2 years ago

The La Brea Tar Pits are _______. (multiple choice answers in attached file)

Chemistry

2 answers:

deff fn [24]2 years ago

7 0

The answer is B

Hope this helps

Alekssandra [29.7K]2 years ago

4 0

B filled with made from mammals

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anastassius [24]

Cool kaisjwokqksosoqobsjdiwkq

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3 years ago

How many moles are in 0.0723 atoms of Iron. Fe?-

Vlada [557]

Answer:

0.012× 10⁻²³ moles of iron

Explanation:

Given data:

Number of moles of iron = ?

Number of iron atoms = 0.0723 atom

Solution:

Avogadro number:

It is the number of atoms , ions and molecules in one gram atom of element, one gram molecules of compound and one gram ions of a substance. The number 6.022 × 10²³ is called Avogadro number.

1 mole = 6.022 × 10²³ atoms

0.0723 atom × 1 mol / 6.022 × 10²³ atoms

0.012× 10⁻²³ mol

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3 years ago

Message me please haha

Pachacha [2.7K]

Answer:

hi how r u ??

and how's life ?

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2 years ago

Read 2 more answers

What happens when you decrease the pressure from 150 kPa to 50 kPa on liquid water at 100 ºC?

Tems11 [23]

D. liquid water vaporizes.

I have attached a phase diagram for water. As you can see, if kPa is 50, and the temperature is 100c. it is in the vapor phase.