Предмет: Химия, автор: valeria8968

Здійсніть перетворення. Назвіть одержані органічні речовини.
C2H4→C2H5OH→CH3-CОН→ CH3-CООН  →Cl-CH2-COOH→NH2-CH2-COOH

Ответы

Автор ответа: thanksforthis
7

Ответ:

C2H4+H2O=> C2H5-OH(этанол)

C2H5-OH=> CH3-CHO(этаналь) + H2

CH3CHO + 2Cu(OH)2 → CH3COOH(уксусная кислота;этановая кислота) + Cu2O + 2H2O

CH3COOH + Cl2 → CH3COOCl(Хлоруксусная кислота) + HCl

CH2COOHCl + 2NH3 → CH2NH2COOH(аминоэтановая кислота;глицин;аминоуксусная кислота) + NH4Cl

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Complete the text by putting the verbs into the correct tense (active + passive)

Cushington.
Last night Tom P. 1.______(walk) home from work when a car 2.______(hit) him. He 3._____(not see) the car coming, he said. All he can remember are the moments just after the crash. After having been hit by the car, he 4._______ (fly) through the air and 5.______(land) on the pavement. He 6.______(feel) dizzy and when he tried to stand up, he realized his legs 7._____ (be) broken. Within minutes the ambulance, that an eyewithness 8._____(call) arrived. When the paramedics got out of the car Tom P. was unconscious, but there were many helpers. The paramedics said that somebody 9.______ (hold) his leg. His wounds 10.______ (cover) and his head 11.______(put) on a pillow. Moreover a woman 12.______(take over) her jacket and had covered Tom with it.
While the paramedics 13.______ (search) for his ID, Mr. P. 14.______(wake up). He told the paramedics it 15.______ (be) a red car. He could only 16______(remember) the colour and that the car was from Bedfordshire. The paramedics 17.______(take) the young man to hospital immediately, where he 18.______(diagnose) with multiple broken bones and a mild concussion. More importantly. however, due to his injuries the patient 19.______(lose) a lot of blood. It was the help of the first-aiders that 20.______ (save) his life.
The doctor said "If he 21.______(not receive) help right away, he 22.______(die). Unfortunately many people 23.______(not know) first aid very well, so many people are not lucky as Tom.