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Записать все возможные (если несколько) уравнение реакции аминоуксусной кислоты с гидроксидом натрия. Дать веществам названия
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Предмет:
Химия -
Автор:
braylonweber - 5 лет назад
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Ответы 2
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а названия
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Автор:
charlie2 - 5 лет назад
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0
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только одна:NH2CH2COOH + NaOH ---- NH2CH2COONa + H2Oаминоуксусная к-та, гидроксид натрия, вода, натриевая соль аминоуксусной к-ты
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Автор:
albinawhite - 5 лет назад
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Еще вопросы
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Exercise 4.
Junk, a heart-disease, metabolism, portions, productively, digestion, to overeat
In this fast-moving world it is necessary to watch what we eat – it should be healthy food, not (1) _____ one, which has become very popular. Eating too much junk food can cause overweight and (2)_____. For example, it is much better to eat an apple or a banana than to eat a double hamburger with ketchup and mayonnaise. You will feel full in both cases, but a fruit or a vegetable is healthier.
Be sure to have breakfast every morning. For breakfast is the most important meal for our (3) _______. People who regularly eat in the morning are less likely (4) ______ at night. Proper breakfast gives you energy and helps to think and to work (5) ______. People deprived the first meal are under stress and their body begin to use the energy received during lunch and dinner to create fat reserves.
Eat 4-5 times a day in small (6) ______ at the same time. Do not miss a single meal. Thus, you will provide a high rate of metabolic processes and good work of the digestive system. However, late in the evening give your body the opportunity to rest. The (7) _______ process is also a job
Exercise 5.
Change the direct speech into reported speech.
“My parents are arriving tomorrow”, she said.
“We visited her this morning” they said.
“We’ll see her next summer” they said.
“They were here three months ago”, he said.
“I’m meeting them at four o’clock today”, he said.
“I can see you tomorrow”, she said.
“They had never been to Scotland until last year”, he said.
“Make sure you arrive early!”, she said.
“I should have studied harder for the exam”, he said.
“Would you mind telling me how to get to the art gallery, please?”, the girl asked.
Exercise 6.
Complete the questions in reported speech.
"Where is my umbrella?" she asked.
"How are you?" Martin asked us.
He asked, "Do I have to do it?"
"Where have you been?" the mother asked her daughter.
"Which dress do you like best?" she asked her boyfriend.
"What are they doing?" she asked.
"Are you going to the cinema?" he asked me.
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Предмет:
Английский язык -
Автор:
frosty34 - 5 лет назад
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Ответов:
1 -
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Exercise 7.
Fill in the gaps with one of the phrases:
Require, rarely, weather, a helmet, take place, equipment
Extreme sports are nontraditional sports and activities that (1) ______ participants to combine athletic skill with pronounced risk.
An extreme sport is a popular term for certain activities which have a high level of danger. These activities often involve speed, height, a high level of physical training. We can call many kinds of sports extreme ones. Extreme sports are (2) ______ sanctioned by schools.
Usually athletes don't have a coach or may hire him later. People in extreme sports complete not only against each other, but also against (3) _______ and difficulties and conditions of exact kind of extreme sport.
There are many extreme sports that (4) _______ in air, land, and water. For example there are some of them: ski jumping, sky diving,sky surfing, sky flying, indoor climbing, BMX (bicycle motocross), mountain biking, mountain boarding, skateboarding, snowboarding, powerboat racing, surfing, whitewater kayaking, windsurfing. All these sports need to have special (5) _______ and glasses.
For surfing we need a surfboard and swimming kits. For snowboarding we need a snowboard and special boots to fix them on the board and a suit and also sunglasses that help to look at the snow and (6) ______. For BMX sport you need a special not high bike with small wheels. Sportsmen can dress fashionably, usually in shorts and a T-shirt, trainers, if they want they wear a cap.
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Предмет:
Английский язык -
Автор:
moreno - 5 лет назад
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Ответов:
3 -
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Прочитайте чертеж выбранной вами детали ( в данном случае это первый рисунок под галочкой) и постройте ее изометрическую проекцию.
Справка
1.Изометрические проекции окружностей - эллипсы ,которые для удобства построения заменяются овалами .
2.При выполнение аксонометрических проекций линии построений приводятся параллельно аксонометрическим осям.
Помогите пожалуйста , наглядно как это задание решить .
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Предмет:
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Автор:
robert - 5 лет назад
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3х*3у^3///////////////////////////////////////////////////////////////////////////
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Предмет:
Математика -
Автор:
jayleeqhdo - 5 лет назад
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Ответов:
1 -
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