Author: charlie

You should already know all of this…

Hello, my name is Charlie Arbuiso and I will be your chemistry teacher. Since I said that the first time I have taught you a lot of chemistry. …

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CuSO4 and MgSO4 Lab Conclusions

First of all, you must review the lab rubric to get points on a lab report.  Some of you miss the intro sentence on the Cover page.  It’s…

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Mole Celebration Thursday Nov 15

What should you study? This is what you should expect… Four total problems. 3 moles problems, and 1 percent comp by mass problem.   Examples… 1.  One moles problem from Liters…

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Atomic Mass vs. Molar Mass???

Questions have arisen in class about how to convert molar mass values into atomic mass values.  This came up with both of the Copper and the Magnesium hydrate…

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No School Monday

Monday is Veteran’s Day, a day to honor the Americans (and some non Americans) who have stood up to serve and protect us all.  All of us should…

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Bubble Gum, Mole, and Both Hydrate Labs

The Bubble Gum Lab is really the PERCENT COMPOSITION by MASS OF SUGAR in Bubble Gum.  It’s chemistry math, not chewing gum stuff. The formula in question here…

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Guiding vs. Controlling

As the first quarter of Regents Chemistry ends, and I take a pause to review where we are academically and socially, I decided I would write what I…

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New Mole Lab Conclusion Option

Mole Lab Conclusion Changed (if you want) You can do the conclusion as is, but I changed it for next year and I will try it out this…

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Moles and Percent Comp by Mass

Moles are central to your understanding of chemistry in the long term.  Their importance can’t be overstated. One mole is 6.02 x 1023 particles (which can be atoms, molecules…

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National Chocolate Chip Cookie Day

November 4th is right around the corner! Celebrate with friends and family.  Eat them, dunk into milk if you like, just eat them and smile. Big ones, small…

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