Author: charlie

Metallic Bonding – A short video

Watch this, it’s great, but for 2 things.  See if you catch the guy calling MANGANESE by the wrong name (twice), even though the photo shows Mn, he says something different. He talks about the fancy sub-orbitals that…

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Random Homework Assignments

I had this idea to MAKE you study the old stuff.  I will be assigning you some of these 2 page HW assignments for a grade.  You are to do them ON TIME, for points in the gradebook. …

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Bonding

  Welcome to real chemistry, finally. This is where we will learn how to put atoms together to make new pure substances, with new properties. A pure substance has a formula, like… Fe (an atom of the element…

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Trends Handout Due Monday

A trend is a pattern, a predictable and knowable next step for one concept or another.  For example, THE GROUP TREND FOR ATOMIC MASS IS INCREASING.  That means when you compare the atomic mass of elements in any…

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Go to the movies today: Just Mercy

I went to the movies with my wife on Sunday night and we saw Just Mercy, a newer movie based upon real characters in the United States (which is hard to believe, but unfortunately true). The movie stars…

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Cool Video About Mercury

Mercury is the best element, which is a qualitative measurement (no units and no numbers) but it is also true. This video shows mercury at it’s best.  Notice the coin, a Canadian quarter, so this is probably made…

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What’s A Red Herring?

Question 7 in the C of Cu Lab, I tried to purposely to confuse you with what is called a RED HERRING.   A red herring is a distraction, a shiny object to catch your attention from what is…

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C of Cu Lab

Our first thermochemistry lab, where we tried to measure the specific heat capacity constant (C) for copper (Cu). For water, C = 4.18 J/g⋅K That means it takes 4.18 Joules (units of energy, to make each gram 1…

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Thermochemistry

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Welcome to 2020 and welcome to the next cool topic (or hot, it’s just the reverse of cool). Thermochemistry involves heat (thermal-underwear keep the heat inside, the old outside).  We will figure out how much energy it takes…

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Guiding vs. Controlling

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As the first part of Regents Chemistry ends with the start of winter break and the New Year, I want to take pause to review where we are academically and socially, I decided I would write what I…

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