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Вопрос по химии:
Вычислите массу вещества кальций ортофосфата количеством веществ 0,1 моль.-
Автор:
buster25
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Ответ: 31 г.
Объяснение:
Формула нахождения массы: m=n(кол-во в-ва)*M(молекулярная масса)
M(Ca)=40*3=120г/моль
M(P)=31*2=62г/моль
M(O2)=16*8=128г/моль
M(Ca3(PO4)2)=120+62+128=310 г/моль
m(Ca3(PO4)2)=310г/моль*0,1моль=31 г.
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Вопрос по другим предметам:
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Ответов: 2
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Вопрос по английскому языку:
I. Fill in the gaps with prepositions or adverbs:
1. … the one hand, Brazil enjoys an absolute advantage in coffee production.
2. Wants and needs refer … people’s desires.
3. Sometimes individuals and businesses must rely … other people to furnish the remaining products.
4. One nation can produce a product … a lower cost than a second nation.
5. The need … making choices arises from the problem of scarcity.
II. Ask for the underlined part. Write the complete English question:
1. Some see management as late-modern conceptualization.
2. Slave-owners through the centuries faced the problems of exploiting/motivating a dependent workforce
3. Towards the end of the 20th century, business management came to consist of six separate parts
4. More and more processes involve several categories.
5. Information technology management is responsible for management information systems.
6. Classical economists such as Adam Smith and John Stuart Mill provided a theoretical background to production, and pricing issues.
7. Many of these aspects of management existed in the slave-based sector of the US economy.
III. Fill in the gaps in the following sentences with the words from the Essential Vocabulary:
1. The __________ concept calls for heavy selling and promoting.
2. SWOT stands for strengths, weaknesses, opportunities and __________.
3. According to the definition, marketing begins and ends with the ___________.
4. At a particular stage of its life _________ a product attracts its customers.
5. The _________ side of the market is made up of sellers.
6. Buyers must have easy ___________ to information.
7. A ________ may result in laying off some employees.
8. In order to expand a business may __________ additional capital.
IV. Read the announcement about two major companies. Choose the best word to fill each space from the word below.
We are pleased to announce the (1) … between AST and Global Securities. This move brings together two major players in international finance. The combined (2) … of the new company will be in the region of $ 56 billion. Clearly, this will put us in a very strong position and will bring major benefits to our many investors. And with our new partner, we expect to see a steady increase in (3) … during the next five years. The new name of the (4) … will be AST-Global – a recognition of the contribution of both companies. Unfortunately, our (5) … to take over SemFin was rejected by the shareholders. However, have not given up and expect to make another attempt to buy up this global brand in the future.
1. a) fusion b) union c) merger d) combination
2. a) goods b) assets c) credits d) actives
3. a) liabilities b) incomings c) earning d) turnover
4. a) consortium b) mother c) branch d) subsidiary
5. a) proposition b) bid c) suggestion d) offering
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Ответов: 2
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6 лет назад
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Вопрос по английскому языку:
V. Read this information for visitors to Japan. Match the headings (1–7) with the paragraphs (a–g):
1. What to wear. 2. Business cards. 3. Eating out. 4. Greetings. 5. During and after meetings. 6. Talking to others. 7. Before a meeting.
Doing Business In Japan
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b. Always use chopsticks with your right hand. Place them on the side of a dish after you have started eating, not on the table. And never leave them standing in the rice bowl – it’s bad luck.
c. Your business card should state your name, company and position in your language and (on the back) in Japanese. Always give and receive cards with both hands. Treat other people’s cards with respect – look at them carefully before putting them away. Never write or make notes on them.
d. Send an agenda in advance and make it clear what the meeting is about. Also, send any documents – translated into Japanese. Try to find out who will attend, and check if your hosts speak English. If not, you will need an interpreter.
e. Allow time for proper introductions and small talk as a friendly atmosphere is helpful. If there is silence during the meeting, don’t worry – this is thinking time. Always take notes, and write to thank your hosts and confirm any decisions.
f. You shouldn’t use someone’s first name until you have you have met several times and know each other well. Be sure to use titles such as Mr, Ms, or -san, but never use -san when referring to yourself.
g. Japanese businessmen wear a blue or grey suit, a white or blue shirt and dark tie. Businesswomen should also wear a suit and use only a little jewellery and make-up. In summer when it’s hot and humid, it’s a good idea to pack several changes of clothes.
VI. Find the words in the text which mean:
1) a list of things that will happen or be discussed and dealt with at a meeting
2) to bend your head or the top part of your body forward and down, as a sign of respect
3) before a particular time
4) someone who organizes an event and invites the guests
5) to put your arms around somebody, especially to show that you love him/her
6) the feeling that you have when you admire or have a high opinion of somebody
7) objects made from gold, silver, and valuable stones that you wear for decoration
VII. Find the words in the text which are opposite to:
1. To miss 2. Dry 3. To relax 4. Guest 5. Hostile 6. To receive
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Ответов: 1
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6 лет назад
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Вопрос по алгебре:
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Ответов: 1
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6 лет назад
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