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Thin layer chromatography can use silica plates which are very polar. Will polar or non polar substances have lower Rf values on this plate? ✔✔Polar substances - they will have a higher affinity... for the silica and thus will not travel as far as the non polar substances A titration of a strong acid with a strong base or vice versa has an equivalence point around what pH? ✔✔7 What type of bond is usually disrupted during denaturation of proteins? ✔✔H bond Is uracil a purine or pyrimidine? ✔✔Pyrimidine (A is a purine, so must be paired with a pyrimidine, also U replaces T, and T is a pyrimidine) Are peptide bonds highly reactive? ✔✔NO, they are very stable (T/F): Bomb calorimetery is a good way to determine bond enthalpies within a compound. ✔✔FALSE - would need a ton of info What is the approximate pKa of COOH, NH3+? ✔✔2; 9 [Show More]

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