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sergij07 [2.7K]
3 years ago
15

7. From the arteries, blood flows into tiny, narrow vessels called _________________________________________.

Chemistry
2 answers:
Liula [17]3 years ago
8 0
The heart and blood vessels constitute the cardiovascular (circulatory) system. The blood circulating in this system delivers oxygen and nutrients to the tissues of the body and removes waste products from the tissues.

The blood vessels consist of

Arteries
Arterioles
Capillaries
Venules
Veins
All blood is carried in these vessels.
lora16 [44]3 years ago
5 0

Answer:

Arterioles

Explanation:

Arterioles

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How many molecules are in 12.5g of water (H2O)?
Katyanochek1 [597]

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5 0
3 years ago
Read 2 more answers
C10H22 > C8H18+C2H4 if only ethane can be sold what is the atom econmy of this process
insens350 [35]

Answer:

The atom economy of ethane in this process is 19.72 %.

What is atom economy?

The conversion efficiency of a chemical reaction in terms of all the atoms involved and the desired products produced is known as atom economy (atom efficiency/percentage).

Explanation:

C₁₀H₂₂ → C₈H₁₈ + C₂H₄

Molecular weight of C₁₀H₂₂ = 142.28

Molecular weight of C₈H₁₈ = 114.228
Molecular weight of C₂H₄ = 28.053

% Atom economy =     \frac {Molecular weight of C2H4} {Molecular weight of C10H22}

                             = \frac{28.053}{142.28}*100

                             = 19.716 %

                             ≈ 19.72 %


To know more about atom economy, click on the link

brainly.com/question/17159753

#SPJ9

5 0
1 year ago
4.4 grams of CO2 represents how many moles?
jeka57 [31]

Answer:

1) Moles of CO 2 = Given mass / Molecular mass of CO 2 = 4.4 / 44 = 0.1 mole. 2) Molecules of CO2 in 0.1 moles of CO2 = 0.1 x 6.023 x 10 23 = 6.023 x 10 22 molecules 3) 44 gram (molecular wt of CO 2) contains 2 moles atom of oxygen therefore 4.4 gram of CO2 will contain = 2 /44 *4.4 = 0.2 moles atom of Oxygen.

8 0
3 years ago
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