propan-2-ol,  CH3CH(OH)CH3 Draw the molecule by placing atoms on the grid and connecting them with bonds. Include all lone pairs of electrons and any formal charges if necessary.

Draw the best Lewis structure for the linear C ion, including all lone pair electrons and non-zero formal charges.

Unshared, or lone, electron pairs play an important role in determining the chermical and physical properties of organic compounds. Thus, it is important to know which atoms carry unshared pairs. Use the structural formulas below to determine the number of unshared pairs at each designated atom. Be sure your answers are consistent with the formal charges on the formulas. The number of unshared pairs at atom a is The number of unshared pairs at atom b is HyC CH The number of unshared pairs at atom e is The number of unshared pairs at atom a is The number of unshared pairs at atom b is HC CH The number of unshared pairs at atom e is

16. Which of the following structures is the CORRECT resonance structure of the following. molecule: (A) (B) (C) (D) CH3- CH₂ CH3 -H CH₂CH3 CH₂CH-CH₂ CH3 CH3

Linoleic acid (below) is an essential fatty acid found in many vegetable oils, such as soy, peanut, and cottonseed. A key structural feature of the molecule is the cis orientation around its two double bonds, where R1 and R2 represent two different groups that form the rest of the molecule. R, CH2 `H H' (a) How many different compounds are possible, changing only the cis/trans arrangements around these two double bonds? (b) How many are possible for a similar compound with three double bonds? R3. .CH2 R4 `H H `H H'

Calculate the Enthalpy Change (ΔH) from average bond energies, which have been listed below in KJ/mol, for the following reaction and identify the nature of the reaction: CH3COOH + CH3OH → CH3COOCH3 + H2O [C‒H: 413; C‒C: 347; C=O: 745; C=C: 614; Cl‒Cl: 239, C‒O: 358; O‒H: 467]

Draw the Lewis structure of the missing reactant. Make sure to include lone pairs and non-zero formal charges.

Consider the compound with the following condensed molecular formula: CH3CHOHCH=CH₂ What is the formal charge on the carbon atoms that only have single bonds? Formal charge: + What is the formal charge on the carbon atoms that have a double bond? Formal charge: + What is the formal charge on the oxygen atom? Formal charge: + What is the formal charge on the hydrogen atoms? Formal charge:

Compute the formal charge (FC) on each atom in the following structures. (b) The hydronium ion, H3O+

The NO3 ion displays three resonance structures, one of which is shown below. 1. :O: (a) Find the formal charge on each of the atoms in the nitrate ion. (Enter your answer using the format +1 and -2.) In each resonance structure, N has a formal charge of formal charge of O 121 (b) Draw the other two resonance structures. (Copy and paste the given template as many times as necessary. Assign lone pairs, radical electrons, and atomic charges where appropriate.) Marvin JS O [1] . The O atom involved in a double bond with N has a formal charge of Edit drawing Help and each O atom with a single bond with N has a O 131 <