Come here often and see all the crazy things that I have been upto!

Archive for the ‘Chemistry Class’ Category

Thank You Mrs. Cule!

Learning is alright I guess, especially when you’re in a school named LEARN, but one thing  can take that learning experience and transform it into an all-around good experience. That is the teacher, and Mrs. Cule, you have delivered exceptionally well on this point. And on every aspect, I might add; not only do you turn a boring web classroom fun, but you teach clearly, dynamically, and are helpful even beyond my expectations. I feel like I have not only a teacher that gives up time and energy for us, her students, but also becomes our friend. After all, I wouldn’t be writing all this for a teacher I hardly knew…

I’m searching my mind for things that you could improve upon for next year, but I really can’t think of any whatsoever. Maybe you could come up with a creative way to judge how prepared we are for exams beforehand (like the google docs “quizzes”), and provide more alternatives to be better prepared, like say extra problems. But I get it, we don’t like doing homework, and I think you have balanced the workload quite well as it is.

Here’s a bit of advice for next year’s students, and I’ll name each of them from Cedar here. Jessica, Amanda, Javiera, Nicole, Michael, and everyone else; you have many challenges coming up in Sec V, juggling three heavy classes without having a teacher on-site to help you. But you will have some of the best teachers teaching you, their amazing helpfulness will more than make up for this shortcoming. Depend on them, stay on top of the homework, and most importantly don’t stress about it. What I’ve learned is that difficulties will come whether you stress or not, so put that energy to good use in order to be prepared in advance for whatever might come your way.

I think I’ll cut my flow of feelings and information off right here, with only one more thing to say… Thank you Mrs. Cule! I’ll miss you!

–Patrick R.

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Summary and Purpose of the Kc Constant

At a given temperature, a certain equilibrium reaction will always have the same ratio of products and reactants, and return to that ratio should the concentrations change. This happens by either more of the reactants reacting into products, or the products breaking down into reactants. This ratio is normally called Kc, and can be found by taking the concentration of each of the reactants or products and raising it to the power of the number of moles of that chemical. Then, set Kc equal to the concentration of the products raised to the power of moles, and multiplied by each other, divided by the reactants raised to the power of moles and multiplied by each other. Like so:

calculating kc

Given the Kc, this equation can also be used to find some of the concentrations.

The Haber Process: A Comprehensive Outline

This is my “mind-map” of the history and properties of the Haber Process, amazingly laid out in CmapTools. For anyone who does not know what that program is, it allows you to make just this, beautiful, colourful, lovely visual outlines of complex information, making it easy to follow and understand. I actually heard about this software from my dad, who is using it for his degree in education, and I love it! It allows me to take all of the amazing, wonderful thoughts flying through my brain, and write them all down in an intuitive, logical, and quick way. Because you know, there are so many wonderful thoughts in my head that would have remained unspoken (ermm, unwritten) had it not been for this. Oh, and… its free!