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2 years ago

True or false? Lymph vessels pick up a little bit of fluid that leaves your blood vessels every time you heart pumps.

Chemistry

2 answers:

vovikov84 [41]2 years ago

8 0

Answer:

True. why?

Because the fluid that is lost through the blood vessels is restored but with no central pump or heart, this device releases and collects fluid.

Arada [10]2 years ago

3 0

Answer:

Explanation:

true.

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ankoles [38]

Answer:

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2 years ago

Calculate the ionic strength of a solution of iron (iii) carbonate, fe2(co3)3 of concentration 0.020 mol dm

Ede4ka [16]

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3 years ago

Find the average speed of a person who swims 105 m in 70 s

spin [16.1K]

Answer:

v = 1.5 m/s

Explanation:

Given that,

Distance covered by a person, d = 105 m

Time taken, t = 70 s

We need to find the average speed of the person. We know that the average speed is given by :

$v=\dfrac{d}{t}\\\\v=\dfrac{105\ m}{70\ s}\\\\v=1.5\ m/s$

So, the average speed of the person is equal to 1.5 m/s.

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3 years ago

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Sholpan [36]

Answer:

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3 years ago

If a chemist has 2.3 moles of arsenic (as) that has a molar mass of 74.92 g/mol, which would be the best way to find out how man

mr Goodwill [35]

The best way to determine the number of atoms of arsenic in the sample will be to multiply 2.3 by Avagadro's number.
This is because Avagadro's number is the number of particles one mole of any substance has, and its value is 6.02 x 10²³
If the number of moles of a substance are known, then multiplying by Avagadro's number will give the number of particles. In this case, this is 1.38 x 10²⁴.

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3 years ago