safe? Understanding Risks and Benefits for Humans and Pets
Is Diatomaceous Earth Really Safe? Diatomaceous earth (DE) is safe when used properly but poses health risks mainly through inhalation of fine silica dust. The safety depends on the form...
Simple Ways to Differentiate Physical Properties, Chemical Properties, Physical Changes, and Chemical Changes
Simple Ways to Differentiate Physical and Chemical Properties and Changes A physical property can be observed without altering the substance, while a chemical property requires changing the substance to a...
Is 1 AMU Equal to the Mass of a Proton or Neutron? Key Facts and Differences Explained
Isn’t 1 amu the Same as the Mass of a Proton or Neutron? One atomic mass unit (amu), currently called the unified atomic mass unit (u), is not exactly the...
How a Larger Nucleus Results in a Smaller Atomic Radius
Understanding the Relationship Between Nucleus Size and Atomic Radius The atomic radius becomes smaller when the nucleus is bigger due to the increased positive charge from more protons. This stronger...
Why Is 2H2 + O2 = 2H2O Instead of 2H2O2? Explanation for Beginners
ELI5: Why Is the Reaction Written as 2H2 + O2 = 2H2O and Not 2H2O2? The reaction 2H2 + O2 = 2H2O represents the formation of water, not hydrogen peroxide,...
How We Confirm Water’s Composition of Two Hydrogen Atoms and One Oxygen Atom
How Do We Know Water Always Has 2 Hydrogen and 1 Oxygen Atom? Water is defined chemically as H2O, meaning each molecule contains two hydrogen atoms and one oxygen atom....
Understanding Phase Equilibrium and Evaporation Through Phase Diagrams
Understanding Phase Equilibrium and Evaporation in Relation to Phase Diagrams Phase equilibrium occurs only on the liquid-vapour equilibrium line of a phase diagram, where both liquid and vapour phases coexist....
Understanding the Mystery of the “p” in pH: Origins, Meanings, and Misconceptions
What Does the “p” in pH Mean? The “p” in pH stands for the negative logarithm (−log) of the hydrogen ion concentration. This meaning extends to related notations such as...