Lin Sends Away for a Hot-Cold Serving Tray She Has

question 152

Essay

Lin sends away for a hot-cold serving tray she has seen advertised. The tray is promised to keep hot dishes hot and cold dishes cold without electricity. Lin tries it out by placing a pan of hot beans on it. They stay hot throughout dinner. "It works," she tells her husband.
What kind of causal claim is this?

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Definitions:

Octet Rule

A chemical rule of thumb that reflects the observation that atoms of main-group elements tend to bond in such a way that each atom has eight electrons in its valence shell.

Lewis Dot Structure

A diagram that represents the valence electrons of atoms within a molecule, showing the bonding between atoms as well as lone pairs of electrons.

He

Helium, a colorless, odorless, tasteless, non-toxic, inert, monatomic gas that heads the noble gas series in the periodic table.

Lewis Dot Structure

A graphical representation of the valence electrons of atoms, indicating how the electrons are shared or paired between atoms in a molecule.