Compare and contrast SN1, SN2, El and E2 reactions. What are some obvious similarities and differences between each reaction pathway? What are the requirements for each reaction to work? Discuss why SN2 is in direct competition with E2 while SN1 is in direct competition with the E1 reaction pathway. What is the rate expression for each? Which reactions are concerted? Which reactions are step-wise? Which reactions are stereospecific and what is the stereospecificity of each that are? How do the variables below help influence which reaction pathway will lead to the major product formed? a. Substrate (substitution pattern and leaving group ability) b. Nucleophile/base strength (weak or strong) and size (unhindered or hindered) c. Solvent (polar-aprotic or polar-protic) d. Temperature (low/ambient temps vs. higher temps)

Using the information below, calculate AH of NH3(g) + HCI(g) NH,CI(s). N, (8) + H, (8) NH,(g) AH = -46.19 kJ/mol > H, (g) + Cl,(8) → HCl(g) AH = -92.30 kJ/mol N, (8) + 2 H, (g) +Cl,(g) NH,Cl(s) AH = –314.4 kJ/mol • Your answer should have four significant figures. Provide your answer below: kJ/mol

Please answer the following picture, thanks in advance

Do any othese electrolytes conduct electricity in the solid form? Explain NaCl Na2CO3 KNO3 NH4Cl NH3 HCl HCN

Determine the structures of the molecules described in the following problems. Also note, in the combustion of N containing compounds, N2(g)  is made.   Using your understanding of bond enthalpies, predict the enthalpy change associated with the conversion of the amino acid lysine to cadaverine (and any other by-products of the reaction). You will need to have a balanced chemical reaction to do this. Assume that the reaction occurs in the gas phase.

Q16- A group of students was a given an organic compound X with C6H12 molecular formula. X is an aliphatic organic compound. That Reacted with KMnO4 to produce brown ppt. When X is mixed with dilute sulfuric acid and gives product Y. Then they have observed a reaction between given product Y and sodium. In this reaction, they had understood that, hydrogen gas was formed in second reaction. Then, they added anhydrous ZnCl2 and concentrated HCl to check the turbidity by suspecting this Y is an alcohol. Y immediately gave a turbidity.NMR chart of Y is HOP-43-646 -Identify A and B A........... ppm B..... TO