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Likurg_2 [28]
3 years ago
14

Red blood cells need iron. They store iron and typically contain more iron than the fluid around them does. Which action would s

how the blood cells doing active transport?
pushing iron out
bringing iron in
swelling
shrinking
Chemistry
2 answers:
iren [92.7K]3 years ago
7 0
The answer is bringing iron in !!
Basile [38]3 years ago
5 0
The correct answer is the second answer choice: bringing iron in!
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g aqueous barium hydroxide (ba(oh)2) and nitric acid (hno3) participate in a complete neutralization reaction. in the molecular
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Where the products are H2O and Ba(NO3)2

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4 0
3 years ago
What is the minimum pressure in kPa that must be applied at 25 °C to obtain pure water by reverse osmosis from water that is 0.1
Yuri [45]

Answer:

The minimum pressure should be 901.79 kPa

Explanation:

<u>Step 1: </u>Data given

Temperature = 25°C

Molarity of sodium chloride = 0.163 M

Molarity of magnesium sulfate = 0.019 M

<u>Step 2:</u> Calculate osmotic pressure

The formula for the osmotic pressure =

Π=MRT.

⇒ with M = the total molarity of all of the particles in the solution.

 ⇒ R = gas constant = 0.08206 L*atm/K*mol

⇒ T = the temperature = 25 °C = 298 K

NaCl→ Na+ + Cl-

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M = 2(0.163) + 2(0.019 M)

M = 0.364 M

Π = (0.364 M)(0.08206 atm-L/mol-K)(25 + 273 K)

Π = 8.90 atm

(8.90 atm)(101.325 kPa/atm) = 901.79 kPa

The minimum pressure should be 901.79 kPa

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3 years ago
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Andreyy89
There is two ideas about evolution.

1.) Religious
2.) Scientific

In the religious one, people believe that we were created through god.

In the scientific one, people believe that we were created from apes and that throughout time we became humans.
7 0
3 years ago
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