-proton transfer reaction can involve a positively charged substance as the source of the proton. This is the structure of protonated acetone. Consider all bonds involving hydrogen atoms, and label those that is/are polar using the partial charge notation described in chapter 2 (note that a formal charge on an atom does not necessarily denote the partial charge distribution in a bond). Then, put in the given box the label of the hydrogen atom that is most electron-poor. H₂ Ho- H₂ O: o C C H₂ H₂ H₂ Ho Most electron-poor hydrogen (H₂ or H₂?): b. A proton transfer reaction can occur from protonated acetone to water. In the box on the left, circle the atom in water that is most electron-rich. In the box on the right, use curved arrows to show the mechanism of the proton transfer reaction based on the sample proton transfer reaction shown in the textbook. Then, draw the products of the reaction (Lewis structures or line structures accepted). Do not draw the transition state. H O: H C HI H H Show curved arrows H H Draw products here

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A: The normal range for glucose control is typically defined as the mean ± 2 standard deviations.

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A: The relationship between moles and mass is Mass = Mole ×Molar mass

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Q: OH IZ CI OH OH SOCI₂ NaN 3 DMF H₂SO4 (catalytic) CHCI 3 1) LIAIH4/THF 2) H3O+ 1) LiAlH4/THF 2) H3O+

A: Carboxylic acid derivatives under nucleophilic substitution reaction

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Thermochemistry

Thermochemistry can be considered as a branch of thermodynamics that deals with the connections between warmth, work, and various types of energy, formed because of different synthetic and actual cycles. Thermochemistry describes the energy changes that occur as a result of reactions or chemical changes in a substance.    

Exergonic Reaction

The term exergonic is derived from the Greek word in which ‘ergon’ means work and exergonic means ‘work outside’. Exergonic reactions releases work energy. Exergonic reactions are different from exothermic reactions, the one that releases only heat energy during the course of the reaction. So, exothermic reaction is one type of exergonic reaction. Exergonic reaction releases work energy in different forms like heat, light or sound. For example, a glow stick releases light making that an exergonic reaction and not an exothermic reaction since no heat is released. Even endothermic reactions at very high temperature are exergonic.