Oracle Tutoring, Campbell River, BC
(250) 203-6544 (text) or (250) 830-0295 (talk)
Self-tutoring about the chemical composition of an agricultural lime product: the tutor makes a calculation. Dolomite, apparently, is CaMg(CO3)2. Calcite, on the other hand, is CaCO3. Moreover, the mass of magnesium (Mg) is 24, while calcium (Ca) is 40. I …
Chemistry: Agricultural lime: chemical ratio of calcite to dolomite Read more »
Self-tutoring about environmental conditions and effects: the tutor looks at snow melt rate. After much snow, we have rain today: the melt is on. Question: how much more quickly will ice melt at 5°C vs 3°C? By Newton’s Law of …
Self-tutoring about minerals and compounds: the tutor mentions talc. Talc’s formula is Mg3Si4O10(OH)2 and is mined as such. It is used in baby powder, cosmetics, and many other applications. It’s also the main ingredient of soapstone. Source: fda.gov soapstones.com
Tutoring chemistry, principles and materials are both important. The tutor mentions bone char. Bone char is charcoal that results from heating bone. Said charcoal can then be crushed to be used for filtering impurities from other products. Source: britannica.com britannica.com …
Tutoring chemistry, ancient processes are interesting. The tutor begins about smelting. Smelting is the process of turning ore into pure metal. In simple terms, ore is how it’s found naturally; the pure metal is what’s useful. Gold is exceptional in …
Tutoring chemistry, concepts are important. The tutor mentions the leveling effect. The leveling effect is used to explain why, in H2O, the strongest acid that can exist is H3O+, while the strongest base is OH–. If you imagine an acid …
Tutoring chemistry, Lewis acids and bases arise. The tutor mentions them. A Lewis acid is a species that has room, in its outer shell, for an extra pair of electrons. H+ is an example, but so is BH3. H+, having …
Tutoring chemistry, you encounter coordination compounds. The tutor begins about them. A coordination compound is a species consisting of a central metal surrounded by nonmetals. The surrounding nonmetals are often the same, and can be ions, polyatomic ions, or simply …
Self-tutoring about household chemistry: the tutor mentions a reaction. Pretty commonly, people know that when you mix baking soda (aka sodium bicarbonate aka NaHCO3) with an acid such as lemon juice or vinegar, you get lots of bubbles because they …
Self-tutoring about chemistry: the tutor mentions nuclide. A nuclide is more specific than an atom – it’s closer to the idea of an isotope. An atom is identified by its number of protons, aka its atomic number. Yet, the type …