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What trend is there as you increase the water content of the solvent system in an SN1
reaction? Explain.
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- A. How CO2 be converted value-added products mediated by ionic liquids such as CO2 hydrogenation, HCOOH, CH4 and other hydrocarbons, HCOOCH3 and can to carbonates etc. B. What are biocompatible ionic liquids and their application in pharmaceutics?Polychlorinated biphenyls (PCBS) are a major environmen- tal problem. These oily substances have many uses, but they resist breakdown by bacterial action when spilled in the environment and, being fat-soluble, can accumulate to dangerous concentrations in the fatty tissues of fish and animals. One little-appreciated complication in controlling the problem is that there are 209 different PCBS, all now in the environment. They are generally similar, but their solu- bilities in fats differ considerably. The best measure of this is Kow, the equilibrium constant for the partition of a PCB between the fat-like solvent octanol and water. PCB(aq) = 2 PCB(octanol) An equimolar mixture of PCB-2 and PCB-11 in water is treated with an equal volume of octanol. Determine the ratio between the amounts of PCB-2 and PCB-11 in the water at equilibrium. At room temperature, Kow is 3.98 × 104 for PCB-2 and 1.26 × 10° for PCB-11.Plz explain in simple terms to understand
- I. List all the IMFS that are present in a pure sample of substance A below. The Lewis structure of a molecule is shown. H -C C-H | | H II. Draw one example of substance A acting as a H-bond donor with water. Make sure your H- bond starts and ends in the right places. If the molecule can't act as a H-bond donor, write "not possible." II. Draw one example of substance A acting as a H-bond acceptor with water. Make sure your H-bond starts and ends in the right places. If the molecule can't act as a H-bond acceptor, write "not possible." IV. List all the IMF that are present in a pure sample of substance B below. The Lewis structure of a molecule is shown. H H. C N. H H. H V. Compare substance A and substance B. Which would you expect to have the highest boiling point? Briefly explain why (in about 1 sentence). IIC- :O:Q1. Consider the following reaction: 2 KMnO4(aq) + 3 H₂SO4(aq) + 5 H₂O2(aq) Complete the table below (answers must be values with proper signs and units). A[H₂SO4)/At -0.156 mol L ¹5-1 ->> Δ[02]/ΔΙ 0.260 mol L¹ s1 K₂SO4(aq) + 2 MnSO4(aq) + 8 H₂O(1) + 5 02(aq) A[KMnO4]/At Reaction Rate -0.104 mal L'5" 0.052 MOLL'S!Which of the following statement are related to the reaction below? i. It is a process involve covalent bonds ii. Peptide bond links carbon of acid group to nitrogen of amine group iii. A typical organic molecule in this reaction are a basic amino group and an acidic carboxyl group iv. Consume water when each molecule held together by intermolecular bonds
- The H0 and S0 for the reaction N2O4 N2 + 2O2?16) HNO, H;SO,(catalyst) NH2Q1I. Define equilibrium constant of a reaction II. When one mole of pure ethanol is mixed with one mole of ethanoic acid at room temperature, the equilibrium mixture contains 2/3 of a mole each of the ethyl ethanoate and water. Calculate the equilibrium constant for the reaction
