Have you ever noticed that when you take a pot of boiling water off the heat, it stops bubbling but starts steaming profusely? The answer is technically no, because despite appearances that is not what is happening. Steam or water vapor, that is H2O in a gaseous state, is usually invisible. The visible white smoky…
Tag: chemistry
How does a double boiler work? Phases and phase transitions in the kitchen
Phases of matter and chemical mixtures Under most normal circumstances, chemical compounds exist in one of three states or phases: solid, liquid, and gas. At normal atmospheric pressure, there is a specific temperature at which a given substance will transition from one phase to another. Many substances in the kitchen which are solid at room…
It’s what plants crave
What are electrolytes and how do they work? And do plants crave them? Let’s start with… Ions An ion is an electrically charged particle, often an atom with a “missing” or “extra” electron. Molecules can be held together by ionic bonds in which oppositely charged atoms are attracted to each other by electrostatic forces. A…
