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3 years ago

What activity to the Afghan people take great pride in? pottery painting kite flying rug making

Geography

1 answer:

valentinak56 [21]3 years ago

4 0

Answer:

rug making

Explanation:

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What do the numbers on the yellow lines mean on the surface area map?

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The numbers indicate the amount of air pressure, in millibars, that each line represents. These lines and numbers are necessary find out exactly where High and Low pressure systems are on the maps.

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How does the Sahara influence migration patterns in Africa?

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The result of the Boer War was _____.

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3 years ago

What is the Wt% of SiO2 in augite?<br><br> (Ca, Fe, Mg, Na)(Mg,Fe,Al) (Si,Al)2 O6

vaieri [72.5K]

Answer:

The weight% of $SiO_2$ in augite is 13.16 %.

Explanation:

Atomic mass of calcium = 40 g/mol

Atomic mass of iron = 56 g/mol

Atomic mass of magnesium = 24 g/mol

Atomic mass of sodium = 23 g/mol

Atomic mass of aluminum = 27 g/mol

Atomic mass of silicon = 28 g/mol

Atomic mass of oxygen = 16 g/mol

Mass of $SiO_2=28 g/mol+ 2\time 16 g/mol=60 g/mol$

Molar mass of the augite $(Ca, Fe, Mg, Na)(Mg,Fe,Al)(Si,Al)_2 O_6$ = M

$M=40 g/mol+2\times 56 g/mol+2\times 24 g/mol+23 g/mol+3\times 27 g/mol+2\times 28 g/mol+6\times 16 g/mol=456 g/mol$

Weight% of $SiO_2$ in augite:

$w\%=\frac{60 g/mol}{456 g/mol}\times 100=13.16\%$

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3 years ago

Which is bigger 150 million kilometers or 4.5 light years?

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after 8 light years we would see it now. (now as in 2020) So thats why 4.5

light years is more then 150 million kilometers.

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2 years ago

What activity to the Afghan people take great pride in? pottery painting kite flying rug making​

What activity to the Afghan people take great pride in? pottery painting kite flying rug making