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svetoff [14.1K]
4 years ago
11

Al + Fe2O3 → Al2O3 + Fe (Need to balance equation)

Chemistry
1 answer:
andriy [413]4 years ago
6 0
20.7 g of Fe can be produced with 10.0g of Al

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Which of the following is a true statement regarding phytoplankton?
Goshia [24]

Answer:

True statement regarding phytoplankton is :

<u>They are the primary photosynthetic plants in the ocean</u>

<u></u>

Explanation:

Phytoplankton : It is made of two words :

"Phyto" means plants

"plankton" means drift .

Hence Phytoplankton  are plants that live in water .They are also known as microalgae and are similar to terrestrial plants because they also contain chlorophyll .

Most phytoplanktons are found on the surface of water so that they can get enough sunlight to prepare their food .

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<u>Hence they balance the ecosystem</u>

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a year

Explanation:

5 0
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Alborosie

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nucleuas

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6 0
3 years ago
A container of gas occupies 3.5 L at 585 mmHg. What would the new pressure be if the volume decreases to 2.0L?
kodGreya [7K]

Answer:

1023.75mmHg

Explanation:

V1 = 3.5L

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P2 = ?

To solve this question, we'll require the use of Boyle's law which states that the volume of a fixed mass of gas is inversely proportional to its pressure provided that temperature is kept constant.

Mathematically,

V = kP, k = PV

P1 × V1 = P2 × V2 = P3 × V3 = .......= Pn × Vn

P1 × V1 = P2 × V2

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P2 = (585 × 3.5) / 2.0

P2 = 2047.5 / 2.0

P2 = 1023.75mmHg

The final pressure of the gas is 1023.75mmHg

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Greater than 23mcg/dl is considered a high level of morning cortisol.

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