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какова температура 1.6*10^-2 кг кислорода, находящегося под давлением 10^6Па и занимающего объем 1.6*10^-3. Малярная масса
Ответы 1
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Из уравнения Менделеева-Клайперона PV =mRT/M, T=PV M/mR =10^6*1,6*10^-3*32*10^-3/1,6*10^-2*8,3( М=16*2*10^-3 кг /моль)
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Автор:
danielogdk - 5 лет назад
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The capital of the United States
of America is Washington. It was
named after the first President of the
United States - George Washing- ton. It is situated on the Potomac
River in the District of Columbia. The district is а piece of land, which
does not belong to any one state but
to all the states. The district is named in honour of Christopher Со
lumbus, the discoverer of America.
Washington was founded in 1791 as the capital. It's quite а newcity.
The population of the city is nearly one million people. Washington is not
а vety large city, but it is vety important as the capital of the USA.
Washington has many historical
places. The largest and tallest is the
Capitol, where the Congress meets. It is
а vety beautiful buildingwith white marЬle
columns. There is а law in Washington
against building structures higher than
the Capitol. N ot far from the Capitol there
is the Libraty of Congress. It holds five
million books. The White House, the residence of the president is the oldest public
structure in the capital and one of the most beautiful. It was built in 1799.
It is а two storeywhite building. Not farfrom the Capitol is the Washing-ton monument, which looks like а very Ьig pencil. It is 160 metres high
and it is empty inside. А speciallift brings visitors to the top in 70 seconds,
from where they сап enjoy the view of the city. The Jefferson Memorial was built in memory of the third President
of the USA Thomas J efferson, who was also the author of the Declaration
of Independence. The Memorial is surrounded Ьу cherry trees.
The Lincoln Memorial is devoted to the memory of the sixteenth President
of the USA, the author of the Emancipation Proclamation, which
gave freedom to Negro slaves in America.
1. When was Washington, D.C. founded?
2. Where is Washington situated?
3. What state does District of Columbla belong to?
4. What are the most important places of interest in Washington?
5. What is the nickname of the Washington memorial?
6. What is the design of Lincoln memorial?
7. What is the population ofWashington?
8. Are there any specific laws about the height of the buildings in
Washington, D.C.?-
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