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- Calculate the heat of hydrogenation of ethane, C2H421.) Calculate the enthalpy of hydrogenation of benzene to cyclohexane from the following reactions A,H (kJ/mol) C6H6 (1) + 15/2 02 (g) → 6 CO2 (g) + 3 H20 (1) C6H12 (1) + 9 02 (g) → 6 CO2 (g) + 6 H20 (1) H2 (g) + ½ 02 (g) → H2O (1) -3268 -3920 -285.83 a.) -205 kJ/mol b.) -1507 kJ/mol c.) -938 kJ/mol d.) -366 kJ/molWhen 5-isopropyl-2,3,4,7-tetramethyloctane undergoes complete combustion in the presence of oxygen gas and heat, which of the following substances is/are formed as product/s? Select one or more: Solid carbon Hydrogen gas Water Carbon dioxide Carbon monoxide
- What is the product (name and stable structure) formed from the reaction:CH3CH2C≡CCH2CH3 + H2O (H2SO4 as catalyst) →(a) Explain how bio-ethanol is produced?The heat of combustion of 2-methylheptane, C8H18, is 5464 kJ/mol. How much energy is released during the complete combustion of 399 grams of 2-methylheptane ? a) 19,100 kJ b) 21,800 kJ c) 16,200 kJ d) 20,100 kJ
- What are the products formed when the hydrocarbon pentane (C5H12) undergoes complete combustion?O2 can oxidize 4-tert-butylcatechol, and gives the structure of the oxidized product. How many carbon and oxygen atoms (total) of 4-tert-butylcatechol are actually etting oxidized? Please explain how!Is isomerization of cis and trans -4-methyl-2-pentene possible at room temperature? Explain why
- 4) Draw (skeletal) and name the product(s) of the following reactions. If there is a major product, label it as such. If the reaction cannot happen, indicate this. Hydration of cis-2-butene H₂SO,/H₂OCH3COOH + 2H2 = C2H5OH + H2O %3D Acetate Ethanol Acetate may be hydrogenated to ethanol in industrial reaction systems using several catalysts: Select the most effective catalyst for this reaction system if the free energy of the reaction is -34 kJ/mol; Catalist effective at the temperature range 37-45°C, O Catalist effective at the temperature range 40-55°C, O Catalist effective at the temperature range 60-72°C,Write a balanced chemical equation that shows the formation of cyclohexane from the elements carbon (C) and hydrogen (H2 ).