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【Learning about Ethylene Together】Five questions per day to easily learn about ethylene. 09 41. During the initial heating up of the cracking furnace, the heating rate should be less than ( ); during subsequent operation, the heating rate should also be less than ( ). 42. The indicator for the oxygen content in the flue gas of the cracking furnace is ( ), while the indicator for negative pressure is ( ). 43. In redox reactions, the substance that loses electrons is called ( ), and the substance that gains electrons is called ( ). 44. The cracking depth function KSF is a function of ( ) and ( ), and its expression is ( ). 45. The equation of state for an ideal gas is ( ). 41. During the initial heating up of the cracking furnace, the heating rate should be less than ( ); during subsequent operation, the heating rate should also be less than ( ). 30℃/h 100℃/h 42. The oxygen content index in the flue gas of the pyrolysis furnace is ( ), while the negative pressure index is ( ). 2–3% 1.2–-2.5 mmH2O 43. In redox reactions, the substance that loses electrons is called ( ), while the substance that gains electrons is called ( ). Reducing agent, oxidizing agent. 44. The cracking depth function KSF is a function of ( ) and ( ), and its expression is ( ). Pyrolysis temperature, residence time, KSF=TQ 45. The equation of state for an ideal gas is ( ). PV=nRT
41. During the initial heating up of the cracking furnace, the heating rate should be less than (30°C/h); during subsequent operation, the heating rate should be less than (100°C/h). 42. The indicator for oxygen content in the flue gas of the cracking furnace is (reductant), while the indicator for negative pressure is (oxidant). 43. In redox reactions, the substance that loses electrons is called a (reducing agent), while the substance that gains electrons is called an (oxidizing agent). 44. The cracking depth function KSF is a function of (cracking temperature) and (residence time), and its expression is (KSF = TQ). 45. The equation of state for an ideal gas is (PV=nRT).
41. During the initial heating up of the cracking furnace, the heating rate should be less than (30°C/h); during subsequent operation, the heating rate should be less than (100°C/h). 42. The indicator for oxygen content in the flue gas of the cracking furnace is (reductant), while the indicator for negative pressure is (oxidant). 43. In redox reactions, the substance that loses electrons is called a (reducing agent), while the substance that gains electrons is called an (oxidizing agent). 44. The cracking depth function KSF is a function of (cracking temperature) and (residence time), and its expression is (KSF = TQ). 45. The equation of state for an ideal gas is (PV=nRT)
41. During the initial heating up of the cracking furnace, the heating rate should be less than (30°C/h); during subsequent operation, the heating rate should be less than (100°C/h). 42. The indicator for oxygen content in the flue gas of the cracking furnace is (reductant), while the indicator for negative pressure is (oxidant). 43. In redox reactions, the substance that loses electrons is called a (reducing agent), while the substance that gains electrons is called an (oxidizing agent). 44. The cracking depth function KSF is a function of (cracking temperature) and (residence time), and its expression is (KSF = TQ). 45. The equation of state for an ideal gas is (PV=nRT)
41. During the initial heating up of the cracking furnace, the heating rate should be less than (30°C/h); during subsequent operation, the heating rate should be less than (100°C/h). 42. The indicator for oxygen content in the flue gas of the cracking furnace is (reductant), while the indicator for negative pressure is (oxidant). 43. In redox reactions, the substance that loses electrons is called a (reducing agent), while the substance that gains electrons is called an (oxidizing agent). 44. The cracking depth function KSF is a function of (cracking temperature) and (residence time), and its expression is (KSF = TQ). 45. The equation of state for an ideal gas is (PV=nRT)
41. During the initial heating up of the cracking furnace, the heating rate should be less than (30°C/h); during subsequent operation, the heating rate should be less than (100°C/h). 42. The indicator for oxygen content in the flue gas of the cracking furnace is (reductant), while the indicator for negative pressure is (oxidant). 43. In redox reactions, the substance that loses electrons is called a (reducing agent), while the substance that gains electrons is called an (oxidizing agent). 44. The cracking depth function KSF is a function of (cracking temperature) and (residence time), and its expression is (KSF = TQ). 45. The equation of state for an ideal gas is (PV=nRT)