# kimchee918

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Lepton
1. ## Calculus applied to architecture?

Does calculus involve any physics problems that might relate to architecture? I've seen some calc problems about some physics-related problems but I was wondering if they involve something like shapes. Also, if you know the difference between calculus Ab and calculus BC, should I take Ab or BC (I'm going into my senior year in high school). I've already taken half of calc Ab because of my pre-calc class I'm taking right now so yeah, if you know what it's like.......
2. ## No Precipitate?

yeah, like solid, liquid, gas, and aqeous so wait, put aq after each and every ion in the product side?
3. ## No Precipitate?

Hi I have a question about dbl-displacement reactions. When you write the net ionic eq but both products are soluble, how would you write the equation? Or would there be no equation? Thanks
4. ## Need help choosing best Scientific Calculator

Don't buy the Ti-89, it'll take you at least a week to figure out the calculator. You'll actually have to read the manual.... a lot
5. ## What's it mean when something is exposed to air?

The question is in the thread. This involves chem equations like for example, FeCl2 is exposed to air. So what does that do, add O2 or what? Thanks in advance
6. ## Where's the insoluble product?

hi I'm stuck on several problems that involve writing the net ionic eq's given the reactants. Obviously, all alkali metals are soluble no-matter-what, overruling insoluble rules. So given the eq KOH + RBH2PO4, would there be no reaction? Or, what would be the correct way to write the equation? My teacher said that all eq's react, meaning there's no 'no reaction' Also, does rubidium dihydrogenphosphate = RbH2PO4? Thanks in advance.
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