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jeka94
2 years ago
7

What does your heart do for your body?​

Chemistry
2 answers:
Makovka662 [10]2 years ago
6 0

Answer:

The heart sends blood around your body. The blood provides your body with the oxygen and nutrients it needs. It also carries away waste. Your heart is sort of like a pump, or two pumps in one.

Explanation:

:)

e-lub [12.9K]2 years ago
3 0

Answer:

The heart sends blood around your body. The blood provides your body with the oxygen and nutrients it needs. It also carries away waste. Your heart is sort of like a pump, or two pumps in one

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A force of 129,000 N is accelerating a car at 84 m/s/s<br> what’s the mass of the car?
Marianna [84]
M=f/a m=129000N/84m/s/s=1535.714286kg/m/s/s
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2 years ago
How is an alkoxide ion formed??
ahrayia [7]
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5 0
3 years ago
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Account for the difference in the shape and color of the potential maps for ammonia and the ammonium ion.
Tcecarenko [31]

Answer:

Explained below.

Explanation:

The difference between the two of them will be considered from their electrostatic potential maps.

First of all the major difference is that ammonia molecule(NH3) has a lone lone pair of electron on the N atom.

Due to the this lone pair of electron on the N - atom of ammonia, it's bond angle will be slightly lesser than that of ammonium ion.

Therefore, In the electrostatic potential map of NH3, the charge distribution will not be symmetrical for the fact that there is electron rich N atom and so the N atom will be more red than the 3 hydrogen atoms (H atoms).

Whereas, the electrostatic potential map of NH4+ (ammonium ion) will be symmetrical due to the even/symmetrical distribution of all the 4 hydrogen atoms surrounding the central Nitrogen atom.

Also, the Nitrogen atom here in ammonium ion will have a lower electron density than the Nitrogen atom that's present in ammonia molecule due to the bonding existing between the lone pair electron and the Hydrogen atom

5 0
2 years ago
At PO2 = 40 mm Hg, which statement about the saturation of either myoglobin (Mb) or hemoglobin (Hb) is true? At PO2 = 40 mm Hg,
Damm [24]

Answer:

At this partial pressure of oxygen, Mb would be almost completely saturated but Hb would not.  

Explanation:

The oxygen saturation curves for Mb and Hb are quite different. The curve for Mb is hyperbolic while that for Hb is sigmoidal.

Mb reaches oxygen saturation before Hb.

Thus, at a partial pressure of 40 mmHg, Mb is almost completely saturated but Hb is not.

4 0
3 years ago
I am timed please help
SVEN [57.7K]

Answer:

mixture

Explanation:

there was leftover components meaning there was something mixed into the liquid

7 0
3 years ago
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