【Learn Ethylene Together】Five questions per day to easily learn about ethylene 56

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【Learning Ethylene Together】Five questions per day to easily learn about ethylene. 56 26. The use of larger-diameter tubes in the final section of the radiant section of the cracking furnace is intended to reduce secondary reactions and increase the yield of ethylene. 27. During the melting process of a crystal, since the temperature remains constant, it indicates that no more heat is being absorbed at this point. 28. Generally, olefins with 10 or more carbon atoms are gases at normal temperature and pressure. 29. When feedstocks with the same number of C atoms are cracked, n-alkanes yield the highest amount of ethylene, followed by isoparaffins, and then cycloparaffins. 30. Among the hydrocarbons of the PONA groups, the C/H ratio in P-group molecules is higher than that in hydrocarbons of the O, N, and A groups with the same number of carbon atoms. 26. The use of larger-diameter tubes in the final section of the radiant section of the cracking furnace is intended to reduce secondary reactions and increase the yield of ethylene. √ 27. During the melting process of a crystal, since the temperature remains constant, it indicates that no more heat is being absorbed at this point. × 28. Generally, olefins with 10 or more carbon atoms are gases at normal temperature and pressure. × 29. When feedstocks with the same number of C atoms are cracked, n-alkanes yield the highest amount of ethylene, followed by isoparaffins, and then cycloparaffins. √ 30. Among the hydrocarbons of the PONA groups, the C/H ratio in P-group molecules is higher than that in hydrocarbons of the O, N, and A groups with the same number of carbon atoms. √