Select all substances with an acceptor atom that can hydrogen bond to a hydrogen atom that is part of a polar covalent bond. (CH3)2CHOH isopropanol HOCH,CH2OH ethylene glycol CH3CHCHCH3 trans-2-butene BrF5 bromine pentafluoride (CH3CH2)2NH diethylamine (CH3)2NH dimethylamine None Question Attempts: 0 of 1 used SUBMIT ANSWER SAVE FOR LATER
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How can i determine if a molecule has a molecular dipole, please give a detailed expression, my exam is at 3 so before then, preferably before 2. I provided an example below
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- Methyl isocyanate, CH3 -N= C = O, is used in the industrial synthesis of a type of pesticide and herbicide known as a carbamate. As a historical note, an industrial accident in Bhopal, India, in 1984 resulted in leakage of an unknown quantity of this chemical into the air. An estimated 200,000 people were exposed to its vapors, and over 2000 of these people died. Q.) Methyl isocyanate reacts with strong acids, such as sulfuric acid, to form a cation. Will this molecule undergo protonation more readily on its oxygen or nitrogen atom? In considering contributing structures to each hybrid, do not consider structures in which more than one atom has an incomplete octetWhat type of mechanisms will the following reactants undergo? (i) Propane : ………………………………………………………… (ii) 1-bromopropane : ………………………………………………… (iii)Ethane : …………………………………………………………….Determine the structures of the molecules described in the following problems. Also note, in the combustion of N containing compounds, N2(g) is made. 4. Ornithine is decarboxylated to form putrescine and carbon dioxide. Draw the reaction and using bond energies, predict the enthalpy change for this reaction. 5. Ornithine decarboxylase (the enzyme that catalyzes the reaction in problem 1) is a target for ubiquitylation. In this process, ubiquitin (a small protein) is covalent linked to the target via an “isopeptide bond” between the side chain of lysine and the c-terminus carboxyl group of glycine. Water is released in this process. Predict the enthalpy change of this reaction using bond enthalpies. 6. Often we Hess’s law to determine enthalpies of reactions we are interested in using data from reactions we know. The heat of combustion of glycyl-glycine (dipeptide) is 1972 kJ/mol. The heat of combustion of glycine is -969kJ/mol. Is this enough information to determine the enthalpy…
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