Предмет: Химия, автор: 321НаЗдЯ123

Химия 9 класс..
Закончите возможные уравнения, расставьте коэффициенты:

HCl + CuO =

HCl + Ba(OH)2=

HCl + Ag =

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Автор ответа: dpdpoflf
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Переведите текст.
Money
The main feature of money is its acceptance as the means of payment or medium of exchange. Nevertheless, money has other functions. It is a standard of value, a unit of account, a store of value and a standard of deferred payment.
Money, as the medium of exchange, is used in one half of almost all exchange. Workers work for money. We accept money not to consume it directly but because it can subsequently be used to buy things we wish to consume. Money is the medium through which people exchange goods and services.
In barter economy there is no medium of exchange. Goods are traded directly or swapped for other goods. In barter economy the seller and the buyer must want something the other has to offer. Each person is simultaneously a seller and a buyer. There is a double coincidence of wants.
Trading is very expensive in barter economy. People must spend a lot of time and effort finding others with whom they can make mutually satisfactory swaps. Since time and effort are scarce resources, barter economy is wasteful.
Money is generally accepted in payment for goods, services and debts. It makes the trading process simpler and more efficient.
Money can also serve as a standard of value. Society considers it convenient to use a monetary unit to determine relative costs of different goods and services.
To be accepted in exchange, money has to be a store of value. Money is a store of value because it can be used to make purchases in the future.
Houses, stamp collections and interest-bearing bank accounts serve as stores of value. Since money pays no interest and its real purchasing power is eroded by inflation, there are better ways to store value.
Finally, money serves as a standard of deferred payment or a unit of account. When you borrow, the amount to be repaid next year is measured in money value.


Найдите в тексте ответы на следующие вопросы:

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2) What are the functions of money?
3) What is barter economy?
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